Lake Mills, IA Profile: Facts, Map & Data


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Lake Mills, Iowa - Basic Facts

The City of Lake Mills had a population of 2,083 as of July 1, 2017. Lake Mills ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Lake Mills is located at latitude 43.4171 and longitude -93.5322 in Winnebago County. The formal boundaries for the City of Lake Mills (see map below) encompass a land area of 2.7 sq. miles and a water area of 0.03 sq. miles. Winnebago County is in the Central time zone (GMT -6). The elevation is 1,289 feet.

The City of Lake Mills (GNIS ID: 2395595) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Lake Mills is located within Township of Center, a minor civil division (MCD) of Winnebago County.

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

Neighborhood Data

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City of Lake Mills, IA Boundary Map

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Boundary Maps: Township of Center | Winnebago County | Iowa Counties

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Lake Mills, IA Data & Demographics (As of July 1, 2017)


Total Population 2,083
Daytime Population: Workers 2,295
Daytime Population: Residents 1,151
Total Daytime Population (TDP) 3,446
Ratio TDP/Total Population1 1.65
Population in Households 2,037
Population in Familes 1,554
Population in Group Qrtrs 46
Population Density2 772
Diversity Index3 17


Median Household Income $44,076
Average Household Income $54,813
Per Capita Income $25,089


Total Housing Units 1,054 (100%)
Owner Occupied HU 653 (62.0%)
Renter Occupied HU 294 (27.9%)
Vacant Housing Units 107 (10.2%)
Median Home Value $136,000
Average Home Value $149,195


Total Households 947
Average Household Size 2.15
Family Households 566
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 -0.11% 0.02%
Households 0.04% 0.08%
Families 0.35% -0.04%
Median Household Income   3.18%
Per Capita Income   3.21%

Lake Mills, IA - Peer Comparisons by Rank and Percentile

The table below compares Lake Mills to the other 1,009 incorporated cities, towns and CDPs in Iowa 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 # 163 84th
Population Density # 438 57th
Diversity Index # 208 79th
Median Household Income # 870 14th
Per Capita Income # 720 29th

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

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