Washington ZIP Code List — Franklin County, MO

There is one unique ZIP code in Washington, Missouri and it is 63090. Area code: 636.

ZIP codes

81.54

sq mi land

1.76

sq mi water

636

area code

Washington, MO ZIP code map

About Washington, MO

Washington, MO, is a charming city located in Franklin County, Missouri. Known for its historic downtown area, Washington offers a unique blend of small-town charm and modern amenities. The city is a great place for families and individuals alike, featuring various parks and recreational activities.

Location & geography

Washington is situated approximately 50 miles west of St. Louis, making it an ideal spot for those looking to escape the hustle and bustle of the city. Nearby cities include Union, only about 10 miles to the southwest, and Hermann at roughly 18 miles to the northwest. The city encompasses a total land area of 81.54 square miles, with 1.76 square miles dedicated to water, providing a mix of scenic landscape and local waterways.

Community & economy

The community of Washington is characterized by its friendly atmosphere and a strong sense of local pride. The economy benefits from various industries, including manufacturing and retail, contributing to a vibrant daily life that is enhanced by local events and festivals. Residents enjoy the balance of suburban living with a strong community focus, fostering a spirit of collaboration and support.

Transportation

Washington is accessible via several major highways, including U.S. Route 66, which connects the city to other parts of Missouri. The nearest airport is the MidAmerica St. Louis Airport, located about 40 miles away, making it convenient for both travel and commerce. Public transit options may be limited, but the city’s layout allows for easy navigation by car.

History

Washington was founded in the early 19th century and has since developed a rich history tied to the region's growth. Key industries have included agriculture and manufacturing, which have played significant roles in shaping the local economy. Noteworthy events in the city’s progress include its growth during the 20th century as a center for trade and commerce in Franklin County.

Did you know?

One surprising fact about Washington, MO, is its beautiful historic downtown area, which features numerous preserved buildings and charming boutiques. Additionally, the city hosts the annual Washington Town and Country Fair, attracting visitors from all over the region.

ZIP codes for Washington, MO (1)

ZIP code	City	County	Map
63090	Washington	Franklin	View map

Demographics & statistics

22,105

Population

42.5

Median age

$79,373

Median household income

$41,555

Per capita income

$231,600

Median home value

$812

Median monthly rent

77.1%

Home ownership

5.3%

Poverty rate

3.6%

Unemployment

7,530

Housing units

30.0%

Bachelor's or higher

Age distribution

Male Female

508

Under 5

543

554

5–9

591

646

10–14

690

861

15–19

919

674

20–24

721

1,205

25–34

1,287

1,195

35–44

1,276

1,420

45–54

1,518

811

55–59

867

764

60–64

817

1,277

65–74

1,364

539

75–84

576

233

85+

249

← Male

Female →

Age summary

Group	Count	%
Under 18	4,834	21.9%
18 and over	17,271	78.1%
65 and over	4,238	19.2%
Median age	42.5 years

Race & ethnicity

White 89.6%

Two or more races 5.5%

Hispanic or Latino 4%

Other race 0.4%

Black or African American 0.2%

Asian 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	20,631	89.6%
Two or more races	1,259	5.5%
Hispanic or Latino	918	4%
Other race	86	0.4%
Black or African American	55	0.2%
Asian	50	0.2%
Native Hawaiian / Pacific Islander	13	0.1%

Household income

Under $10k 3.2%

$10k–$15k 3.6%

$15k–$25k 5.8%

$25k–$35k 6.2%

$35k–$50k 12.3%

$50k–$75k 15.4%

$75k–$100k 13.5%

$100k–$150k 20.5%

$150k–$200k 9.5%

$200k+ 10.1%

Range	% of households
Under $10k	3.2%
$10k–$15k	3.6%
$15k–$25k	5.8%
$25k–$35k	6.2%
$35k–$50k	12.3%
$50k–$75k	15.4%
$75k–$100k	13.5%
$100k–$150k	20.5%
$150k–$200k	9.5%
$200k+	10.1%
Median income	$79,373

Housing

Home values

Under $50k 2.5%

$50k–$100k 5.0%

$100k–$150k 11.9%

$150k–$200k 20.7%

$200k–$300k 27.2%

$300k–$500k 25.0%

$500k–$1M 6.7%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$231,600
Median rent / month	$812
Owner occupied	77.1%
Renter occupied	22.9%
Vacant	5.1%
Single-family detached	74.1%
Large apartment buildings	1.4%
Mobile homes	2.0%
Median rooms	5.8
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.8%
2010–2019	9.5%
2000–2009	15.5%
1990–1999	13.7%
1980–1989	12.3%
1970–1979	18.0%
1960–1969	5.8%
1950–1959	5.8%
1940–1949	5.4%
1939 or earlier	13.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	5.7%
2 bedrooms	24.1%
3 bedrooms	47.8%
4 bedrooms	16.5%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	6.0%
1 vehicle	25.3%
2 vehicles	41.4%
3 or more	27.3%

