CensusEasy
COUNTY · 2020 ACS

Ada County

Idaho · 494,967 residents · 1,052.016 sq mi
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The short version

Ada County has roughly average household income, with a median household income of $69,952. The county has grown rapidly, with population up 64% since 2000. Median home value has more than doubled since 2000, reaching $298,600.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 37.4
US median: 38.8
More educated
40% hold a bachelor's degree
US average: 33%
Less affordable
home values up 62%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
494,967
+64%since 2000
from 300,904 in 2000
1990 – 2025
Median age
37.4
+14%since 2000
from 32.8 in 2000
US average: 38.8
Population, 1990 – 2024
174K268K362K456K550K1990201020202024Ada County
2024519K
1990201020202024
Age distribution, 2020
Under 55.5%(27,109)
US avg: 5.6%
5 to 96.5%(32,298)
US avg: 6.1%
10 to 147.3%(35,906)
US avg: 6.5%
15 to 197.1%(35,015)
US avg: 6.6%
20 to 246.6%(32,704)
US avg: 6.7%
25 to 3413.6%(67,119)
US avg: 13.5%
35 to 4413.9%(68,879)
US avg: 12.7%
45 to 5412.3%(60,890)
US avg: 12.3%
55 to 6411.7%(58,127)
US avg: 13.1%
65 to 749.5%(46,911)
US avg: 10%
75 to 844.4%(22,024)
US avg: 4.9%
85 and over1.6%(7,985)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$69,952
+1%inflation adjusted, since 2000
from $46,140 in 2000
US average: $66,278
1990 – 2024
Per capita income
$37,333
+66%since 2000
from $22,519 in 2000
US average: $35,364
Households earning $100K+
46.1%
+11.9 ptssince 2009
from 34.2% in 2009
US average: 43.9%
Poverty rate
9.3%
+1.6 ptssince 2000
from 7.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.6%
US avg: 11.1%
Retail trade8.5%
US avg: 10%
Other services7.4%
US avg: 6.6%
Wholesale trade7.3%
US avg: 6.7%
Public administration4.8%
US avg: 4.7%
Finance & insurance4.5%
US avg: 5.5%
Professional, scientific, technical3.5%
US avg: 4.7%
Transportation & warehousing3.1%
US avg: 2.5%
Arts, entertainment, food2.2%
US avg: 2%
Agriculture, forestry, fishing1.3%
US avg: 1.7%
Construction1.1%
US avg: 1.2%
Education & health services1%
US avg: 0.8%
Manufacturing0.2%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$298,600
+62%inflation adjusted, since 2000
from $122,400 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,062
+15%inflation adjusted, since 2000
from $617 in 2000
US average: $1,124
Owner-occupied
69.1%
−1.6 ptssince 2000
from 70.7% in 2000
30.9% rent
Afford Score
4.3
+15%since 2009
from 3.7 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Ada County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic90.6%(272,569)
Black0.6%(1,829)
Hispanic / Latino4.5%(13,467)
Asian1.7%(5,140)
Other0%
2020
White, non-Hispanic80.4%(397,998)
Black1.6%(7,733)
Hispanic / Latino9.1%(45,223)
Asian2.8%(13,651)
Other3.7%(18,501)
Segregation Score
23
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican6.4%(30,076)
South American0.5%(2,263)
Puerto Rican0.3%(1,578)
Spaniard0.3%(1,562)
Peruvian0.1%(655)
Colombian0.1%(592)
Venezuelan0.1%(349)
Guatemalan0.1%(292)
Salvadoran0.1%(262)
Chilean0.1%(258)
Ecuadorian0.1%(237)
+ 9 more hispanic origin groups with data
Cuban0%(202)
Honduran0%(171)
Dominican0%(147)
Argentine0%(106)
Uruguayan0%(14)
Asian origin
Chinese0.6%(2,869)
Asian Indian0.4%(1,904)
Japanese0.2%(1,153)
Filipino0.2%(1,092)
Vietnamese0.2%(1,001)
Korean0.2%(831)
Laotian0.1%(677)
Thai0.1%(433)
Nepalese0.1%(367)
Bhutanese0%(153)
Pakistani0%(94)
Taiwanese0%(74)
+ 4 more asian origin groups with data
Cambodian0%(43)
Burmese0%(27)
Pacific Islander origin
Chamorro0.1%(387)
Samoan0.1%(243)
Fijian0%(65)
Tongan0%(10)
Ancestry
English19.7%(92,482)
German16.8%(79,036)
Irish10.7%(50,109)
American4.5%(21,358)
Italian3.8%(18,015)
Scottish3.3%(15,686)
Norwegian3.1%(14,680)
Swedish2.6%(12,238)
French2.5%(11,814)
Dutch1.8%(8,491)
Polish1.8%(8,373)
Danish1.5%(7,122)
+ 46 more ancestry groups with data
Welsh1.4%(6,442)
British1.1%(4,949)
Scotch-Irish0.9%(4,063)
Swiss0.6%(2,795)
Russian0.6%(2,770)
French Canadian0.5%(2,481)
Ukrainian0.5%(2,356)
Portuguese0.4%(2,002)
Czech0.4%(1,689)
Greek0.3%(1,483)
Hungarian0.3%(1,380)
Canadian0.2%(1,128)
Finnish0.2%(1,030)
Iraqi0.2%(951)
Romanian0.2%(841)
Austrian0.2%(724)
Croatian0.1%(641)
Lebanese0.1%(528)
Lithuanian0.1%(497)
Somali0.1%(465)
West Indian0.1%(418)
Serbian0.1%(408)
Slovak0.1%(370)
Belgian0.1%(369)
Arab0.1%(323)
Australian0.1%(318)
Israeli0.1%(272)
Brazilian0.1%(264)
Armenian0.1%(261)
Haitian0.1%(246)
Slovene0.1%(243)
Iranian0%(187)
Jamaican0%(152)
Latvian0%(133)
Bulgarian0%(121)
Ethiopian0%(111)
Turkish0%(83)
Syrian0%(77)
Nigerian0%(62)
Moroccan0%(56)
Jordanian0%(42)
Guyanese0%(27)
Ghanaian0%(18)
Barbadian0%(11)
RANKED:Largest English population · Largest German population · Largest Irish population · Largest Mexican population · Largest American population
Section 05

