Wentzville, MO Profile: Facts, Map & Data


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Wentzville, Missouri - Basic Facts

The City of Wentzville had a population of 36,014 as of July 1, 2017. 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 38.8165 and longitude -90.8708 in St. Charles County. The formal boundaries for the City of Wentzville (see map below) 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.

Beneath the boundary map are tables with Wentzville 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 Wentzville, MO Boundary Map

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Boundary Maps: Township of Wentzville | St. Charles County | Missouri Counties

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Wentzville, MO Data & Demographics (As of July 1, 2017)


Total Population 36,014
Daytime Population: Workers 15,178
Daytime Population: Residents 18,581
Total Daytime Population (TDP) 33,759
Ratio TDP/Total Population1 0.94
Population in Households 35,876
Population in Familes 32,094
Population in Group Qrtrs 138
Population Density2 1,825
Diversity Index3 25


Median Household Income $76,655
Average Household Income $93,825
Per Capita Income $31,786


Total Housing Units 12,584 (100%)
Owner Occupied HU 9,914 (78.8%)
Renter Occupied HU 2,088 (16.6%)
Vacant Housing Units 581 ( 4.6%)
Median Home Value $221,010
Average Home Value $251,344


Total Households 12,003
Average Household Size 2.99
Family Households 9,573
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 3.04% 2.32%
Households 2.93% 2.29%
Families 2.84% 2.24%
Median Household Income   1.94%
Per Capita Income   2.76%

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, 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 # 20 98th
Population Density # 119 89th
Diversity Index # 191 82nd
Median Household Income # 59 94th
Per Capita Income # 115 89th

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

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