HomeMissouriSt. Charles CountyWeldon Spring
Weldon Spring, Missouri: commercial real estate data.
Weldon Spring is a Census city of 5,310 people across 7.65 square miles of land, in St. Charles County. Median household income is $158,548, 83.4 percent of occupied homes are owned, and the SBA record carries 6 7(a) approvals to borrowers here worth $3.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Weldon Spring
What Weldon Spring is
- Census place typecity
- Land area7.65 sq mi
- Water area0.13 sq mi
- Population per square mile of land694
- County holding the largest share of its areaSt. Charles County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Weldon Spring
How many people live in Weldon Spring
- Population5,310
- Median age52.2
- Population under 181,061 plus or minus 250
- Share under 1820.0 percent plus or minus 4.7
- Population 65 and over1,512
- Share 65 and over28.5 percent
- Households2,038
- Family households1,640
- Share of households that are families80.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Weldon Spring
Income and work in Weldon Spring
- Median household income$158,548
- Per capita income$82,014
- Civilian labor force2,407
- Employed2,305
- Unemployed102 plus or minus 72
- Unemployment rate4.2 percent plus or minus 3.0
- Adults 25 and over3,911
- Adults 25 and over with a high school diploma or higher98.4 percent
- Adults 25 and over with a bachelor degree or higher57.9 percent
- Adults 25 and over with a graduate degree25.9 percent plus or minus 6.3
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Weldon Spring
Housing in Weldon Spring
- Housing units2,199
- Occupied units2,038
- Vacant units161 plus or minus 128
- Vacancy rate7.3 percent plus or minus 5.8
- Owner occupied1,699
- Renter occupied339 plus or minus 110
- Ownership rate83.4 percent
- Median owner-occupied home value$544,300
- Median gross rent, monthly$2,800 plus or minus $1,910
- Annual rent as a share of median income21.2 percent plus or minus 14.6
- Single family units1,814
- Share single family82.5 percent
- Units in buildings of two or more385 plus or minus 153
- Share in buildings of two or more17.5 percent plus or minus 6.9
- Mobile homes0
- Median year structure built1995
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Weldon Spring
How Weldon Spring gets to work
- Workers 16 and over who commute1,587 plus or minus 318
- Commuting under 15 minutes369 plus or minus 149
- Share commuting under 15 minutes23.3 percent plus or minus 8.2
- Commuting 30 minutes or more507 plus or minus 203
- Share commuting 30 minutes or more31.9 percent plus or minus 11.1
- Drove alone65.3 percent
- Carpooled3.5 percent plus or minus 2.7
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home31.1 percent plus or minus 7.4
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Weldon Spring
SBA loans in Weldon Spring (7(a))
- Approvals6
- Gross approval$3,432,400
- Average approval$572,067
- Median approval$401,150
- Largest approval$1,789,000
- Jobs supported38
- Jobs per approval6.3
- Loans with a final outcome0
- Paid in full0
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more0.0 percent
- Share to franchises16.7 percent
- Distinct lenders4
- Distinct industries by NAICS3
Counted by borrower city: approvals to borrowers whose address is in Weldon Spring, in any county, FY2020 to FY2026. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Weldon Spring
SBA loans in Weldon Spring (504)
- Approvals6
- Gross approval$2,260,000
- Average approval$376,667
- Median approval$402,000
- Largest approval$450,000
- Jobs supported42
- Loans with a final outcome1
- Charged off0
- Median term240 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in Weldon Spring, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Weldon Spring
Flood risk in Weldon Spring
- NFIP communityCity of Weldon Spring
- NFIP community number290901
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date01/20/16
The City of Weldon Spring participates in the National Flood Insurance Program as community 290901 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
St. Charles County, not Weldon Spring
St. Charles County context, not Weldon Spring figures
- Establishments in St. Charles County8,946
- Covered employment, St. Charles County162,611
- Average annual pay, St. Charles County$60,105
- Housing units permitted, St. Charles County2,040
Every figure in this section is published for St. Charles County as a whole and is not a measurement of Weldon Spring.
All St. Charles County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Weldon Spring questions, answered from the record.
How many people live in Weldon Spring, Missouri?
5,310, in 2,038 households. Weldon Spring city covers 7.65 square miles of land, which is 694 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Weldon Spring in?
St. Charles County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Weldon Spring?
$158,548. The median owner-occupied home is valued at $544,300. Median gross rent is $2,800 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Weldon Spring businesses?
6 7(a) approvals totaling $3.4 m since FY2020, across 4 lenders, median approval $401,150, plus 6 504 approvals worth $2.3 m since FY2010. These count approvals to borrowers whose address is in Weldon Spring, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Weldon Spring borrowers get paid back?
No rate is published for Weldon Spring. Only 0 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Weldon Spring in the National Flood Insurance Program?
Yes. Weldon Spring appears in the FEMA Community Status Book as Weldon Spring, city of, community 290901, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Weldon Spring figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for St. Charles County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Weldon Spring.
Is zoning published for Weldon Spring?
No. Nothing on this page presents parcel level zoning.