Weldon Spring, MO Profile: Facts, Map & Data


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Weldon Spring, Missouri - Basic Facts

The City of Weldon Spring had a population of 5,670 as of July 1, 2017.

The primary coordinate point for Weldon Spring is located at latitude 38.7094 and longitude -90.6525 in St. Charles County. The formal boundaries for the City of Weldon Spring (see map below) encompass a land area of 7.62 sq. miles and a water area of 0.13 sq. miles. St. Charles County is in the Central time zone (GMT -6). The elevation is 541 feet.

The City of Weldon Spring (GNIS ID: 2397246) 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 Weldon Spring is located within Township of Cottleville, a minor civil division (MCD) of St. Charles County.

Beneath the boundary map are tables with Weldon Spring population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Weldon Spring: Weldon Springs.

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City of Weldon Spring, MO Boundary Map

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

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


Total Population 5,670
Daytime Population: Workers 5,078
Daytime Population: Residents 2,932
Total Daytime Population (TDP) 8,010
Ratio TDP/Total Population1 1.41
Population in Households 5,605
Population in Familes 5,096
Population in Group Qrtrs 65
Population Density2 744
Diversity Index3 16


Median Household Income $106,691
Average Household Income $159,074
Per Capita Income $58,484


Total Housing Units 2,231 (100%)
Owner Occupied HU 1,955 (87.6%)
Renter Occupied HU 192 ( 8.6%)
Vacant Housing Units 83 ( 3.7%)
Median Home Value $348,129
Average Home Value $403,171


Total Households 2,148
Average Household Size 2.61
Family Households 1,732
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 0.57% 0.95%
Households 0.65% 1.0%
Families 1.27% 0.93%
Median Household Income   1.11%
Per Capita Income   1.69%

Weldon Spring, MO - Peer Comparisons by Rank and Percentile

The table below compares Weldon Spring 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 # 131 87th
Population Density # 542 48th
Diversity Index # 387 62nd
Median Household Income # 19 98th
Per Capita Income # 18 98th

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

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