Ste. Genevieve County, MO ZIP codes
Ste. Genevieve County, MO has 3 ZIP codes, in 3 towns: 63670, 63627 and 63673. 1 more crosses into it from a neighbouring county: 63640.
The county seat is Ste. Genevieve.
- ZIP codes
- 3
- Partly in it
- 1 more
- Towns
- 3
- County seat
- Ste. Genevieve
- County FIPS
29186- State
- Missouri
- Population
- 18,571
- Median household income
- $66,339
- Land area
- 499 sq mi
Ste. Genevieve County ZIP codes by town
- Ste. Genevieve (county seat)
- 63670
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Ste. Genevieve County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Ste. Genevieve County.
- 63640 Farmington · mostly in St. Francois County
Map of Ste. Genevieve County ZIP codes
The ZIP codes of Ste. Genevieve County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Ste. Genevieve County in numbers
About 18,571 people live in Ste. Genevieve County, in 7,137 households, the 59th most populous of Missouri's 115 counties. The median household income is $66,339 a year, 6% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $222,200 (4% below the Missouri median), and median gross rent is $780 a month. The median age is 43.3; 16.8% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 32 minutes.
| Population | 18,571 |
|---|---|
| Households | 7,137 |
| Median age | 43.3 |
| Median household income | $66,339 |
| Median home value | $222,200 |
| Median gross rent | $780 |
| Bachelor's degree or higher | 16.8% |
| Mean commute | 31.9 min |
| Population density | 37 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Ste. Genevieve County
| Town | ZIP codes | Population |
|---|---|---|
| Ste. Genevieve | 1 | 5,010 |
| Bloomsdale | 1 | 841 |
| St. Mary | 1 | 285 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Ste. Genevieve County.
- Jefferson County (19)
- St. Francois County (9)
- Randolph County, IL (12)
- Washington County (10)
- Perry County (8)
- Madison County (2)
Not sure you are in Ste. Genevieve County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Ste. Genevieve County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63627 | Bloomsdale , MO | Standard | 2,787 | $88,071 | $266,700 |
63670 | Sainte Genevieve , MO | Standard | 12,293 | $62,679 | $212,500 |
63673 | Saint Mary , MO | Standard | 2,340 | $77,931 | $235,900 |
Cite this page
zipcodes.pro. “Ste. Genevieve County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/ste-genevieve
Underlying data is public domain or openly licensed — sources, vintages and licences.