Education

Bachelor's degree or higher
40.1%
+8.9 ptssince 2000
from 31.2% in 2000
US average: 32.9%
High school or higher
95.3%
+4.5 ptssince 2000
from 90.8% in 2000
US average: 88.5%
Graduate degree
13.5%
+4.1 ptssince 2000
from 9.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
20.9 min
+83%since 2000
from 11.4 min in 2000
US average: 26.9
Drive alone to work
78.2%
−1.8 ptssince 2009
from 79.9% in 2009
US average: 75.1%
No vehicle available
3.7%
−0.5 ptssince 2009
from 4.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
3.7%
−4.1 ptssince 2011
from 7.8% in 2011
US average: 5.4%
Labor force participation
68.0%
−1.2 ptssince 2011
from 69.2% in 2011
US average: 63.4%
Management & professional
45.0%
−22.3 ptssince 2009
from 67.3% in 2009
US average: 39.3%
Section 08

People & community

Male
50.1%
−0.3 ptssince 2009
from 50.4% in 2009
Female
49.9%
+0.3 ptssince 2009
from 49.6% in 2009
Foreign born
5.7%
−0.4 ptssince 2009
from 6.2% in 2009
US average: 13.5%
Uninsured
7.7%
−79.3 ptssince 2013
from 87.0% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married33.6%(71,985)
Married54.4%(116,615)
Widowed1.9%(4,041)
Divorced10.1%(21,622)
Women 15+
Never married26.5%(56,309)
Married53.5%(113,636)
Widowed6.9%(14,717)
Divorced13.1%(27,865)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

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Head to head

Compare Ada County to nearby counties

ADA COUNTY VS
Canyon County
Income$76,488+9%
Home value$390,000+31%
Population275,123−50%
SEE FULL COMPARISON →
ADA COUNTY VS
Elmore County
Income$65,359−7%
Home value$316,500+6%
Population29,465−95%
SEE FULL COMPARISON →
ADA COUNTY VS
Gem County
Income$64,605−8%
Home value$428,700+44%
Population21,773−96%
SEE FULL COMPARISON →
ADA COUNTY VS
Boise County
Income$78,774+13%
Home value$476,100+59%
Population8,545−98%
SEE FULL COMPARISON →
Frequently asked

How many people live in Ada County, Idaho?

Ada County, Idaho has about 494,967 residents according to the 2020 American Community Survey.

What is the median household income in Ada County, Idaho?

The typical household in Ada County, Idaho earns about $69,952 a year. Half of households make more than that, and half make less.

Is Ada County, Idaho expensive?

In Ada County, Idaho, the median home is worth about $298,600, and the typical rent is about $1,062 a month.

How educated are people in Ada County, Idaho?

About 40.1% of adults age 25 and over in Ada County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Ada County, Idaho?

About 9.3% of people in Ada County, Idaho live below the federal poverty line.

Has Ada County, Idaho grown since 1990?

Yes, Ada County, Idaho has grown since 1990. The population has added about 289,192 residents, a change of about 141 percent over that period.

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Explore from here

129 census tracts (top 20 by population)
Census Tract 105.01Census Tract 104.07Census Tract 101.02Census Tract 103.41Census Tract 102.29Census Tract 2.02Census Tract 103.42Census Tract 9.02Census Tract 102.30Census Tract 104.10Census Tract 103.54Census Tract 104.08Census Tract 103.67Census Tract 104.06Census Tract 24.16Census Tract 103.58Census Tract 103.37Census Tract 103.63Census Tract 103.64Census Tract 103.62
16 ZIP codes
ZIP 83646ZIP 83642ZIP 83709ZIP 83704ZIP 83634ZIP 83706ZIP 83616ZIP 83713ZIP 83714ZIP 83705ZIP 83702ZIP 83703ZIP 83669ZIP 83712ZIP 83720ZIP 83725
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →