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Ada County, Idaho's estimated population is 496,128 with a growth rate of 2.71% in the past year according to the most recent United States census data. Ada County, Idaho is the largest county in Idaho.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2020 | 496,128 | 13,081 | 2.71% |
| 2019 | 483,047 | 13,081 | 2.78% |
| 2018 | 469,966 | 13,081 | 2.86% |
| 2017 | 456,885 | 12,061 | 2.71% |
| 2016 | 444,824 | 11,777 | 2.72% |
| 2015 | 433,047 | 7,507 | 1.76% |
| 2014 | 425,540 | 9,460 | 2.27% |
| 2013 | 416,080 | 7,150 | 1.75% |
| 2012 | 408,930 | 7,695 | 1.92% |
| 2011 | 401,235 | 7,885 | 2.00% |
| 2010 | 393,350 | 187,575 | 91.16% |
| 1990 | 205,775 | 32,739 | 18.92% |
| 1980 | 173,036 | 60,806 | 54.18% |
| 1970 | 112,230 | 18,770 | 20.08% |
| 1960 | 93,460 | 22,811 | 32.29% |
| 1950 | 70,649 | 20,248 | 40.17% |
| 1940 | 50,401 | 12,476 | 32.90% |
| 1930 | 37,925 | 2,712 | 7.70% |
| 1920 | 35,213 | 6,125 | 21.06% |
| 1910 | 29,088 | 17,529 | 151.65% |
| 1900 | 11,559 | 3,191 | 38.13% |
| 1890 | 8,368 | 3,694 | 79.03% |
| 1880 | 4,674 | 1,999 | 74.73% |
| 1870 | 2,675 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 404,644 | 90.72% |
| Two or More Races | 13,370 | 3.00% |
| Asian | 11,956 | 2.68% |
| Some Other Race | 6,445 | 1.44% |
| Black or African American | 6,204 | 1.39% |
| American Indian and Alaska Native | 2,525 | 0.57% |
| Native Hawaiian and Other Pacific Islander | 908 | 0.20% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 168,741 | 2.59 | 68.4 |
| Married | 85,840 | 3.28 | 83.2 |
| Non Family | 62,023 | 1.32 | 52.9 |
| Female | 13,995 | 3.54 | 48.9 |
| Male | 6,883 | 3.55 | 62.1 |
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 4,231 | 1.42% |
| 9th to 12th Grade | 10,266 | 3.44% |
| High School Graduate | 68,554 | 22.98% |
| Some College | 74,352 | 24.93% |
| Associates Degree | 28,243 | 9.47% |
| Bachelors Degree | 75,370 | 25.27% |
| Graduate Degree | 37,270 | 12.49% |
| Name | Total | High School | Bachelors |
|---|---|---|---|
| White | 261,755 | 252,120 | 101,636 |
| Hispanic | 18,811 | 15,626 | 3,545 |
| Asian | 8,164 | 7,150 | 4,000 |
| Multiple Races | 5,569 | 5,297 | 2,322 |
| Other Race | 4,228 | 3,191 | 537 |
| Black | 2,989 | 2,585 | 825 |
| Native American | 1,740 | 1,605 | 239 |
| Islander | 685 | 685 | 310 |
The highest rate of high school graduation is among islander people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 49.00%.
$40,266
Average Earnings
$49,047
Average Male
$32,420
Average Female
91.50% of Ada County, Idaho residents speak only English, while 8.50% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.04% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 372,538 | 36,297 | 9.74% |
| Hispanic | 34,175 | 6,277 | 18.37% |
| Black | 5,951 | 2,133 | 35.84% |
| Multiple | 13,175 | 1,966 | 14.92% |
| Asian | 11,834 | 1,539 | 13.00% |
| Other | 6,258 | 972 | 15.53% |
| Islander | 873 | 331 | 37.92% |
| Native | 2,233 | 267 | 11.96% |
10.97%
Overall Poverty Rate
10.23%
Male Poverty Rate
11.70%
Female Poverty Rate
The race most likely to be in poverty in Ada County, Idaho is Islander, with 37.92% below the poverty level.
The race least likely to be in poverty in Ada County, Idaho is White, with 9.74% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.27%. Among those working part-time, it was 16.81%, and for those that did not work, the poverty rate was 18.94%.
52.0%
Overall Marriage Rate
52.5%
Male Marriage Rate
51.5%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 27,917 | 9.07% |
| Hispanic | 1,126 | 4.83% |
| 2 or More | 452 | 6.31% |
| Other | 356 | 7.20% |
| Asian | 319 | 3.51% |
| Black | 249 | 6.53% |
| Indian | 166 | 7.64% |
| Hawaiian | 7 | 0.84% |
7.39%
Veteran Poverty Rate
25.90%
Veteran Disability Rate
66%
Labor Force Participation
63.2%
Employment Rate
3.8%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
94.22%
Native Born
5.78%
Foreign Born
2.89%
Non Citizen
2.89%
Naturalized
94.22% of Ada County, Idaho residents were born in the United States, with 46.20% having been born in Idaho. 2.89% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.