Demographics of Weldon Spring city, Missouri

Weldon Spring city, Missouri had 5,301 people on July 1, 2025, by the Census Bureau’s estimate: −34 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Weldon Spring city, in four figures

5,301
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 5,310 ±33.; −0.6%
Change since July 2020: −34 people.; 52.2 ±5.3
Median age: ACS 2020–⁠2024.; $158,548 ±$13,796
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Weldon Spring city, Missouri's population shrank 0.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Weldon Spring city, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Weldon Spring city, Missouri's population shrank 0.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Weldon Spring city, Missouri's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	5,335	100.0	100.0
2021	5,313	99.6	100.2
2022	5,280	99.0	100.7
2023	5,278	98.9	101.6
2024	5,292	99.2	102.5
2025	5,301	99.4	103.1

Population of Weldon Spring city, Missouri on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	5,335	—
2021	5,313	−22
2022	5,280	−33
2023	5,278	−2
2024	5,292	+14
2025	5,301	+9

Age, 2020–2024

The median age is 52.2 ±5.3: for men 51.6 ±5.7 and for women 52.6 ±6.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Weldon Spring city by age, ACS 2020–2024
Age	People	Share	Missouri	United States
Under 5	118 to 378	2.2% to 7.1%	5.8% ±<0.1	5.6% ±<0.1
5 to 17	813 ±214	15.3% ±4.0	16.6% ±0.1	16.3% ±<0.1
18 to 24	338 ±113	6.4% ±2.1	9.1% ±0.1	9.1% ±<0.1
25 to 44	825 ±208	15.5% ±3.9	26.0% ±0.1	26.9% ±<0.1
45 to 64	1,574 ±252	29.6% ±4.7	24.6% ±0.1	24.8% ±<0.1
65 and over	1,512 ±264	28.5% ±5.0	17.9% ±0.1	17.2% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Income and poverty, 2020–2024

Median household income is $158,548 ±$13,796, and income per person $82,014 ±$9,340, in 2024 dollars. The median is $70,702 ±$325 in Missouri and $80,734 ±$166 in the United States.

Households by income

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Households in Weldon Spring city by income, ACS 2020–2024
Household income	Households	Share	Missouri	United States
Under $25,000	5 to 97	0.3% to 4.7%	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	84 to 282	4.1% to 13.8%	19.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	210 ±92	10.3% ±4.5	17.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	60 to 198	3.0% to 9.7%	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	384 ±151	18.8% ±7.3	17.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	295 ±99	14.5% ±4.8	8.2% ±0.1	9.6% ±<0.1
$200,000 or more	786 ±115	38.6% ±5.2	8.7% ±0.1	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Weldon Spring city by age, ACS 2020–2024
Age	Below poverty	Rate	Missouri	United States
All ages	0 to 96	0% to 1.8%	12.6% ±0.2	12.5% ±0.1
Under 18	0 to 29	0% to 2.8%	15.8% ±0.4	16.1% ±0.1
18 to 59	0 to 17	0% to 0.8%	12.0% ±0.2	11.6% ±0.1
60 and over	0 to 90	0% to 4.5%	10.9% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Weldon Spring city, ACS 2020–2024
Measure	Weldon Spring city	Missouri	United States
Housing units	2,199 ±167	2,825,287 ±1,043	143,775,355 ±10,234
Occupied	92.7% ±8.9	88.8% ±0.2	89.9% ±0.1
Vacant	1.5% to 13.1%	11.2% ±0.2	10.1% ±0.1
Owner occupied	83.4% ±3.6	68.1% ±0.3	65.2% ±0.3
Renter occupied	16.6% ±5.3	31.9% ±0.2	34.8% ±0.1
Median home value	$544,300 ±$44,445	$230,300 ±$880	$332,700 ±$236
Median gross rent	$890 to $4,710	$1,033 ±$6	$1,413 ±$2
Median year built	1995 ±2	1978 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Weldon Spring city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Missouri	United States
Hispanic or Latino	0 to 17	0% to 0.3%	5.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,984 ±249	93.9% ±4.7	76.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 90	0% to 1.7%	10.9% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 444	0% to 8.4%	2.1% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 17	0% to 0.3%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 17	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 72	0% to 1.4%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	15 to 93	0.3% to 1.8%	4.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Weldon Spring city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Missouri	United States
Born in the state	3,632 ±357	68.4% ±6.7	65.6% ±0.2	57.3% ±<0.1
Born in another state	1,419 ±346	26.7% ±6.5	29.1% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 45	0% to 0.8%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	0 to 480	0% to 9.0%	4.5% ±0.1	14.1% ±<0.1
Naturalized citizens	0 to 440	0% to 8.3%	2.3% ±0.1	7.4% ±<0.1
Not citizens	0 to 96	0% to 1.8%	2.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Weldon Spring city among the places of Missouri

139th of 143 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Missouri page.

Places of Missouri near Weldon Spring city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Imperial CDP	5,488 ±1,266
Macon city	5,466 ±44
Waynesville city	5,442 ±23
St. Robert city	5,356 ±21
Caruthersville city	5,326 ±45
Weldon Spring city	5,310 ±33
Wright City city	5,240 ±18
Herculaneum city	5,071 ±19
Savannah city	5,053 ±20
Ste. Genevieve city	5,010 ±43

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026