Ada County, Idaho
ID · FIPS 16001 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 518,935 | — | #140 / 3,222 | |
| Median Household Income | $91,502 | +21.8% | #276 / 3,222 | |
| Median Age | 38.4 years | -1.3% | #2,497 / 3,222 | |
| Median Home Value | $512,300 | +81.7% | #132 / 3,222 | |
| Median Gross Rent | $1,577 | +35.6% | #203 / 3,222 | |
| Poverty Rate | 8.3% | -33.8% | #426 / 3,222 | |
Demographics
Ada County has a population of 518,935, making it the #140 most populous county in the US. The median age is 38.4 years, which is 1.3% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Ada County is $91,502, ranking #276 out of 3,222 counties — 21.8% above the national median. The poverty rate is 8.3% and unemployment stands at 3.1%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Ada County is $512,300 (+81.7% vs national). Renters pay a median of $1,577/mo and the homeownership rate is 70.8%.
Median Home Value Trend
Rankings →Health
93.6% of residents in Ada County have health insurance coverage, which is 2.0% above the national rate.
About Ada County, Idaho
Ada County, Idaho has a total population of 518,935, making it the 140th most populous county in the United States. The median age in Ada County is 38.4 years, which is 1.3% below the national median of 38.9 years.
The median household income in Ada County is $91,502, which ranks #276 of 3,222 counties nationwide. This is 21.8% above the national median of $75,149. The poverty rate is 8.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.1%.
The median home value in Ada County is $512,300, 81.7% above the national median. Renters in Ada County pay a median gross rent of $1,577 per month. The homeownership rate is 70.8%, compared to the national rate of 64.4%.
In Ada County, 44.6% of residents aged 25 and older hold a bachelor's degree or higher, 32.3% above the national average of 33.7%. Health insurance coverage stands at 93.6% of the population. The average commute time for workers is 23.2 min.
Ada County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 80.9% of the population, followed by Hispanic or Latino (9.8%) and Two or More Races (4.3%).
All data for Ada County, Idaho comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.