City in Jefferson County, Iowa · 6.6 sq mi · 1,388 people per sq mi
About 9,200 people live in Fairfield. The typical household earns $51,311, and the median resident is 40 years old.
2026 projection
From 9,445 in 2020
Poverty rate 20.73%
Men 34.9 · Women 44.8
1850–2026
9,181
2026 projection
2.8% 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.
1850–2026
9,181
2026 projection
2.8% 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 | 9,181 | -39 | 0.42% |
|---|---|---|---|
| 2025 | 9,220 | -69 | 0.74% |
| 2024 | 9,289 | -29 | 0.31% |
| 2023 | 9,318 | -57 | 0.61% |
| 2022 | 9,375 | -146 | 1.53% |
| 2021 | 9,521 | +76 | 0.80% |
| 2020 | 9,445 | -924 | 8.91% |
| 2019 | 10,369 | +104 | 1.01% |
| 2018 | 10,265 | +10 | 0.10% |
| 2017 | 10,255 | +57 | 0.56% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 95 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 5 residents
39% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 39% | 36% | 42% |
| Never married | 42% | 47% | 36% |
| Divorced | 15% | 12% | 19% |
| Widowed | 4% | 5% | 3% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau