Postal Codes

63631 ZIP Code

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ZIP code 63631 covers Caledonia, Missouri, with a population of about 687 and a median household income of $72,344.

Population
68717 per square mile
Median age
47.68.9 points above the US average
Median household income
$72,344about the Missouri median
Poverty rate
14.7%2.3 points above the US average
Typical home value
$248,121up 42.2% in five years
Median rent
$76323% below the Missouri median
Degree or higher
9.7%25.3 points below the US average
Homeownership
87.8%22.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
15

Where 63631 is

Caledonia, Missouri — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population687
Median age47.6
Family households70.4%
Born outside the US0.9%
Speaks a language other than English at home1%
White (non-Hispanic)96.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.1%
Hispanic or Latino0.3%
Veterans4.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$72,344
Income per person$38,183
Poverty rate14.7%
Households on SNAP or cash assistance17.4%

Household income distribution

Under $10k0.6%
$10–15k9.3%
$15–20k4.8%
$20–25k2.6%
$25–30k5.1%
$30–35k1.3%
$35–40k1.6%
$40–45k1.9%
$45–50k5.1%
$50–60k10.0%
$60–75k7.7%
$75–100k31.5%
$100–125k3.2%
$125–150k1.0%
$150–200k3.9%
$200k or more10.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed330
Mean adjusted gross income$53,048
Returns declaring $200,000 or more0%
Returns, under $25k30.3%
Returns, $25k–$50k30.3%
Returns, $50k–$75k15.2%
Returns, $75k–$100k12.1%
Returns, $100k–$200k12.1%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$138,100
Median gross rent$763
Owner-occupied87.8%
Vacant homes18.2%
Median year built1974

What the homes are

Detached house80.5%
Attached house1.6%
2 to 4 units1.6%
5 to 19 units1.3%
Mobile home15%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$248,121as of 2026-07
Typical home value, 1 yearup 13.7%
Typical home value, 5 yearsup 42.2%
Typical home value since 2000
202120232026$248,121$174,512

$174,512 in 2021 to $248,121 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher9.7%
High school diploma or higher92.3%
Works from home0%
Drives to work alone87.7%
Takes public transport0%
Commutes 45 minutes or more37.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity41.3% 7.9 pts above the national average of 33.4%
Diagnosed diabetes14.8% 2.8 pts above the national average of 12%
Currently smokes21.4% 8.2 pts above the national average of 13.2%
High blood pressure41.6% 7.5 pts above the national average of 34.1%
Fair or poor general health25.7% 5.4 pts above the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression26.1% 4.2 pts above the national average of 21.9%
No leisure-time physical activity34% 8.6 pts above the national average of 25.4%
Arthritis34% 8.9 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication79.4% 4.7 pts above the national average of 74.7%
Cancer (non-skin)9.7% 2 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening83.3% 2.6 pts below the national average of 85.9%
Cognitive disability19.8% 5 pts above the national average of 14.8%
Colorectal screening65.1% 0.8 pts above the national average of 64.3%
COPD11.7% 5.1 pts above the national average of 6.6%
Visited a dentist55.8% 5.5 pts below the national average of 61.3%
Any disability41.6% 10.9 pts above the national average of 30.7%
Lacks emotional support19.5% 5.3 pts below the national average of 24.8%
Food insecurity16.1% 1 pts below the national average of 17.1%
Received food stamps14.1% same as the national average of 14.3%
Hearing disability10.5% 3.8 pts above the national average of 6.7%
High cholesterol40.8% 4.6 pts above the national average of 36.2%
Housing insecurity12.5% 1.3 pts below the national average of 13.8%
Independent living disability11.2% 2.8 pts above the national average of 8.4%
Lacks transport9.2% same as the national average of 9.2%
Loneliness30.5% 3.9 pts below the national average of 34.4%
Mammography use73.4% 2.5 pts below the national average of 75.9%
Poor mental health (14+ days)18.8% 2 pts above the national average of 16.8%
Mobility disability20.2% 6.2 pts above the national average of 14%
Poor physical health (14+ days)17.5% 4 pts above the national average of 13.5%
Self-care disability5.2% 1.2 pts above the national average of 4%
Utility shut-off threat9.7% 0.9 pts above the national average of 8.8%
Sleeps under 7 hours40.6% 4.2 pts above the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost18.7% 5.7 pts above the national average of 13%
Vision disability6.3% 0.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments15
People employed99
Annual payroll$1,892,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 96.1% of US census tracts
FEMA ratingRelatively High to Very High across the 2 census tracts this ZIP code covers
Expected annual loss92.8 out of 100
Community resilience18 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Heat wave99.6Very High at its worst in this ZIP code
Cold wave99.2Very High at its worst in this ZIP code
Strong wind95.8Very High at its worst in this ZIP code
Landslide95.4Relatively Moderate at its worst in this ZIP code
River flooding93.1Very High at its worst in this ZIP code
Tornado90.1Very High at its worst in this ZIP code
Wildfire87.1Relatively Low at its worst in this ZIP code
Lightning87Very High at its worst in this ZIP code
Winter weather84.3Relatively High at its worst in this ZIP code
Earthquake84Relatively Moderate at its worst in this ZIP code
Drought82.3Relatively Low at its worst in this ZIP code
Hail80.3Relatively Moderate at its worst in this ZIP code
Ice storm79.1Relatively Moderate at its worst in this ZIP code
Hurricane44.3Very Low at its worst in this ZIP code
Compared with Missouri and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMissouriUnited States
Median household income$72,344$68,920$78,538
Income per person$38,183$38,497$43,289
Poverty rate14.7%12.6%12.4%
Median home value$138,100$215,600$303,400
Median gross rent$763$996$1,348
Homeownership87.8%67.9%65%
Bachelor's degree or higher9.7%31.9%35%
Unemployment rate0%4.1%5.2%
Works from home0%11.6%13.5%
Born outside the US0.9%4.4%13.9%
Median age47.638.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPOTOSI 4 SW, MO US17.1 km away
Rain in a year45 in
Snow in a year12 in

Average high and low by month

January39.6°F / 21.4°F2.84 in rain, 3.6 in snow
February45.3°F / 25.2°F2.69 in rain, 2.9 in snow
March55.1°F / 33.5°F4.09 in rain, 1.9 in snow
April66.3°F / 44.3°F5.11 in rain
May74°F / 54.1°F5.29 in rain
June81.9°F / 62.8°F4.15 in rain
July86°F / 66.7°F3.64 in rain
August85.2°F / 65°F4 in rain
September77.8°F / 56.9°F3.89 in rain
October67.5°F / 46.2°F3.07 in rain
November54.1°F / 35.3°F3.72 in rain, 0.7 in snow
December43.4°F / 26.4°F2.97 in rain, 2.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Valley R-VI School District72.8% of this ZIP code's land area
Belleview R-III School District27.2% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability61more vulnerable than 61% of US census tracts
Socioeconomic status58more vulnerable than 58% of US census tracts
Household characteristics76more vulnerable than 76% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

63648 Irondale, MO8.2 km away
63623 Belleview, MO10.4 km away
63622 Belgrade, MO10.9 km away
63624 Bismarck, MO12.6 km away
63660 Mineral Point, MO17 km away
63653 Leadwood, MO17 km away
63663 Pilot Knob, MO17.6 km away
63650 Ironton, MO20.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washington County64.5% of this ZIP code's land area
Iron County35.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area41.24 sq mi
Water area0.03 sq mi
Population density17 people per sq mi
Latitude, longitude37.7639, -90.7409

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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