Weldon Spring, MO Profile: Facts & Data


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Weldon Spring, Missouri - Basic Facts

The City of Weldon Spring had a population of 5,736 as of July 1, 2018.

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.

Alternate Unofficial Names for Weldon Spring: Weldon Springs.

Jump to... (On This Page!)
  1. Weldon Spring 2018 Demographic Data
  2. Growth Rates for Weldon Spring (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.


Weldon Spring, MO Data & Demographics (As of July 1, 2018)


Total Population 5,736
Population in Households 5,671
Population in Familes 5,151
Population in Group Qrtrs 65
Population Density2 753
Diversity Index3 16


Median Household Income $112,018
Average Household Income $160,804
Per Capita Income $58,978


Total Housing Units 2,247 (100%)
Owner Occupied HU 2,011 (89.5%)
Renter Occupied HU 161 ( 7.2%)
Vacant Housing Units 75 ( 3.3%)
Median Home Value $360,856
Average Home Value $414,451


Total Households 2,172
Average Household Size 2.61
Family Households 1,753
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 0.64% 1.08%
Households 0.7% 1.1%
Families 1.27% 1.03%
Median Household Income   1.67%
Per Capita Income   2.0%

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, 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 # 130 88th
Population Density # 535 48th
Diversity Index # 393 62nd
Median Household Income # 15 99th
Per Capita Income # 17 98th

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

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