Ada County, Idaho's estimated 2023 population is 525,747 with a growth rate of 1.99% in the past year according to the most recent United States census data. Ada County, Idaho is the largest county in Idaho. The 2010 population was 392,365 and has seen a growth of 33.99% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 392,365 | ||
| 2011 | 402,625 | 10,260 | 2.61% |
| 2012 | 412,885 | 10,260 | 2.55% |
| 2013 | 423,145 | 10,260 | 2.48% |
| 2014 | 433,405 | 10,260 | 2.42% |
| 2015 | 443,665 | 10,260 | 2.37% |
| 2016 | 453,925 | 10,260 | 2.31% |
| 2017 | 464,185 | 10,260 | 2.26% |
| 2018 | 474,445 | 10,260 | 2.21% |
| 2019 | 484,705 | 10,260 | 2.16% |
| 2020 | 494,967 | 10,262 | 2.12% |
| 2021 | 505,227 | 10,260 | 2.07% |
| 2022 | 515,487 | 10,260 | 2.03% |
| 2023 | 525,747 | 10,260 | 1.99% |
White
Two or more races
Asian
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 184,806 | 2.57 | 71 | 29 |
| Married | 97,868 | 3.18 | 85.1 | 14.9 |
| Non Family | 63,290 | 1.38 | 53.8 | 46.2 |
| Female | 15,423 | 3.19 | 56.3 | 43.7 |
| Male | 8,225 | 3.35 | 62.7 | 37.3 |
3.12
Average Family Size
2.57
Average Household Size
71.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
91.27% of Ada County, Idaho residents speak only English, while 8.73% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.47% of the population.
rate
9.17%
Overall Poverty Rate
8.35%
Male Poverty Rate
9.98%
Female Poverty Rate
The race most likely to be in poverty in Ada County, Idaho is Black, with 31.38% below the poverty level.
The race least likely to be in poverty in Ada County, Idaho is Multiple, with 6.07% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.6%. Among those working part-time, it was 14.11%, and for those that did not work, the poverty rate was 16.5%.
Married
Widowed
Divorced
Separated
NeverMarried
53.1%
Overall Marriage Rate
53.8%
Male Marriage Rate
52.4%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.54%
Veteran Poverty Rate
25.65%
Veteran Disability Rate
LaborForceParticipation
66.9%
Labor Force Participation
64.3%
Employment Rate
3.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
43.39%
Born in Ada County, Idaho
96.32%
Native Born
5.81%
Foreign Born
2.75%
Non Citizen
3.06%
Naturalized
96.32% of Ada County, Idaho residents were born in the United States, with 43.39% having been born in Idaho. 2.75% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.