Ada County vs Twin Falls County
A side-by-side comparison of Ada County and Twin Falls County: population, income, housing, and more.
Ada County and Twin Falls County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Ada County has the higher population (508,052 vs 92,121 in Twin Falls County). Ada County has the higher median household income ($88,907 vs $65,338 in Twin Falls County). Ada County has the higher median home value ($476,000 vs $292,700 in Twin Falls County).
Population, income & housing
| Ada County | Twin Falls County | |
|---|---|---|
| Population | 508,052 | 92,121 |
| Median age | 38.3 yrs | 35.8 yrs |
| Median household income | $88,907 | $65,338 |
| Median home value | $476,000 | $292,700 |
| Median gross rent | $1,465 | $1,011 |
| Housing units | 205,068 | 35,749 |
| Homeownership rate | 71.4% | 69.6% |
| Bachelor's degree or higher | 43.9% | 23.0% |
| Unemployment rate | 3.1% | 3.2% |
Trends (ACS 5-year, 2019–2023)
| Ada County | Twin Falls County | |
|---|---|---|
| Population | 456,849 → 508,052 (+11.2%) | 84,869 → 92,121 (+8.5%) |
| Median household income | $66,293 → $88,907 (+34.1%) | $52,919 → $65,338 (+23.5%) |
| Median home value | $270,800 → $476,000 (+75.8%) | $166,800 → $292,700 (+75.5%) |
| Median gross rent | $995 → $1,465 (+47.2%) | $800 → $1,011 (+26.4%) |
Ada County
456,849508,052
$66,293$88,907
$270,800$476,000
$995$1,465
Twin Falls County
84,86992,121
$52,919$65,338
$166,800$292,700
$800$1,011
Age & race/ethnicity
Age distribution (share)
| Ada County | Twin Falls County | |
|---|---|---|
| Under 5 | 5.2% | 6.4% |
| 5 to 17 | 17.3% | 20.3% |
| 18 to 24 | 8.8% | 8.7% |
| 25 to 34 | 13.9% | 13.3% |
| 35 to 44 | 14.4% | 13.1% |
| 45 to 54 | 12.8% | 10.7% |
| 55 to 64 | 11.9% | 11.2% |
| 65 to 74 | 9.7% | 9.7% |
| 75 and over | 6.1% | 6.7% |
Race & ethnicity (share)
| Ada County | Twin Falls County | |
|---|---|---|
| White (non-Hispanic) | 81.6% | 76.2% |
| Black or African American | 1.2% | 0.7% |
| American Indian & Alaska Native | 0.3% | 0.2% |
| Asian | 2.5% | 1.3% |
| Native Hawaiian & Pacific Islander | 0.2% | 0.3% |
| Some other race | 0.6% | 0.3% |
| Two or more races | 4.1% | 3.5% |
| Hispanic or Latino | 9.5% | 17.5% |
Educational attainment (age 25+)
Share of adults 25+
| Ada County | Twin Falls County | |
|---|---|---|
| No high school diploma | 4.9% | 11.3% |
| High school graduate | 19.6% | 28.9% |
| Some college or associate's | 31.6% | 36.8% |
| Bachelor's degree | 28.5% | 13.9% |
| Graduate or professional degree | 15.4% | 9.1% |
Commute to work
How workers get to work (share)
| Ada County | Twin Falls County | |
|---|---|---|
| Drove alone | 70.6% | 79.5% |
| Carpooled | 7.2% | 9.9% |
| Public transit | 0.4% | 0.1% |
| Walked | 2.3% | 1.2% |
| Bicycle | 1.4% | 0.2% |
| Worked from home | 16.8% | 8.2% |
| Other means | 1.3% | 1.0% |
Housing
Units in structure (share)
| Ada County | Twin Falls County | |
|---|---|---|
| 1-unit, detached | 74.5% | 75.0% |
| 1-unit, attached | 5.1% | 3.7% |
| 2 to 4 units | 6.3% | 8.6% |
| 5 to 19 units | 5.7% | 3.6% |
| 20 or more units | 5.3% | 1.6% |
| Mobile home & other | 3.1% | 7.5% |
Poverty & households
| Ada County | Twin Falls County | |
|---|---|---|
| Poverty rate | 8.5% | 10.7% |
| Average household size | 2.51 | 2.67 |
| Mean commute (minutes) | 21 | 18 |
| Median year structure built | 1996 | 1980 |
Full profiles
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