Weldon Spring, Missouri

2026 Edition · 10 cards · data as of Oct 30, 2026

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  1. Population

    Down 0.6% since 2020.

    5,301

    people, the 130th-largest of Missouri's cities and towns.

    Census Population Estimates, 2025. Rank among Missouri's cities and towns computed by the Almanac. Sources: Census Population Estimates

  2. The workday

    Nearly every job here goes to someone who lives somewhere else.

    98.5%

    of 3,427 jobs located in Weldon Spring are filled by in-commuters.

    Census LEHD LODES, 2023. Sources: Census LEHD LODES

  3. Rent

    Median rent is up 98% since the 2005–2009 survey, before inflation.

    $2,800

    a month. Missouri's median is $1,033.

    Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Sources: Census ACS 5-year

  4. The seam

    Cross one tract line and median rent doubles.

    A $1,806 gap between neighbors, the sharpest rent edge between adjacent tracts in St. Charles County.

    • $1,585 Tract 3111.22
    • $3,391 Tract 3111.03

    Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year

  5. Room to build

    The median rent is above what local wages can carry.

    $1,170–$1,755

    is the monthly rent range local workforce wages support.

    • $2,800 median

    Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year

  6. Building

    72% of the housing here was built before 2000.

    • 72% of all homes were built before 2000

    Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year

  7. Units needed

    Closing the gap would add 0.2–1.5% to the 2,199 homes here.

    4–34

    is the estimated number of missing housing units, from the lowest to the highest of three estimates.

    Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac

  8. Home value

    A median home costs 136% more than Missouri's.

    $544,300

    median home value in Weldon Spring.

    • $544,300 Weldon Spring
    • $230,300 Missouri
    • $332,700 U.S.

    Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year

More from here

ZIP codes in Weldon Spring