Washington is a city in Franklin County, Missouri, home to about 15,130 people across 9.5 square miles. Its ZIP code is 63090.
Homes sold for a median of $189 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Washington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Washington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)38 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO42 miles away |
| Nearest city of 1 million+ | Chicago, IL287 miles away |
Straight-line distances from the center of Washington; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Washington had 14,500 residents in the 2020 census, up 9% since 2000.
It’s the 61st largest of 1,060 towns in Missouri by population.
Franklin County grew from 30,581 residents in 1900 to 104,682 in 2020.
Franklin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 20°F. About 44.2 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Washington, MO weather station (2 miles away).
35,466 jobs at 2,702 businesses in Franklin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
395 doctors and other health care providers list an office in Washington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 59 |
|---|---|
| Specialist doctors | 90 |
| Dentists | 34 |
| Nurse practitioners and physician assistants | 95 |
| Mental health providers | 44 |
| Physical and occupational therapists | 52 |
| Optometrists | 8 |
| Chiropractors | 13 |
| Pharmacies | 15 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (11 nearby)
Grocery stores (3 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Washington. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Early Learning CenterWashington | Pre-K | 116 | Public | 1.5 mi |
| South Point ElementaryWashington | K–6 | 425 | Public | 4.3 mi |
| Washington West ElementaryWashington | K–6 | 399 | Public | 1.4 mi |
| Washington MiddleWashington | 7–8 | 505 | Public | 0.5 mi |
| Four Rivers Career CenterWashington | 9–12 | — | Career and Technical | 0.2 mi |
| Washington High SchoolWashington | 9–12 | 1,263 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Immanuel LutheranWashington | Pre-K–8 | 149 | Lutheran Church–Missouri Synod | 0.8 mi |
| Our Lady of Lourdes Catholic SchoolWashington | Pre-K–8 | 363 | Roman Catholic | 1.0 mi |
| St Gertude Catholic SchoolWashington | Pre-K–8 | 173 | Roman Catholic | 3.7 mi |
| St Francis Borgia High SchoolWashington | 9–12 | 452 | Roman Catholic | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.