Washington, MO ZIP Codes
One ZIP code serves Washington, Missouri: 63090. Together they are home to 23,258 residents in 9,819 households. That is more than the 15,130 people counted inside Washington city limits, because these ZIP codes reach past its boundary.
Washington city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 15,130 |
| Households | 6,702 |
| Median household income | $79,173 |
| Median home value | $231,800 |
| Median age | 43.1 |
| Median rent | $827 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 23,258 |
| Households (sum of ZIP codes) | 9,819 |
| Median household income, range across ZIP codes | $85,025 (63090) to $85,025 (63090) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $85,025 |
| Homeowners | 76.5% |
| Households with kids under 18 | 28.9% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | 19 routes, 10,807 homes (1 of 1 ZIP codes) |
Every ZIP code in Washington
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63090 | Washington | 23,258 | 9,819 | $85,025 | $273,600 | 76.5% | 28.9% | 9.0% | 19 | 11,733 | 12% of its land; mailing city |
A ZIP code is listed for Washington when at least 10% of its land lies inside Washington city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Washington. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Washington.
Counties
- Franklin County — 21 ZIP codes
Price a mailing to Washington ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Washington, MO?
- 63090. A ZIP code is listed for Washington when at least 10% of its land lies inside Washington city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Washington.
- What is the population of Washington, MO?
- The Census Bureau counts 15,130 residents inside Washington city limits (ACS 2020–2024). The 1 ZIP code that serve Washington hold 23,258 residents in all.
- What is the median household income in Washington, MO?
- $79,173 inside Washington city limits, per the Census Bureau. Across its ZIP codes the medians run from $85,025 to $85,025.
- How many carrier routes and mailboxes are in Washington, MO?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 19 carrier routes reaching 10,807 residential and 926 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.