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Racial diversity in Arizona

  • Oct 7, 2015
  • Oct 7, 2015 Updated Oct 7, 2015

It’s been predicted that by 2050, the vast majority of Americans will be multiracial.

Racial diversity in Arizona

It’s been predicted that by 2050, the vast majority of Americans will be multiracial. In 2000, the U.S. Census Bureau reported that 6.8 million people identified as more than one race. That figure had increased to nearly 32% — 9 million — in 2010.

In some cities, this evolution may take some time, as many communities tend to self-segregate—even if they don’t mean to. But in others, the racial and ethnic makeup of the city that may have defined it a mere 30 years ago has completely changed, and will continue to do so.

Using historical data from The National Historical Geographic Information System (NHGIS) and the United States Census, MooseRoots created a “Diversity Index” to see which cities in America have become the most racially diverse from 1970 to 2010.

To do so, they took the four race classifications from the census: White, Black or African-American, American Indian and Alaska Native, Asian and Pacific Islander, and Other Race. They didn’t include multi-racial individuals because the census only began tracking multi-racial demographics in 2000. MooseRoots deemed the most diverse places those where racial makeup approached an even distribution between the four classifications.



Changing Demographics

In 1870, nearly 100% of people living in Arizona identified themselves as white. This state went from being almost entirely white in 1870 to having a sizable non-white population of 22% by 2010. One reason for this is the growth of the Native American population, which now comprises 4% of the population.

By 2010, the proportion of people who identified as non-white in Arizona was roughly 81 times larger than it was in 1870.



Growing Hispanic Population

The Hispanic population in Arizona grew from 15% in 1970 to 29% in 2010.

The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Arizona's foreign-born population was roughly 150 times larger than it was in 1870, surging from 5,809 people in 1870 to 868,819 people in 2010. However, the percentage of the foreign born population decreased from 60% to 14%.

Note: Data is not available for 1960.

10. Yuma County

10. Yuma County

Yuma County became 37.1 percent more diverse since 1970.



Changing Demographics

In 1870, nearly 100% of people living in Yuma County identified themselves as white. This county went from being almost entirely white in 1870 to having a sizable non-white population of 25% by 2010. One reason for this is the growth of the African American population, which now comprises 2% of the population.

By 2010, the proportion of people who identified as non-white in Yuma County was roughly 196 times larger than it was in 1870.



Growing Hispanic Population

The Hispanic population in Yuma County grew from 23% in 1970 to 58% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Yuma County's foreign-born population was roughly 48 times larger than it was in 1870, surging from 1,002 people in 1870 to 48,134 people in 2010. However, the percentage of the foreign born population decreased from 62% to 25%.

Data unavailable for 1960

9. Maricopa County

9. Maricopa County

Maricopa County became 50.5% more diverse since 1970.



Changing Demographics

In 1880, nearly 100% of people living in Maricopa County identified themselves as white. This county went from being almost entirely white in 1880 to having a sizable non-white population of 20% by 2010. One reason for this is the growth of the African American population, which now comprises 5% of the population.

By 2010, the proportion of people who identified as non-white in Maricopa County was roughly 109 times larger than it was in 1880.



Growing Hispanic Population

The Hispanic population in Maricopa County grew from 12% in 1970 to 29% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Maricopa County's foreign-born population was roughly 258 times larger than it was in 1880, surging from 2,247 people in 1880 to 579,136 people in 2010. However, the percentage of the foreign born population decreased from 39% to 15%.

Data for 1960 is unavailable.

8. Pima County

8. Pima County

Pima County became 51.0% more diverse since 1970.



Changing Demographics

In 1870, nearly 100% of people living in Pima County identified themselves as white. This county went from being almost entirely white in 1870 to having a sizable non-white population of 24% by 2010. One reason for this is the growth of the African American population, which now comprises 3% of the population.

By 2010, the proportion of people who identified as non-white in Pima County was roughly 116 times larger than it was in 1870.



Growing Hispanic Population

The Hispanic population in Pima County grew from 18% in 1970 to 34% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Pima County's foreign-born population was roughly 33 times larger than it was in 1870, surging from 3,816 people in 1870 to 126,681 people in 2010. However, the percentage of the foreign born population decreased from 67% to 13%.

Data for 1960 is unavailable.

7. Apache County

7. Apache County

Apache County became 53.3 percent more diverse since 1970.



Changing Demographics

In 1880, nearly 100% of people living in Apache County identified themselves as white. This county went from being almost entirely white in 1880 to having a sizable non-white population of 76% by 2010. One reason for this is the growth of the Native American population, which now comprises 73% of the population.

By 2010, the proportion of people who identified as non-white in Apache County was roughly 646 times larger than it was in 1880.



Steady Hispanic Population

The Hispanic population in Apache County did not change much relative to the U.S. between 1970 and 2010, shifting from 3% to around 6%.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Apache County's foreign-born population had grown by 46% since 1880, expanding from 809 people in 1880 to 1,184 people in 2010. However, the percentage of the foreign born population decreased from 15% to 2%.

Data for 1960 unavailable.

6. Greenlee County

6. Greenlee County

Greenlee County became 61.0 percent more diverse since 1970.



