Zip Code 63090
Washington, Missouri — Franklin County
📍 ZIP code 63090 is in Washington, Franklin County, Missouri.
ZIP code 63090 is located in Washington, Franklin County, Missouri. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 22,471. The area code for ZIP code 63090 is 314.
Quick Answer
Zip code 63090 is in Washington, Missouri (Franklin County). It has a population of 22,471, median household income of $83,966, and median home value of $260,700.
Population
22,471
Income
$83,966
Home Value
$260,700
Climate
88°F / 20°F
About Zip Code 63090
Zip code 63090 is located in Washington, Missouri, within Franklin County. Home to approximately 22,471 residents, this area sits at an elevation of 660 ft and falls within the Central (CST/CDT) timezone. The local area code is 314.
The median household income is $83,966 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $260,700, and the cost of living index is 92 (8% below the national average of 100).
Summers average a high of 88°F while winters drop to 20°F. The area receives about 44 in of rain and 8 in of snow annually. The zip code covers 81.7 square miles of land area and 2 square miles of water.
Key Statistics
22,471
$83,966
$260,700
Central (CST/CDT)
314
660 ft
81.7 sq mi
43.2
9,745
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Compare With Nearby Zip Codes
| Metric | 63090 | 63084 | 63357 | 63332 | 63089 | 63013 |
|---|---|---|---|---|---|---|
| City | Washington, MO | Union, MO | Marthasville, MO | Augusta, MO | Villa Ridge, MO | Beaufort, MO |
| Population | 22,471 | 20,511 | 6,593 | 1,676 | 5,930 | 1,204 |
| Median Income | $83,966 | $72,332 | $87,500 | $137,083 | $70,981 | $105,526 |
| Home Value | $260,700 | $221,800 | $242,500 | $385,600 | $211,400 | $304,800 |
| Cost of Living | 92 | 82 | 93 | 144 | 74 | 117 |
| Median Age | 43.2 | 37.5 | 38.1 | 41.9 | 36 | 43.8 |
Cost of Living
100 = National Average. Washington's cost of living is 8% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.1x
Demographics
Zip code 63090 has a population of 22,471 people with a median age of 43.2. There are 9,745 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Washington (63090) population trend from 2010 to 2024
↓ -11.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
20°F
44 in
8 in
Washington experiences warm summers with average highs around 88°F. Winters are cold with lows averaging 20°F. The area receives about 8 in of snow per year.
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Housing & Economy
Median Home Value
$260,700
Median Household Income
$83,966
With 9,745 housing units across 81.7 square miles, 63090 has a housing density of 119 units per square mile. The home price-to-income ratio is 3.1x.
Location & Geography
Latitude
38.5355°
Longitude
-91.0487°
Land Area
81.7 sq mi
Water Area
2 sq mi
Nearby Zip Codes
Zip codes closest to 63090 (Washington, MO) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 63090's $83,966. A way to compare Washington to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 63090 (Washington, MO). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Washington, Missouri?
Washington, Missouri uses zip code 63090.
What county is zip code 63090 in?
Zip code 63090 is located in Franklin County, Missouri.
What is the population of zip code 63090?
The population of zip code 63090 is 22,471 with a median age of 43.2.
Is 63090 in Washington, Missouri?
Yes, zip code 63090 is in Washington, Franklin County, Missouri. The area code is 314.
Frequently Asked Questions
What city is zip code 63090 in?
Zip code 63090 is in Washington, Missouri. It is part of Franklin County and uses the Central (CST/CDT) timezone.
What is zip code 63090?
Zip code 63090 is a U.S. postal code in Washington, Missouri (Franklin County). It has a population of 22,471 and covers 81.7 square miles.
What is the population of zip code 63090?
The population of zip code 63090 (Washington, MO) is 22,471 with a median age of 43.2. There are approximately 9,745 housing units in this area.
What is the median income in zip code 63090?
The median household income in zip code 63090 (Washington, MO) is $83,966 per year. The cost of living index is 92 (100 = national average).
What is the average home price in zip code 63090?
The median home value in zip code 63090 (Washington, MO) is $260,700. The cost of living index is 92 compared to the national average of 100.
What county is zip code 63090 in?
Zip code 63090 is located in Franklin County, Missouri. The primary city is Washington.
What is the area code for zip code 63090?
Zip code 63090 in Washington, MO uses area code 314. It is located in the Central (CST/CDT) timezone.
Is zip code 63090 a good place to live?
Zip code 63090 (Washington, MO) has a cost of living index of 92 (100 = national average), a median household income of $83,966, and median home values of $260,700. The median age is 43.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 63090?
The cost of living index for zip code 63090 (Washington, MO) is 92, where 100 represents the national average. This area is below the national average. Median home value: $260,700.
What schools serve zip code 63090?
Zip code 63090 in Washington, Missouri is served by the local school district of Franklin County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.