St. Francois County, Missouri ZIP codes
9 ZIP codes are in St. Francois County, plus 7 that cross in from neighboring counties. It's part of the Farmington, MO micro area.
- ZIP codes
- 9
- Population in these ZIPs
- 69,527
- Avg. median income
- $59,100population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in St. Francois County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 63036 | French Village | 1,001 | $58,083 | $118,200 |
| 63087 | Valles Mines | 1,066 | $60,313 | $282,400 |
| 63601 | Park Hills | 16,389 | $54,753 | $160,600 |
| 63624 | Bismarck | 3,447 | $41,984 | $128,700 |
| 63628 | Bonne Terre | 16,416 | $63,602 | $204,200 |
| 63637 | Doe Run | 759 | $54,926 | $193,800 |
| 63640 | Farmington | 29,263 | $61,913 | $260,600 |
| 63651 PO Box | Knob Lick | — | — | — |
| 63653 | Leadwood | 1,186 | $38,021 | $88,500 |
ZIP codes partly in St. Francois County
These ZIP codes are mostly in a neighboring county but cover part of St. Francois County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 63020 | De Soto | Jefferson County | 20,166 | $70,824 | $244,900 |
| 63028 | Festus | Jefferson County | 28,457 | $79,737 | $303,400 |
| 63626 | Blackwell | Washington County | 588 | $82,599 | $285,900 |
| 63630 | Cadet | Washington County | 4,006 | $52,482 | $209,900 |
| 63645 | Fredericktown | Madison County | 11,554 | $54,747 | $175,800 |
| 63648 | Irondale | Washington County | 1,858 | $51,765 | $195,300 |
| 63650 | Ironton | Iron County | 3,600 | $50,183 | $133,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in St. Francois County
Nearby counties
Frequently asked questions
How many ZIP codes are in St. Francois County, Missouri?
9 ZIP codes are mainly in St. Francois County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in St. Francois County?
ZIP codes in St. Francois County use the city names Bismarck, Bonne Terre, Doe Run, Farmington, French Village, Knob Lick, Leadwood, Park Hills and Valles Mines.
What metro area is St. Francois County in?
St. Francois County is part of the Farmington, MO micropolitan statistical area.