Caledonia ZIP Code List — Washington County, MO

There is one unique ZIP code in Caledonia, Missouri and it is 63631. Area code: 573.
1
ZIP codes
41.24
sq mi land
0.03
sq mi water
573
area code
Caledonia, MO ZIP code map

About Caledonia, MO

Caledonia is a charming small town located in Missouri, specifically in Washington County. Known for its picturesque landscapes and close-knit community, Caledonia offers a tranquil environment that attracts both residents and visitors alike. The town is characterized by its rich history and a variety of outdoor recreational opportunities, making it a pleasant getaway in the heart of Missouri.

Location & geography

Caledonia sits northeast of the larger city of Potosi, approximately 14 miles away, and is surrounded by beautiful natural features. The area covers a significant land area of 41.24 square miles, with a small water area of 0.03 square miles, providing ample outdoor space for activities. Its terrain consists mostly of rolling hills and woodlands, which contribute to the scenic beauty of the region.

Community & economy

The character of Caledonia is rooted in its friendly atmosphere and community-oriented lifestyle, where residents often gather for local events and festivals. The town’s economy is primarily supported by small businesses and agriculture, reflecting traditional Missouri industries. Daily life in Caledonia embraces both rural charm and modern conveniences, making it an appealing place for families and individuals seeking a slower pace.

Transportation

Caledonia is accessible via U.S. Route 67, which connects it to major cities in the region and facilitates easy travel for residents and tourists. The nearest airport is the Farmington Regional Airport, located about 30 miles away, providing essential air travel services. Public transit options may be limited, but local amenities are easily reachable by car.

History

Founded in the mid-19th century, Caledonia has played a significant role in the development of Washington County. Historically, the town was influenced by surrounding industries such as mining and agriculture, which were key to its growth. Over the years, Caledonia has preserved much of its heritage, with notable events highlighting its history and community spirit.

Did you know?

One surprising fact about Caledonia is its unique blend of cultures, influenced by various ethnic groups that settled in the area over the years. Additionally, the town's small size belies its vibrant community, which actively engages in preserving local traditions and promoting tourism.

ZIP codes for Caledonia, MO (1)
ZIP code City County Map
63631 Caledonia Washington View map

Demographics & statistics

774
Population
50.8
Median age
$71,174
Median household income
$35,013
Per capita income
$145,700
Median home value
$793
Median monthly rent
83.9%
Home ownership
10.1%
Poverty rate
0.0%
Unemployment
355
Housing units
12.4%
Bachelor's or higher

Age distribution

Male Female
12
Under 5
13
14
5–9
15
2
10–14
2
5
15–19
6
28
20–24
31
38
25–34
42
56
35–44
62
58
45–54
63
66
55–59
72
23
60–64
25
22
65–74
25
33
75–84
36
12
85+
13
← Male
Female →

Age summary

GroupCount%
Under 18668.5%
18 and over70891.5%
65 and over14118.2%
Median age50.8 years

Race & ethnicity

White 95.3%
Two or more races 2.8%
Hispanic or Latino 1.9%
GroupCount%
White75295.3%
Two or more races222.8%
Hispanic or Latino151.9%

Household income

Under $10k 3.2%
$10k–$15k 6.7%
$15k–$25k 6.5%
$25k–$35k 2.6%
$35k–$50k 16.4%
$50k–$75k 19.6%
$75k–$100k 33.1%
$100k–$150k 1.5%
$200k+ 10.3%
Range% of households
Under $10k3.2%
$10k–$15k6.7%
$15k–$25k6.5%
$25k–$35k2.6%
$35k–$50k16.4%
$50k–$75k19.6%
$75k–$100k33.1%
$100k–$150k1.5%
$200k+10.3%
Median income$71,174

Housing

Home values

Under $50k 24.8%
$50k–$100k 12.2%
$100k–$150k 15.4%
$150k–$200k 22.0%
$200k–$300k 9.8%
$300k–$500k 15.7%

Housing overview

MetricValue
Median home value$145,700
Median rent / month$793
Owner occupied83.9%
Renter occupied16.1%
Vacant16.8%
Single-family detached83.9%
Large apartment buildings0.0%
Mobile homes13.7%
Median rooms5.7
Avg household size (owned)2.26

Year built

Era%
2020 or later0.5%
2010–20191.2%
2000–20092.2%
1990–199917.3%
1980–19898.5%
1970–197916.1%
1960–196915.4%
1950–195911.0%
1940–19498.3%
1939 or earlier19.5%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom8.8%
2 bedrooms33.9%
3 bedrooms30.0%
4 bedrooms17.6%
5+ bedrooms9.8%

