Willmar, Minnesota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Willmar, Minnesota is 21,136 as of the 2023 American Community Survey, making it the 56th-largest city in Minnesota. The median household income is $63,368, the median home value is $186,000, and the median age is 35.6.
The population has grown 11.8% since 2010 (19,580 → 21,892).
21,136
Population
1485
People / sq mi
$63,368
Median Income
$186,000
Median Home Value
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Willmar covers 14.2 sq mi of land at 1485 people per square mile.
About Willmar, MN
Housing cost is the defining feature of Willmar: the median home is valued at $186,000. Willmar is a city in Minnesota with a population of 21,136.
Incomes run on the lower side: a median household income of $63,368, below the US median of $78,538. The poverty rate is 10.9%, below the national 12.4%. Housing is relatively affordable, with a median home value of $186,000, with typical rent around $830.
College attainment is 24.5%, below the national 35.0%. Most workers commute: only 7.2% work from home, below the national 14.0%, and the average commute runs about 13 minutes each way.
Willmar city Population History (2010-2024)
The city of Willmar city had a population of 19,580 in 2010 and 21,892 in 2024, a 11.8% growth over 14 years. The peak was 21,892 in 2024. Average annual growth rate: 0.81%.
21,892
Population (2024)
19,580
Population (2010)
21,892
Peak (2024)
0.81%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 19,580 |
| 2011 | 19,567 |
| 2012 | 19,622 |
| 2013 | 19,637 |
| 2014 | 19,606 |
| 2015 | 19,613 |
| 2016 | 19,620 |
| 2017 | 19,648 |
| 2018 | 19,701 |
| 2019 | 19,869 |
| 2020 | 21,042 |
| 2021 | 21,103 |
| 2022 | 21,324 |
| 2023 | 21,568 |
| 2024 | 21,892 |
Race & Ethnicity
| White | 68.4% |
| Black or African American | 10.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$63,368
Median Household Income
$31,501
Per Capita Income
10.9%
Poverty Rate
3.2%
Unemployment Rate
Housing
$186,000
Median Home Value
$830
Median Rent
57.5%
Owner-Occupied
Education
85.7%
High School+
24.5%
Bachelor's+
Commute
1.9%
Drive Alone
75.3%
Public Transit
7.2%
Work From Home
12.9 min
Avg Commute
Community Profile
18.8%
Foreign Born
75.5%
Non-English at Home
5.3%
Veterans
16.8%
With Disability
90.7%
Health Insurance
94.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 29.3% |
| Manufacturing | 13.9% |
| Education, Health Care & Social Services | 9.4% |
| Finance, Insurance & Real Estate | 6.3% |
| Arts, Entertainment & Food Services | 5.3% |
| Construction | 4.9% |
| Retail Trade | 4.6% |
| Information | 4.0% |
| Agriculture & Mining | 3.6% |
| Public Administration | 2.9% |
| Transportation & Warehousing | 0.4% |
Largest cities in Minnesota
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City rankings
Frequently Asked Questions
Willmar, Minnesota has a population of 21,136 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 56th-largest city in Minnesota.
The median household income in Willmar, Minnesota is $63,368, with 10.9% of residents living below the federal poverty level.
The median home value in Willmar, Minnesota is $186,000, with median monthly rent at $830 and a homeownership rate of 57.5%.
The median age in Willmar, Minnesota is 35.6 years. The population is 48.0% male and 52.0% female.
The population has grown 11.8% since 2010 (19,580 → 21,892).
Willmar city, MN Climate
Willmar city, MN has an average annual temperature of 6.6°C (44°F) and receives about 708 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6.6°C
Avg Temp
708
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -12° / 10° | 20 mm |
| February | -8° / 18° | 19 mm |
| March | -1° / 30° | 40 mm |
| April | 7° / 45° | 62 mm |
| May | 15° / 59° | 83 mm |
| June | 20° / 68° | 117 mm |
| July | 22° / 72° | 88 mm |
| August | 21° / 70° | 92 mm |
| September | 16° / 60° | 76 mm |
| October | 9° / 48° | 57 mm |
| November | -1° / 30° | 33 mm |
| December | -9° / 16° | 21 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 Willmar city, MN
The most comfortable months to visit Willmar city, MN are typically August, July 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 -17°C low). June is usually the wettest month.
Where to stay near Willmar
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.