West Alton, MO Profile: Facts & Data


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West Alton, Missouri - Basic Facts

The City of West Alton had a population of 542 as of July 1, 2018. West Alton ranks in the lower 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 West Alton is located at latitude 38.8629 and longitude -90.2039 in St. Charles County. The formal boundaries for the City of West Alton (see map below) encompass a land area of 28.81 sq. miles and a water area of 8.25 sq. miles. St. Charles County is in the Central time zone (GMT -6). The elevation is 440 feet.

The City of West Alton (GNIS ID: 2397259) 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 West Alton is located within Township of Rivers, a minor civil division (MCD) of St. Charles County.

Alternate Unofficial Names for West Alton: Westalton.

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  1. West Alton 2018 Demographic Data
  2. Growth Rates for West Alton (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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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.


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


Total Population 542
Population in Households 542
Population in Familes 439
Population in Group Qrtrs 0
Population Density2 19
Diversity Index3 7


Median Household Income $46,962
Average Household Income $58,192
Per Capita Income $22,778


Total Housing Units 279 (100%)
Owner Occupied HU 185 (66.3%)
Renter Occupied HU 28 (10.0%)
Vacant Housing Units 67 (24.0%)
Median Home Value $128,889
Average Home Value $158,967


Total Households 212
Average Household Size 2.56
Family Households 149
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 0.46% 0.8%
Households 0.53% 0.83%
Families 0.41% 0.79%
Median Household Income   3.65%
Per Capita Income   3.62%

West Alton, MO - Peer Comparisons by Rank and Percentile

The table below compares West Alton 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 # 484 53rd
Population Density # 1022 1st
Diversity Index # 859 17th
Median Household Income # 444 57th
Per Capita Income # 561 46th

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

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