City in Benton County, Iowa · 0.5 sq mi · 1,428 people per sq mi
708 people live in Blairstown. The typical household earns $79,375, and the median resident is 37.5 years old.
2026 projection
From 713 in 2020
Poverty rate 12.54%
Men 34.7 · Women 41.5
2010–2026
708
2026 projection
0.7% since 2020 (decrease)
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.
2010–2026
708
2026 projection
0.7% since 2020 (decrease)
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 | 708 | -1 | 0.14% |
|---|---|---|---|
| 2025 | 709 | +3 | 0.42% |
| 2024 | 706 | -2 | 0.28% |
| 2023 | 708 | -1 | 0.14% |
| 2022 | 709 | -2 | 0.28% |
| 2021 | 711 | -2 | 0.28% |
| 2020 | 713 | +5 | 0.71% |
| 2019 | 708 | +2 | 0.28% |
| 2018 | 706 | -1 | 0.14% |
| 2017 | 707 | +5 | 0.71% |
Showing 10 of 17 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.
Blairstown has a population change lower than Benton County, Iowa, 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 7 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 8 residents
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 57% | 56% |
| Never married | 23% | 25% | 20% |
| Divorced | 15% | 17% | 12% |
| Widowed | 5% | 0% | 11% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources