Washington County, Missouri ZIP Codes
9 ZIP codes serving a population of 21,367
Washington County in Missouri encompasses 9 ZIP codes with a combined population of 21,367 residents. The average median household income across the county's ZIP codes is $57,341, and the average median home value is $132,543.
About 11.0% of adults in Washington County hold a bachelor's degree or higher. The average unemployment rate is 4.5%. The county's strongest housing value is ZIP code 63631, where the home-value-to-income ratio is 1.72x. The county includes 9 cities: Belgrade, Cadet, Caledonia, Fletcher, Irondale, Mineral point, Potosi, Richwoods, and more .
Cities in Washington County
All ZIP Codes in Washington County
| ZIP Code | City | Population | Median Income | Home Value |
|---|---|---|---|---|
| 63030 | Fletcher | 557 | $91,042 | $183,300 |
| 63071 | Richwoods | 1,113 | $44,853 | $122,900 |
| 63622 | Belgrade | 764 | $31,750 | N/A |
| 63630 | Cadet | 4,006 | $52,482 | $149,800 |
| 63631 | Caledonia | 544 | $74,211 | $127,500 |
| 63648 | Irondale | 1,858 | $51,765 | $99,500 |
| 63660 | Mineral Point | 2,784 | $51,410 | $119,700 |
| 63664 | Potosi | 9,693 | $61,216 | $125,100 |
| 63674 | Tiff | 48 | N/A | N/A |