City in Wayne County, Illinois · 4.1 sq mi · 1,164 people per sq mi
About 4,800 people live in Fairfield. The typical household earns $41,989, and the median resident is 46.4 years old.
2026 projection
From 4,890 in 2020
Poverty rate 17.7%
Men 42.4 · Women 51.9
1850–2026
4,769
2026 projection
2.5% 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
4,769
2026 projection
2.5% 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 | 4,769 | -25 | 0.52% |
|---|---|---|---|
| 2025 | 4,794 | +3 | 0.06% |
| 2024 | 4,791 | +11 | 0.23% |
| 2023 | 4,780 | -15 | 0.31% |
| 2022 | 4,795 | -39 | 0.81% |
| 2021 | 4,834 | -56 | 1.15% |
| 2020 | 4,890 | -57 | 1.15% |
| 2019 | 4,947 | -40 | 0.80% |
| 2018 | 4,987 | -36 | 0.72% |
| 2017 | 5,023 | -48 | 0.95% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 46 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
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 46% | 41% |
| Never married | 25% | 31% | 19% |
| Divorced | 17% | 13% | 21% |
| Widowed | 14% | 8% | 19% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau