City in Jefferson County, Wisconsin · 5.8 sq mi · 2,112 people per sq mi
12,346 people live in Fort Atkinson. The typical household earns $79,302, and the median resident is 43.5 years old.
2026 projection
From 12,579 in 2020
Poverty rate 6.68%
Men 40.8 · Women 45.2
1850–2026
12,346
2026 projection
1.9% 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.
1850–2026
12,346
2026 projection
1.9% 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 | 12,346 | -42 | 0.34% |
|---|---|---|---|
| 2025 | 12,388 | -40 | 0.32% |
| 2024 | 12,428 | +19 | 0.15% |
| 2023 | 12,409 | -24 | 0.19% |
| 2022 | 12,433 | -127 | 1.01% |
| 2021 | 12,560 | -19 | 0.15% |
| 2020 | 12,579 | -35 | 0.28% |
| 2019 | 12,614 | -48 | 0.38% |
| 2018 | 12,662 | +57 | 0.45% |
| 2017 | 12,605 | +9 | 0.07% |
Showing 10 of 32 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.
Fort Atkinson has a population change lower than Jefferson County, Wisconsin, 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 125 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 15 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 49% | 47% |
| Never married | 34% | 36% | 31% |
| Divorced | 12% | 10% | 14% |
| Widowed | 5% | 2% | 8% |
| Separated | <1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources