Wentzville, MO Profile: Facts & Data


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Wentzville, Missouri - Basic Facts

The City of Wentzville had a population of 37,727 as of July 1, 2018. Wentzville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Missouri. See peer rankings below.

The primary coordinate point for Wentzville is located at latitude 38.8114 and longitude -90.8529 in St. Charles County. The formal boundaries for the City of Wentzville encompass a land area of 19.74 sq. miles and a water area of 0.02 sq. miles. St. Charles County is in the Central time zone (GMT -6). The elevation is 623 feet.

The City of Wentzville (GNIS ID: 2397257) 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 Wentzville is located within Township of Wentzville, a minor civil division (MCD) of St. Charles County.

Jump to... (On This Page!)
  1. Wentzville 2018 Demographic Data
  2. Growth Rates for Wentzville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2018 Demographics

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Wentzville, MO Data & Demographics (As of July 1, 2018)


Total Population 37,727
Population in Households 37,589
Population in Familes 33,600
Population in Group Qrtrs 138
Population Density2 1,912
Diversity Index3 25


Median Household Income $81,087
Average Household Income $97,287
Per Capita Income $32,999


Total Housing Units 13,153 (100%)
Owner Occupied HU 10,914 (83.0%)
Renter Occupied HU 1,687 (12.8%)
Vacant Housing Units 551 ( 4.2%)
Median Home Value $228,888
Average Home Value $260,070


Total Households 12,602
Average Household Size 2.98
Family Households 10,070
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 3.24% 2.53%
Households 3.18% 2.49%
Families 3.12% 2.46%
Median Household Income   2.34%
Per Capita Income   2.86%

Wentzville, MO - Peer Comparisons by Rank and Percentile

The table below compares Wentzville to the other 1,032 incorporated cities, towns and CDPs in Missouri 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 # 17 98th
Population Density # 112 89th
Diversity Index # 196 81st
Median Household Income # 58 94th
Per Capita Income # 110 89th

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

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