Ada County, Idaho demographics
Population: 485,246
Median age: 37.7
Median household income: 75,115
Demographics, population, home values, social and economic characteristics of Ada County, Idaho.
Population
| 2021 | 485,246 |
| 2020 | 469,473 |
| 2019 | 456,849 |
| 2018 | 446,052 |
| 2017 | 435,117 |
| 2016 | 425,798 |
| 2015 | 417,501 |
| 2014 | 409,239 |
| 2013 | 401,673 |
| 2012 | 394,961 |
| 2011 | 388,174 |
| 2010 | 380,718 |
| 2009 | 368,791 |
Ada County, ID cities
Boise City city - 231,537
Eagle city - 29,665
Garden City city - 12,056
Hidden Springs CDP - 3,382
Kuna city - 23,765
Meridian city - 115,227
Star city - 10,929
Census data for Ada County, Idaho
Demographic and housing estimates in Ada County, Idaho
| Total population | 485,246 |
| Male | 244,102 |
| Female | 241,144 |
| Total population | 485,246 |
| Under 5 years | 26,705 |
| 5 to 9 years | 29,030 |
| 10 to 14 years | 36,880 |
| 15 to 19 years | 33,255 |
| 20 to 24 years | 28,747 |
| 25 to 34 years | 68,273 |
| 35 to 44 years | 69,912 |
| 45 to 54 years | 62,405 |
| 55 to 59 years | 31,646 |
| 60 to 64 years | 27,218 |
| 65 to 74 years | 44,855 |
| 75 to 84 years | 19,671 |
| 85 years and over | 6,649 |
| Median age (years) | 37.7 |
| Under 18 years | 113,471 |
| 16 years and over | 385,124 |
| 18 years and over | 371,775 |
| 21 years and over | 353,109 |
| 62 years and over | 86,682 |
| 65 years and over | 71,175 |
| Total population | 485,246 |
| One race | 458,387 |
| White | 425,267 |
| Black or African American | 6,303 |
| American Indian and Alaska Native | 2,869 |
| Asian | 12,467 |
| Native Hawaiian and Other Pacific Islander | 1,126 |
| Some other race | 10,355 |
| Two or more races | 26,859 |
| Citizen, VOTING AGE 18 and over population | 360,197 |
| Male Citizen, VOTING AGE 18 and over population | 180,655 |
| Female Citizen, VOTING AGE 18 and over population | 179,542 |
Social characteristics in Ada County, Idaho
| Total households | 184,806 |
| Family households (families) | 97,868 |
| Married-couple family | 11,457 |
| Male householder, no wife present, family | 30,817 |
| Female householder, no husband present, family | 20,293 |
| Nonfamily households | 44,664 |
| Average household size | 49,675 |
| Average family size | 2.57 |
Economic characteristics in Ada County, Idaho
| Total households | 184,806 |
| Less than $10,000 | 7,620 |
| $10,000 to $14,999 | 4,828 |
| $15,000 to $24,999 | 11,510 |
| $25,000 to $34,999 | 12,528 |
| $35,000 to $49,999 | 20,220 |
| $50,000 to $74,999 | 35,535 |
| $75,000 to $99,999 | 27,280 |
| $100,000 to $149,999 | 33,349 |
| $150,000 to $199,999 | 14,447 |
| $200,000 or more | 17,489 |
| Median household income (dollars) | 75,115 |
Housing characteristics in Ada County, Idaho
| Total housing units | 192,132 |
| Occupied housing units | 184,806 |
| Vacant housing units | 7,326 |
| Total housing units | 192,132 |
| 1-unit, detached | 143,458 |
| 1-unit, attached | 8,786 |
| 2 units | 3,324 |
| 3 or 4 units | 9,055 |
| 5 to 9 units | 5,283 |
| 10 to 19 units | 5,347 |
| 20 or more units | 10,152 |
| Mobile home | 6,646 |
| Boat, RV, van, etc. | 81 |
| Total housing units | 192,132 |
| Built 2014 or later | 1,157 |
| Built 2010 to 2013 | 30,763 |
| Built 2000 to 2009 | 42,356 |
| Built 1990 to 1999 | 41,139 |
| Built 1980 to 1989 | 20,502 |
| Built 1970 to 1979 | 26,695 |
| Built 1960 to 1969 | 9,429 |
| Built 1950 to 1959 | 7,714 |
| Built 1940 to 1949 | 4,435 |
| Built 1939 or earlier | 7,942 |
| Total housing units | 192,132 |
| 1 room | 2,627 |
| 2 rooms | 4,039 |
| 3 rooms | 10,865 |
| 4 rooms | 26,873 |
| 5 rooms | 34,671 |
| 6 rooms | 34,786 |
| 7 rooms | 25,833 |
| 8 rooms | 20,915 |
| 9 rooms or more | 31,523 |
| Median rooms | 6.0 |
| Total housing units | 192,132 |
| No bedroom | 2,933 |
| 1 bedroom | 10,721 |
| 2 bedrooms | 38,071 |
| 3 bedrooms | 83,582 |
| 4 bedrooms | 42,929 |
| 5 or more bedrooms | 13,896 |
| Occupied housing units | 184,806 |
| Owner-occupied | 131,151 |
| Renter-occupied | 53,655 |
| Average household size of owner-occupied unit | 2.68 |
| Average household size of renter-occupied unit | 2.32 |
| Occupied housing units | 184,806 |
| Moved in 2017 or later | 22,321 |
| Moved in 2015 to 2016 | 62,979 |
| Moved in 2010 to 2014 | 34,458 |
| Moved in 2000 to 2009 | 38,118 |
| Moved in 1990 to 1999 | 17,748 |
| Moved in 1989 and earlier | 9,182 |
| Owner-occupied units | 131,151 |
| Less than $50,000 | 4,761 |
| $50,000 to $99,999 | 1,626 |
| $100,000 to $149,999 | 3,763 |
| $150,000 to $199,999 | 9,703 |
| $200,000 to $299,999 | 32,407 |
| $300,000 to $499,999 | 52,203 |
| $500,000 to $999,999 | 23,264 |
| $1,000,000 or more | 3,424 |
| Median (dollars) | 342,500 |
| Owner-occupied units | 131,151 |
| Housing units with a mortgage | 91,117 |
| Housing units without a mortgage | 40,034 |
| Occupied units paying rent | 52,079 |
| Less than $500 | 2,103 |
| $500 to $999 | 15,453 |
| $1,000 to $1,499 | 21,643 |
| $1,500 to $1,999 | 10,188 |
| $2,000 to $2,499 | 1,666 |
| $2,500 to $2,999 | 585 |
| $3,000 or more | 441 |
| Median (dollars) | 1,163 |
| No rent paid | 1,576 |
Demographic data for Ada County, ID and each city in the county. Lists of cities by population, wealth and poverty in Ada County, ID.
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