City in Polk County, Iowa · 13.4 sq mi · 1,756 people per sq mi
About 23,000 people live in Altoona. The typical household earns $86,114, and the median resident is 36.1 years old.
2026 projection
From 19,742 in 2020
Poverty rate 8.31%
Men 36.4 · Women 35.8
1880–2026
23,486
2026 projection
19% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1880–2026
23,486
2026 projection
19% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 23,486 | +690 | 3.03% |
|---|---|---|---|
| 2025 | 22,796 | +291 | 1.29% |
| 2024 | 22,505 | +403 | 1.82% |
| 2023 | 22,102 | +274 | 1.26% |
| 2022 | 21,828 | +816 | 3.88% |
| 2021 | 21,012 | +1,270 | 6.43% |
| 2020 | 19,742 | +470 | 2.44% |
| 2019 | 19,272 | +467 | 2.48% |
| 2018 | 18,805 | +103 | 0.55% |
| 2017 | 18,702 | +600 | 3.31% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 215 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 12 residents
51% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 51% | 56% | 47% |
| Never married | 30% | 30% | 30% |
| Divorced | 14% | 12% | 15% |
| Widowed | 5% | 1% | 8% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau