Willmar, MN Profile: Facts, Map & Data


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Willmar, Minnesota - Basic Facts

The City of Willmar had a population of 20,172 as of July 1, 2017. Willmar ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Minnesota. See peer rankings below.

The primary coordinate point for Willmar is located at latitude 45.1228 and longitude -95.0555 in Kandiyohi County. The formal boundaries for the City of Willmar (see map below) encompass a land area of 14.15 sq. miles and a water area of 1.8 sq. miles. Kandiyohi County is in the Central time zone (GMT -6). The elevation is 1,145 feet.

The City of Willmar (GNIS ID: 2397323) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Willmar population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Willmar: City of Willmar.

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City of Willmar, MN Boundary Map

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Willmar, MN Data & Demographics (As of July 1, 2017)


Total Population 20,172
Daytime Population: Workers 17,461
Daytime Population: Residents 9,892
Total Daytime Population (TDP) 27,353
Ratio TDP/Total Population1 1.36
Population in Households 19,250
Population in Familes 14,372
Population in Group Qrtrs 922
Population Density2 1,425
Diversity Index3 55


Median Household Income $45,569
Average Household Income $63,872
Per Capita Income $25,411


Total Housing Units 8,411 (100%)
Owner Occupied HU 4,488 (53.4%)
Renter Occupied HU 3,353 (39.9%)
Vacant Housing Units 570 ( 6.8%)
Median Home Value $141,674
Average Home Value $170,115


Total Households 7,841
Average Household Size 2.46
Family Households 4,616
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.39% 0.37%
Households 0.29% 0.33%
Families 0.24% 0.27%
Median Household Income   3.04%
Per Capita Income   3.36%

Willmar, MN - Peer Comparisons by Rank and Percentile

The table below compares Willmar to the other 905 incorporated cities, towns and CDPs in Minnesota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 58 94th
Population Density # 155 83rd
Diversity Index # 45 95th
Median Household Income # 699 23rd
Per Capita Income # 699 23rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Minnesota Census Data Comparison Tool.

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