Fitchburg, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Fitchburg, Wisconsin is 31,566 as of the 2023 American Community Survey, making it the 27th-largest city in Wisconsin. The median household income is $85,420, the median home value is $389,400, and the median age is 34.7.
The population has grown 36.2% since 2010 (25,219 → 34,357).
31,566
Population
896
People / sq mi
$85,420
Median Income
$389,400
Median Home Value
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Fitchburg covers 35.2 sq mi of land at 896 people per square mile.
About Fitchburg, WI
What distinguishes Fitchburg is density: among the most sparsely settled of US cities, around 896 people per square mile. Fitchburg is a city in Wisconsin with a population of 31,566. It ranks #27 among cities in Wisconsin by population.
Median household income is $85,420, above the US median of $78,538. The poverty rate is 5.4%, below the national 12.4%. Homes carry a median value of $389,400, with typical rent around $1,302.
Educational attainment is on the higher side for US cities — 57.0% of adults hold a four-year degree, above the national 35.0%. Around 13.7% of workers work from home, close to the national 14.0%, and the average commute runs about 20 minutes each way.
Fitchburg city Population History (2010-2024)
The city of Fitchburg city had a population of 25,219 in 2010 and 34,357 in 2024, a 36.2% growth over 14 years. The peak was 34,357 in 2024. Average annual growth rate: 2.24%.
34,357
Population (2024)
25,219
Population (2010)
34,357
Peak (2024)
2.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 25,219 |
| 2011 | 25,524 |
| 2012 | 25,867 |
| 2013 | 26,321 |
| 2014 | 27,132 |
| 2015 | 27,929 |
| 2016 | 28,832 |
| 2017 | 29,539 |
| 2018 | 30,140 |
| 2019 | 30,792 |
| 2020 | 31,300 |
| 2021 | 31,647 |
| 2022 | 32,323 |
| 2023 | 33,450 |
| 2024 | 34,357 |
Race & Ethnicity
| White | 65.2% |
| Black or African American | 9.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$85,420
Median Household Income
$55,926
Per Capita Income
5.4%
Poverty Rate
1.4%
Unemployment Rate
Housing
$389,400
Median Home Value
$1,302
Median Rent
45.9%
Owner-Occupied
Education
93.3%
High School+
57.0%
Bachelor's+
Commute
0.4%
Drive Alone
72.0%
Public Transit
13.7%
Work From Home
20.2 min
Avg Commute
Community Profile
32.6%
Foreign Born
80.8%
Non-English at Home
3.6%
Veterans
9.5%
With Disability
92.6%
Health Insurance
97.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.6% |
| Finance, Insurance & Real Estate | 19.1% |
| Manufacturing | 13.1% |
| Education, Health Care & Social Services | 7.1% |
| Information | 6.5% |
| Public Administration | 5.0% |
| Transportation & Warehousing | 4.4% |
| Retail Trade | 3.7% |
| Arts, Entertainment & Food Services | 3.6% |
| Construction | 3.0% |
| Agriculture & Mining | 0.6% |
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City rankings
Frequently Asked Questions
Fitchburg, Wisconsin has a population of 31,566 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 27th-largest city in Wisconsin.
The median household income in Fitchburg, Wisconsin is $85,420, with 5.4% of residents living below the federal poverty level.
The median home value in Fitchburg, Wisconsin is $389,400, with median monthly rent at $1,302 and a homeownership rate of 45.9%.
The median age in Fitchburg, Wisconsin is 34.7 years. The population is 53.3% male and 46.7% female.
The population has grown 36.2% since 2010 (25,219 → 34,357).
Fitchburg city, WI Climate
Fitchburg city, WI has an average annual temperature of 7.5°C (46°F) and receives about 843 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.5°C
Avg Temp
843
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -9° / 16° | 30 mm |
| February | -6° / 21° | 29 mm |
| March | 0° / 33° | 56 mm |
| April | 7° / 45° | 81 mm |
| May | 14° / 57° | 86 mm |
| June | 19° / 67° | 101 mm |
| July | 22° / 71° | 100 mm |
| August | 20° / 69° | 104 mm |
| September | 16° / 61° | 93 mm |
| October | 10° / 49° | 62 mm |
| November | 2° / 35° | 57 mm |
| December | -5° / 22° | 44 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Fitchburg city, WI
The most comfortable months to visit Fitchburg city, WI are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -14°C low). August is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.