Vehicles per household

Vehicles% of households
No vehicle5.9%
1 vehicle18.2%
2 vehicles25.2%
3 or more50.7%

Heating fuel

Fuel type%
Utility gas1.2%
Electricity40.8%
Propane / LP gas36.7%
Wood21.4%

Households & families

Household typeCount%
Married-couple family20961.3%
Cohabiting couple51.5%
Male householder, no spouse5716.7%
Female householder, no spouse7020.5%
Households with children under 184312.6%
Households with seniors (65+)11232.8%
Average household size2.27

Marital status

StatusMaleFemale
Never married16.8%21.1%
Married63.0%57.1%
Separated1.8%1.8%
Widowed2.4%2.3%
Divorced15.9%17.7%

Education

Less than 9th grade 3.4%
Some HS, no diploma 9.8%
HS graduate 47.2%
Some college, no degree 12.5%
Associate's degree 14.7%
Bachelor's degree 5.4%
Graduate / professional 7.0%
Metric%
HS diploma or higher86.8%
Bachelor's or higher12.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2217.6%
Kindergarten118.8%
Elementary school1512.0%
High school1411.2%
College / grad school6350.4%

Employment

Industry of employment

Finance & real estate 21.1%
Education & healthcare 16.4%
Construction 13.1%
Retail trade 13.1%
Transportation & utilities 10.1%
Manufacturing 7.4%
Agriculture & mining 6.0%
Other services 3.9%
Arts, food & hospitality 3.6%
Professional & management 2.4%
Public administration 2.4%
Wholesale trade 0.6%

Occupation

Category%
Management, business & arts22.9%
Service8.3%
Sales & office46.1%
Natural resources & construction13.1%
Production & transportation9.5%

Employment type

Type%
Private sector79.8%
Government11.6%
Self-employed8.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone84.4%
Carpool12.6%
Public transit0.0%
Walk0.0%
Other means1.8%
Avg commute (minutes)39.4

Poverty

All people 10.1%
Under 18 years 19.7%
18 and over 9.2%
Married-couple families 9.6%
Female-led households 3.9%

Income support

Source% of households
Social Security42.5%
Retirement income25.5%
Supplemental Security16.1%
Cash public assistance8.5%
Food stamps / SNAP15.8%

Health indicators

Condition%
High blood pressure35.6%
High cholesterol36.8%
Heart disease8.0%
Stroke3.6%
Asthma10.0%
Arthritis30.7%
Kidney disease3.2%
Pulmonary disease10.1%
Cancer7.0%
Behavior / access%
Binge drinking16.6%
No physical activity28.4%
Less than 7 hrs sleep34.4%
Fair or poor health18.7%
Poor mental health16.5%
Poor physical health13.5%
No health insurance16.9%
Visited doctor (checkup)73.6%
Visited dentist55.9%
Cholesterol screening88.4%
Teeth loss20.6%

Veterans & disability

VeteransCount%
Civilian veterans365.1%
Disability%
Any disability28.4%
Under 1810.6%
18–64 years23.5%
65 and over56.7%

Health insurance coverage

Type%
Private insurance66.7%
Public insurance34.8%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only74996.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)77299.7%
Born in same state76999.4%
Born in different state65684.8%
Foreign born30.4%
Naturalized citizen20.3%
Not a US citizen2100.0%

Ancestry

AncestryCount%
Italian13116.9%
French8811.4%
AncestryCount%
Arab384.9%

Technology access

Metric% of households
Computer access44.1%
Internet access88.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What is the ZIP code for Caledonia, MO?
Caledonia, MO has one ZIP code: 63631.
What is the main ZIP code for Caledonia, MO?
The primary ZIP code for Caledonia, MO is 63631. The city uses area code 573 for phone service.
What county is Caledonia, MO in?
Caledonia is located in Washington County, Missouri.
How many ZIP codes are in Caledonia, MO?
Caledonia, MO has 1 ZIP code.
What is the ZIP code for downtown Caledonia, Missouri?
Downtown Caledonia is located in ZIP code 63631, which serves as the primary commercial and civic center of this Washington County community.
If I'm sending mail to a business in Caledonia, MO, what ZIP code should I use?
All addresses in Caledonia, Missouri use the ZIP code 63631, as it is the only ZIP code assigned to this city.
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