County

Washington County, MO

8 ZIP codes  ·  8 cities  ·  Missouri

👥20,634Population
💰$51,498Median HH Income▼ 33% below avg
🎂39.9Median Age
🏠$114,843Median Home Value▼ 59% below avg
🎓23.7%College Grads▼ 39% below avg
📊4.1%Unemployment▼ 17% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 51.3% Female 48.9% ♀

Race & Ethnicity

White: 91%Hispanic: 1.2%Black: 3.6%Asian: 0.3%Other: 5.4%Race
White91.0%
Hispanic1.2%
Black3.6%
Asian0.3%
Other5.4%

Age Breakdown

Under 5
6%
5–17
17%
18–24
8%
25–44
24%
45–64
27%
65+
7%

Key Indicators

Median Age39.9 yrs
Avg HH Size2.59
Below Poverty18.0% ▲ 80% above avg
College Grads23.7% ▼ 39% below avg
Unemployment4.1% ▼ 17% below avg
No HS Diploma59 (0.5%)
HS Graduate5,512 (44.8%)
Some College2,340 (19%)
Associates1,483 (12.1%)
Bachelors1,142 (9.3%)
Graduate Degree1,763 (14.3%)

Education

No HS: 0.5%HS Grad: 44.8%Some College: 19%Associates: 12.1%Bachelors: 9.3%Graduate: 14.3%Edu
No HS0.5%
HS Grad44.8%
Some College19.0%
Associates12.1%
Bachelors9.3%
Graduate14.3%
Housing & Income

Housing Tenure

Owner: 76.5%Renter: 23.5%Tenure
Owner76.5%
Renter23.5%

Home Value Distribution

Under $50k
25%
$50k–$100k
18%
$100k–$150k
16%
$150k–$200k
13%
$200k–$300k
13%
$300k–$500k
9%
Over $500k
6%

Financials

Median HH Income$51,498 ▼ 33% below avg
Median Home Value$114,843 ▼ 59% below avg
Home/Income Ratio2.2x (nat avg ~3.5x)
Median Rent$719/mo
Total Housing Units9,097
Vacant Units1,364

Income Distribution

Under $25k
24%
$25k–$50k
20%
$50k–$75k
19%
$75k–$100k
15%
$100k–$150k
13%
$150k–$200k
6%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
95%
Public Transit
0%
Walked
1%
Work From Home
4%

Commute Time

Under 15 min
25%
15–30 min
23%
30–45 min
19%
Over 45 min
33%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
9%
1960s–1970s
15%
1980s–1990s
19%
2000+
57%
About Washington County, MO

Washington County is located in Missouri and encompasses 8 ZIP codes spanning 8 cities and communities. The county has an estimated population of 20,634 residents. With a median age of 39.89, it is a middle-aged county.

Washington County has a working-class economic profile. The median household income of $51,497 is below the national average. Unemployment stands at 4.1%, below the national average. The poverty rate of 18.0% is significantly above the national average, indicating economic challenges.

Housing in Washington County is one of the more affordable housing markets in the country, with a median home value of $114,843 — well below the national average. Monthly median rent is approximately $719. Homeownership rates are high at 76.5%, reflecting a largely residential, stable population.

The residents of Washington County are primarily White (91.04%). Educational attainment is less-educated — 23.7% of adults hold a bachelor's degree or higher, below the national average.

Washington County, MO is a working-class area in Missouri. The 8 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Washington County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
63622 Belgrade 782 $48,065 $105,000 $624 5.4% 42.8%
63630 Cadet 3,765 $50,896 $111,600 $807 2.5% 23.1%
63631 Caledonia 687 $72,344 $138,100 $763 0.0% 31.6%
63648 Irondale 1,483 $37,298 $93,600 $832 6.9% 23.6%
63660 Mineral Point 3,489 $55,981 $101,300 $704 1.6% 10.4%
63664 Potosi 9,060 $52,071 $122,800 $659 3.6% 27.5%
63071 Richwoods 1,315 $44,539 $122,900 $829 16.3% 18.8%