Wentzville, MO Profile: Facts, Map & Data


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Wentzville, Missouri - Basic Facts

The City of Wentzville had a population of 34,044 as of July 1, 2016. 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, 2016.

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, 2016)


Total Population 34,044
Population in Households 33,907
Population in Familes 30,347
Population in Group Qrtrs 137
Population Density1 1,725
Diversity Index2 25


Total Households 11,386
Average Household Size 2.98
Family Households 9,075
Average Family Size 3


Total Housing Units 11,966 (100%)
Owner Occupied HU 9,454 (79.0%)
Renter Occupied HU 1,932 (16.1%)
Vacant Housing Units 580 ( 4.8%)
Median Home Value $219,489
Average Home Value $250,640


Median Household Income $73,941
Average Household Income $90,325
Per Capita Income $30,723
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.61% 2.04%
Households 2.54% 2.03%
Families 2.42% 1.98%
Median Household Income   2.08%
Per Capita Income   1.94%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 Density1 # 132 87th
Diversity Index2 # 194 81st
Median Household Income # 65 94th
Per Capita Income # 103 90th

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

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