Changing Demographics

In 1920, 99% of people living in Greenlee County identified themselves as white. This county went from being almost entirely white in 1920 to having a sizable non-white population of 17% by 2010. One reason for this is the growth of the Native American population, which now comprises 3% of the population.

By 2010, the proportion of people who identified as non-white in Greenlee County was roughly 19 times larger than it was in 1920.



Steady Hispanic Population

The Hispanic population in Greenlee County did not change much relative to the U.S. between 1970 and 2010, shifting from 47% to around 46%.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Greenlee County's foreign-born population was roughly 16 times smaller than it was in 1920, falling from 6,310 people in 1920 to 386 people in 2010. The percentage of the foreign born population also decreased, from 41% to 4%.

Data for 1960 is unavailable.

5. Navajo County

5. Navajo County

Navajo County became 62.0% more diverse since 1970.



Changing Demographics

In 1900, 62% of people living in Navajo County identified themselves as non-white. That percentage decreased somewhat to 52% by 2010.

By 2010, the proportion of people who identified as white in Navajo County was roughly 27% larger than it was in 1900.



Steady Hispanic Population

The Hispanic population in Navajo County did not change much relative to the U.S. between 1970 and 2010, shifting from 6% to around 10%.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Navajo County's foreign-born population was roughly 11 times larger than it was in 1900, surging from 302 people in 1900 to 3,242 people in 2010. However, the percentage of the foreign born population decreased from 3% to 3%.

Note: Data is not available for 1960.

4. Santa Cruz County

4. Santa Cruz County

Santa Cruz County became 63.0% more diverse since 1970.



Changing Demographics

In 1900, 99% of people living in Santa Cruz County identified themselves as white. This county went from being almost entirely white in 1900 to having a sizable non-white population of 26% by 2010. One reason for this is the growth of the Native American population, which now comprises 1% of the population.

By 2010, the proportion of people who identified as non-white in Santa Cruz County was roughly 20 times larger than it was in 1900.



Growing Hispanic Population

The Hispanic population in Santa Cruz County grew from 73% in 1970 to 82% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Santa Cruz County's foreign-born population was roughly 7 times larger than it was in 1900, surging from 2,158 people in 1900 to 15,839 people in 2010. However, the percentage of the foreign born population decreased from 47% to 34%.

Note: Data is not available for 1960.

3. Gila County

3. Gila County

Gila County became 74.7 percent more diverse since 1970.



Consistent Demographics

In 1890, 84% of people living in Gila County identified themselves as white. That percentage decreased slightly to 78% by 2010.

By 2010, the proportion of people who identified as non-white in Gila County was roughly 38% larger than it was in 1890.



Steady Hispanic Population

The Hispanic population in Gila County did not change much relative to the U.S. between 1970 and 2010, shifting from 21% to around 18%.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Gila County's foreign-born population was roughly 6 times larger than it was in 1890, surging from 337 people in 1890 to 1,960 people in 2010. However, the percentage of the foreign born population decreased from 17% to 4%.

Note: Data is not available for 1960.

2. Mohave County

2. Mohave County

Mohave County became 95.7% more diverse since 1970.



Consistent Demographics

In 1870, 98% of people living in Mohave County identified themselves as white. That percentage decreased slightly to 90% by 2010.

By 2010, the proportion of people who identified as non-white in Mohave County was roughly 4 times larger than it was in 1870.



Growing Hispanic Population

The Hispanic population in Mohave County grew from 3% in 1970 to 14% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Mohave County's foreign-born population was roughly 236 times larger than it was in 1870, surging from 57 people in 1870 to 13,475 people in 2010. However, the percentage of the foreign born population decreased from 32% to 7%.

Note: Data is not available for 1960.

1. Yavapai County

1. Yavapai County

Yavapai County became 102.5% more diverse since 1970.



Consistent Demographics

In 1870, nearly 100% of people living in Yavapai County identified themselves as white. That percentage decreased slightly to 91% by 2010.

By 2010, the proportion of people who identified as non-white in Yavapai County was roughly 25 times larger than it was in 1870.



Growing Hispanic Population

The Hispanic population in Yavapai County grew from 6% in 1970 to 13% in 2010.

Data is not available for counties in 2000. The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, Yavapai County's foreign-born population was roughly 16 times larger than it was in 1870, surging from 934 people in 1870 to 14,523 people in 2010. However, the percentage of the foreign born population decreased from 44% to 7%.

Note: Data is not available for 1960.

Racial diversity in the United States



Consistent Demographics

In 1790, 81% of people living in the United States identified themselves as white. That percentage decreased slightly to 74% by 2010.

By 2010, the proportion of people who identified as non-white in the United States was roughly 35% larger than it was in 1790.



Growing Hispanic Population

The Hispanic Population in the United States has been steadily growing, increasing from 4% in 1970 to around 16% by 2010.

The Census Bureau defines 'Hispanic or Latino' as someone who classified his or herself as Cuban, Mexican, or Puerto Rican, or someone whose origins are from Spain, the Spanish-speaking countries of South or Central America, or the Dominican Republic. This classification is independent from the person's race.



By 2010, the United States's foreign-born population was roughly 18 times larger than it was in 1850, surging from 2,210,839 people in 1850 to 39,784,305 people in 2010. The percentage of the foreign born population also increased, from 11% to 13%.

Note: Data is not available for 1960.

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