West Alton, MO Profile: Facts, Map & Data


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West Alton, Missouri - Basic Facts

The City of West Alton had a population of 534 as of July 1, 2016. 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.

Beneath the boundary map are tables with West Alton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for West Alton: Westalton.

Neighborhood Data

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City of West Alton, MO Boundary Map

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

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West Alton, MO Data & Demographics (As of July 1, 2016)


Total Population 534
Population in Households 534
Population in Familes 435
Population in Group Qrtrs 0
Population Density1 19
Diversity Index2 7


Total Households 210
Average Household Size 2.54
Family Households 147
Average Family Size 3


Total Housing Units 276 (100%)
Owner Occupied HU 178 (64.5%)
Renter Occupied HU 33 (12.0%)
Vacant Housing Units 66 (23.9%)
Median Home Value $107,895
Average Home Value $138,343


Median Household Income $46,409
Average Household Income $55,503
Per Capita Income $21,860
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.36% 0.74%
Households 0.54% 0.84%
Families 0.33% 0.67%
Median Household Income   1.77%
Per Capita Income   1.61%
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.

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, 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 # 488 53rd
Population Density1 # 1022 1st
Diversity Index2 # 876 16th
Median Household Income # 377 64th
Per Capita Income # 481 54th

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

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