Heating fuel

Fuel type	%
Utility gas	18.9%
Electricity	68.8%
Propane / LP gas	7.7%
Fuel oil	2.2%
Wood	2.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,950	54.2%
Cohabiting couple	648	7.1%
Male householder, no spouse	1,656	18.1%
Female householder, no spouse	1,875	20.5%
Households with children under 18	2,740	30.0%
Households with seniors (65+)	2,931	32.1%
Average household size	2.40

Marital status

Status	Male	Female
Never married	32.9%	25.5%
Married	53.8%	54.1%
Separated	2.1%	0.8%
Widowed	2.4%	10.2%
Divorced	8.8%	9.4%

Education

Less than 9th grade 2.4%

Some HS, no diploma 4.2%

HS graduate 25.7%

Some college, no degree 23.0%

Associate's degree 14.8%

Bachelor's degree 18.3%

Graduate / professional 11.7%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	30.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	270	5.4%
Kindergarten	136	2.7%
Elementary school	2,182	43.3%
High school	1,398	27.8%
College / grad school	1,048	20.8%

Employment

Industry of employment

Education & healthcare 22.5%

Manufacturing 20.2%

Retail trade 11.1%

Construction 8.6%

Professional & management 8.6%

Arts, food & hospitality 7.4%

Finance & real estate 5.9%

Other services 4.0%

Transportation & utilities 3.4%

Wholesale trade 3.2%

Public administration 3.2%

Information 1.4%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	42.1%
Service	9.3%
Sales & office	19.0%
Natural resources & construction	13.1%
Production & transportation	16.5%

Employment type

Type	%
Private sector	89.0%
Government	6.5%
Self-employed	4.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.7%
Carpool	5.7%
Public transit	0.1%
Walk	2.4%
Other means	0.6%
Avg commute (minutes)	23.8

Poverty

All people 5.3%

Under 18 years 6.2%

18 and over 5.1%

Married-couple families 1.7%

Female-led households 7.1%

Income support

Source	% of households
Social Security	35.2%
Retirement income	27.9%
Supplemental Security	4.5%
Cash public assistance	0.8%
Food stamps / SNAP	5.5%

Health indicators

Condition	%
High blood pressure	30.3%
High cholesterol	35.0%
Heart disease	6.6%
Stroke	2.9%
Asthma	9.1%
Arthritis	27.2%
Kidney disease	2.7%
Pulmonary disease	7.4%
Cancer	7.2%

Behavior / access	%
Binge drinking	17.4%
No physical activity	22.6%
Less than 7 hrs sleep	32.7%
Fair or poor health	13.6%
Poor mental health	14.7%
Poor physical health	10.5%
No health insurance	13.9%
Visited doctor (checkup)	73.8%
Visited dentist	66.1%
Cholesterol screening	89.3%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,425	8.3%

Disability	%
Any disability	13.0%
Under 18	6.2%
18–64 years	11.0%
65 and over	27.6%

Health insurance coverage

Type	%
Private insurance	75.9%
Public insurance	29.8%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,054	95.2%
Spanish	166	0.8%
Other Indo-European	21	0.1%
Asian & Pacific Islander	136	0.6%
Other languages	9	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,936	99.2%
Born in same state	21,818	98.7%
Born in different state	17,435	78.9%
Foreign born	118	0.5%
Naturalized citizen	169	0.8%
Not a US citizen	35	20.7%

Ancestry

Ancestry	Count	%
Italian	2,990	13.5%
Arab	1,891	8.6%
French	1,754	7.9%
English	196	0.9%
Irish	75	0.3%

Ancestry	Count	%
Polish	48	0.2%
German	42	0.2%
Dutch	36	0.2%
Norwegian	25	0.1%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	93.7%

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

Frequently asked questions

What is the ZIP code for Washington, MO?

Washington, MO has one ZIP code: 63090.

What is the main ZIP code for Washington, MO?

The primary ZIP code for Washington, MO is 63090. The city uses area code 636 for phone service.

What county is Washington, MO in?

Washington is located in Franklin County, Missouri.

How many ZIP codes are in Washington, MO?

Washington, MO has 1 ZIP code.

What ZIP code should I use for mailing packages to the historic Washington downtown area and Main Street district?

The downtown Washington area, including Main Street and the historic district, uses ZIP code 63090.

What is the ZIP code for Washington High School and the central Franklin County area in Washington, Missouri?

Washington High School and the central Franklin County area are located in ZIP code 63090.