City in Ada County, Idaho · 11.8 sq mi · 1,911 people per sq mi
22,547 people live in Star. The typical household earns $97,936, and the median resident is 40.3 years old.
2026 projection
From 11,117 in 2020
Poverty rate 5.79%
Men 39.1 · Women 42.2
2000–2026
22,547
2026 projection
102.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2000–2026
22,547
2026 projection
102.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 22,547 | +1,673 | 8.01% |
|---|---|---|---|
| 2025 | 20,874 | +2,694 | 14.82% |
| 2024 | 18,180 | +1,799 | 10.98% |
| 2023 | 16,381 | +1,660 | 11.28% |
| 2022 | 14,721 | +1,689 | 12.96% |
| 2021 | 13,032 | +1,915 | 17.23% |
| 2020 | 11,117 | +544 | 5.15% |
| 2019 | 10,573 | +652 | 6.57% |
| 2018 | 9,921 | +841 | 9.26% |
| 2017 | 9,080 | +675 | 8.03% |
Showing 10 of 18 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Star is growing faster than Ada County, Idaho, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 147 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 17 residents
65% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 65% | 64% | 67% |
| Never married | 23% | 28% | 18% |
| Divorced | 6% | 5% | 7% |
| Widowed | 5% | 3% | 7% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources