Le Mars, IA Profile: Facts & Data


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Le Mars, Iowa - Basic Facts

The City of Le Mars had a population of 10,124 as of July 1, 2018. Le Mars ranks in the upper quartile for Population Density and 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 Le Mars is located at latitude 42.7942 and longitude -96.1656 in Plymouth County. The formal boundaries for the City of Le Mars (see map below) encompass a land area of 8.99 sq. miles and a water area of 0.01 sq. miles. Plymouth County is in the Central time zone (GMT -6). The elevation is 1,227 feet.

The City of Le Mars (GNIS ID: 2395655) 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 Le Mars is located within Township of America, a minor civil division (MCD) of Plymouth County.

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  1. Le Mars 2018 Demographic Data
  2. Growth Rates for Le Mars (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Le Mars, IA Data & Demographics (As of July 1, 2018)


Total Population 10,124
Population in Households 9,934
Population in Familes 7,915
Population in Group Qrtrs 190
Population Density2 1,126
Diversity Index3 32


Median Household Income $57,979
Average Household Income $71,333
Per Capita Income $29,599


Total Housing Units 4,393 (100%)
Owner Occupied HU 2,864 (65.2%)
Renter Occupied HU 1,300 (29.6%)
Vacant Housing Units 229 ( 5.2%)
Median Home Value $145,302
Average Home Value $161,444


Total Households 4,164
Average Household Size 2.39
Family Households 2,667
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.36% 0.51%
Households 0.45% 0.55%
Families 0.34% 0.43%
Median Household Income   2.35%
Per Capita Income   2.74%

Le Mars, IA - Peer Comparisons by Rank and Percentile

The table below compares Le Mars to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 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 # 41 96th
Population Density # 232 77th
Diversity Index # 68 93rd
Median Household Income # 398 61st
Per Capita Income # 434 57th

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

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