What city is ZIP code 63623?

ZIP code 63623 is in Caledonia, MO (Iron County).

What county is ZIP code 63623 in?

ZIP code 63623 is mostly in Iron County, Missouri.

How many people live in ZIP code 63623?

About 895 people live in the 63623 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 63623

Caledonia, MO, Iron County

Population

895

Land area

105.9sq mi

People per sq mi

City

Caledonia

ZIP 63623 and nearby ZIP codes

Full map

ZIP 63623 at a glance

ZIP 63623 (Caledonia) is 91% less dense than Missouri as a whole.
The median household income is $44,844, 37% below the Missouri median of $70,702.
A typical owner-occupied home is valued at $140,600 (39% below Missouri) and median rent is $809 a month.

Local data for ZIP 63623

Counts from official public data

Housing and community stats

ZIP 63623, American Community Survey 2020-2024

Full profile

Median household income

$44,844

Poverty rate

35.1%

Median home value

$140,600

Median rent

$809/mo

Homeownership

73.3%

Bachelor's or higher

14.0%

Median age

47.9

Average commute

34.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

153

$4.8M annual payroll

PPP loans

$1.2M

47 loans

Campaign donations

$1,257

0% D, 87% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 63623, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: heat wave

Storm events since 1996

294

Countywide, mostly thunderstorm wind

Flood insurance policies

0.5% of homes, county

July high / Jan low

86° / 21°F

45.5 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 63623, CDC PLACES estimates

All 40 measures

Obesity

43.5%

U.S. 33.3% +10.2 pts

Diabetes

17.0%

U.S. 12.1% +4.9 pts

Smoking

22.3%

U.S. 12.8% +9.5 pts

Uninsured (18-64)

10.1%

U.S. 11.1% -1.0 pts

Frequently asked questions

What city is ZIP code 63623?: ZIP code 63623 is in Caledonia, MO (Iron County).
What county is ZIP code 63623 in?: ZIP code 63623 is mostly in Iron County, Missouri.
How many people live in ZIP code 63623?: About 895 people live in the 63623 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.