Ada County, Idaho

8 cities & places have their primary county here.

Population: 508,052
Median household income: $88,907
Median home value: $476,000

Ada County is a county in Idaho with a population of 508,052. 8 cities and places have their primary county here. At $88,907, its median household income sits above Idaho's $74,636.

Between 2019 and 2023, Ada County's population grew 11.2% from 456,849 to 508,052, while its median household income rose 34.1% from $66,293 to $88,907.

Owners occupy 71.4% of the area's occupied homes. The median resident is 38.3 years old.

Demographics

ACS 2019–2023

Population: 508,052
Median age: 38.3 yrs
Median household income: $88,907
Median home value: $476,000
Median gross rent: $1,465
Housing units: 205,068
Homeownership rate: 71.4%
Bachelor's degree or higher: 43.9%
Unemployment rate: 3.1%

Trends

ACS 5-year · 2019–2023

Population

456,849508,052

Median household income

$66,293$88,907

Median home value

$270,800$476,000

Median gross rent

$995$1,465

Year	Population	Median household income	Median home value	Median gross rent
2019	456,849	$66,293	$270,800	$995
2020	469,473	$69,952	$298,600	$1,062
2021	485,246	$75,115	$342,500	$1,163
2022	497,494	$83,881	$423,500	$1,320
2023	508,052	$88,907	$476,000	$1,465

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.2%

5 to 1717.3%

18 to 248.8%

25 to 3413.9%

35 to 4414.4%

45 to 5412.8%

55 to 6411.9%

65 to 749.7%

75 and over6.1%

	Count	Share
Under 5	26,406	5.2%
5 to 17	87,665	17.3%
18 to 24	44,660	8.8%
25 to 34	70,605	13.9%
35 to 44	73,256	14.4%
45 to 54	64,801	12.8%
55 to 64	60,683	11.9%
65 to 74	49,133	9.7%
75 and over	30,843	6.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	414,759	81.6%
Black or African American	6,210	1.2%
American Indian & Alaska Native	1,583	0.3%
Asian	12,730	2.5%
Native Hawaiian & Pacific Islander	872	0.2%
Some other race	2,899	0.6%
Two or more races	20,708	4.1%
Hispanic or Latino (any race)	48,291	9.5%

Educational attainment (age 25+)

No high school diploma4.9%

High school graduate19.6%

Some college or associate's31.6%

Bachelor's degree28.5%

Graduate or professional degree15.4%

	Count	Share
No high school diploma	17,238	4.9%
High school graduate	68,395	19.6%
Some college or associate's	110,333	31.6%
Bachelor's degree	99,716	28.5%
Graduate or professional degree	53,639	15.4%

Commute to work

Mean travel time to work: 21 min

Drove alone70.6%

Carpooled7.2%

Public transit0.4%

Walked2.3%

Bicycle1.4%

Worked from home16.8%

Other means1.3%

How workers get to work

	Count	Share
Drove alone	182,137	70.6%
Carpooled	18,562	7.2%
Public transit	1,061	0.4%
Walked	5,924	2.3%
Bicycle	3,640	1.4%
Worked from home	43,356	16.8%
Other means	3,481	1.3%

Travel time

	Count	Share
Under 15 min	60,340	28.1%
15 to 29 min	104,246	48.5%
30 to 44 min	36,667	17.1%
45 to 59 min	7,769	3.6%
60+ min	5,783	2.7%

Households

Average household size: 2.51
Poverty rate: 8.5% (42,195 of 494,706)

	Count	Share
Family households	131,471	66.8%
Nonfamily households	65,229	33.2%

Housing

Median year structure built: 1996

Occupancy

	Count	Share
Occupied	196,700	95.9%
Vacant	8,368	4.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	140,354	71.4%
Renter-occupied	56,346	28.6%

1-unit, detached74.5%

1-unit, attached5.1%

2 to 4 units6.3%

5 to 19 units5.7%

20 or more units5.3%

Mobile home & other3.1%

Units in structure

	Count	Share
1-unit, detached	152,780	74.5%
1-unit, attached	10,416	5.1%
2 to 4 units	12,893	6.3%
5 to 19 units	11,731	5.7%
20 or more units	10,965	5.3%
Mobile home & other	6,283	3.1%

Geography

County GEOID: 16001
State: Idaho
Land area: 1,052 sq mi
Water area: 8.54 sq mi
Center point: 43.4515, -116.2444