City in Shelby County, Iowa · 0.6 sq mi · 535 people per sq mi
About 310 people live in Irwin. The typical household earns $40,417, and the median resident is 48.5 years old.
2026 projection
From 319 in 2020
Poverty rate 15.52%
Men 45.1 · Women 50.3
2010–2026
314
2026 projection
1.6% since 2020 (decrease)
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.
2010–2026
314
2026 projection
1.6% since 2020 (decrease)
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 | 314 | -1 | 0.32% |
|---|---|---|---|
| 2025 | 315 | -2 | 0.63% |
| 2024 | 317 | 0 | 0.00% |
| 2023 | 317 | +2 | 0.63% |
| 2022 | 315 | -4 | 1.25% |
| 2021 | 319 | 0 | 0.00% |
| 2020 | 319 | +7 | 2.24% |
| 2019 | 312 | -4 | 1.27% |
| 2018 | 316 | -1 | 0.32% |
| 2017 | 317 | -4 | 1.25% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 4 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 6 residents
49% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 49% | 44% | 56% |
| Never married | 32% | 41% | 20% |
| Divorced | 14% | 12% | 16% |
| Widowed | 5% | 4% | 6% |
| Separated | <1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau