Residential delivery area · Missouri

ZIP Code 63631: Caledonia, MO

ZIP code 63631 uses the postal name Caledonia, Missouri and lies mostly in Washington County (65% of its land) with the rest in Iron County (Census 2020 ZIP-county file). About 540 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,211 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Caledonia; more than 99% is outside any Census place.

  • ACS2020-24
  • Census2020
  • ZBP2023
  • IRS2022
6national area: Missouri, Illinois, Kansas and Nebraska
636sectional center: St Louis, MO (SCF 630)
31delivery area within it
Town
Caledonia · its only residential ZIP
County
Washington County (65%); Iron County (35%)
Census places
Caledonia
House districts
MO-3 (65%), MO-8 (35%) 119th Congress, by share of land
Time zone
Central
Land area
41.2 sq mi · 13 people per sq mi

Where is ZIP code 63631?

63631 centers on 37.755°, -90.788° and covers 41.2 square miles of land plus 0.0 of water. It borders 6 ZIP codes: 63648, 63622, 63623, 63624, 63650, 63664.

63622 · Belgrade63623 · Belleview63624 · Bismarck63648 · Irondale63650 · Ironton63664 · Potosi63631 · Caledonia (this ZIP)6363163664636506362363624636226364863622 · Belgrade63623 · Belleview63624 · Bismarck63648 · Irondale63650 · Ironton63664 · Potosi63631 · Caledonia (this ZIP)6363163664636506362363624636226364863622 · Belgrade63623 · Belleview63624 · Bismarck63648 · Irondale63650 · Ironton63664 · Potosi63631 · Caledonia (this ZIP)63631636646365063623636246362263648
Shaded by median household income, in national fifths (ACS 2020-2024); 63631 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 63631, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 63631 compare with the rest of Washington County?

Rank of 63631 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure63631In Washington CountyIn MO
People (ACS 2020-2024)54415th of 16758th of 1,035
Median household income$74knot rankednot ranked
Median home value$128knot rankednot ranked

63631's income and home value are not ranked: it has fewer than 1,000 residents (544). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 20% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 63631?

The 2020 Census counted 754 people in 63631; the ACS, which samples households over 2020-2024, estimates 544. Between the 2010 and 2020 censuses its population fell 11.2% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
544±156 (90% margin)
2020 Census count
754−11.2% since 2010 (849)
Households
266
Median age
56.1

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 63631?

Of the 544 people the ACS estimates in 63631, 12.9% are under 18 and 36.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.2%).

  • Under 1812.9%
  • 18 to 6450.6%
  • 65 and older36.6%
Age of the people of 63631 (ACS 2020-2024, B01001)
  • White, not Hispanic95.2%
  • Other or two or more4.0%
  • Hispanic or Latino0.4%
  • Asian, not Hispanic0.4%
  • Black, not Hispanic0.0%
Race and Hispanic origin in 63631 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 63631 earn?

Median household income is $74,211 (ACS 2020-2024). It is not measurably different from 2015-2019 ($74,930 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$74,211±$15,260
Income per person
$33,161
Below the poverty line
9.7%
Unemployed (of the labor force)
1.5%
Adults 25+ with a bachelor's degree
14.4%
Adjusted gross income per tax return, 2022
$53,048330 returns; wages 76% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 63631?

Median home value (owners' estimate)
$127,500
Median gross rent
$790
Homes owned by their occupants
82.7%
Housing units
308

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).

What businesses are in 63631?

15 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction4
  • Retail trade3

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 63631?

ZIP codes that share a boundary with 63631, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
63648Irondale1,858$52k6.3 mi
63622Belgrade764$32k7.0 mi
63623Belleview895$45k8.3 mi
63624Bismarck3,447$42k8.4 mi
63650Ironton3,600$50k13.1 mi
63664Potosi9,693$61k13.2 mi
63656Middle Brook576$47k10.9 mi (near)
63663Pilot Knob649$45k11.8 mi (near)
63660Mineral Point2,784$51k12.0 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.