Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/MO/COUNTY/ST-FRANCOIS

St. Francois County, MO ZIP codes

There are 9 ZIP codes in St. Francois County, MO, in 9 towns, from 63036 to 63653. The largest are 63640 (Farmington), 63601 (Park Hills) and 63628 (Bonne Terre). 2 more cross into it from neighbouring counties: 63645 and 63650.

The county seat is Farmington.

ZIP codes
9
Partly in it
2 more
Towns
9
County seat
Farmington
County FIPS
29187
Population
66,999
Median household income
$57,477
Land area
452 sq mi
Area codes
235, 573
Metro area
Farmington

St. Francois County ZIP codes by town

Farmington (county seat)
63640

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 St. Francois County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of St. Francois County.

Map of St. Francois County ZIP codes

The ZIP codes of St. Francois 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.

St. Francois County in numbers

About 66,999 people live in St. Francois County, in 24,816 households, the 17th most populous of Missouri's 115 counties. The median household income is $57,477 a year, 19% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $169,300 (26% below the Missouri median), and median gross rent is $794 a month. The median age is 39.5; 17.2% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 26 minutes.

Population66,999St. Francois66,999
Households24,816St. Francois24,816
Median age39.5St. Francois39.5Missouri39.0US 38.9
Median household income$57,477St. Francois$57,477Missouri$70,702US $80,734
Median home value$169,300St. Francois$169,300Missouri$230,300US $332,700
Median gross rent$794St. Francois$794Missouri$1,033US $1,413
Bachelor's degree or higher17.2%St. Francois17.2%Missouri32.4%US 35.7%
Mean commute25.9 minSt. Francois25.9 minMissouri23.5 minUS 26.4 min
Population density148 / sq miSt. Francois148 / 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 St. Francois County

Largest towns in St. Francois County
TownZIP codesPopulation
Farmington 1 18,282
Park Hills 1 8,678
Bonne Terre 1 6,683
Bismarck 1 1,508
Leadwood 1 1,354
Valles Mines 1 1,066
French Village 1 1,001
Doe Run 1 775
Knob Lick 1 41

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 St. Francois County.

Not sure you are in St. Francois County? What county am I in? answers from your location, near a county line included.

Every ZIP code in St. Francois County, with figures

ZIP codes in St. Francois County
ZIP City Type Population Median income Median home
63036 French Village , MO Standard 1,001 $58,083 $200,300
63087 Valles Mines , MO Standard 1,066 $60,313 $217,200
63601 Park Hills , MO Standard 16,389 $54,753 $126,300
63624 Bismarck , MO Standard 3,447 $41,984 $90,400
63628 Bonne Terre , MO Standard 16,416 $63,602 $189,100
63637 Doe Run , MO Standard 759 $54,926 $152,500
63640 Farmington , MO Standard 29,263 $61,913 $216,700
63651 Knob Lick , MO No street area — — —
63653 Leadwood , MO Standard 1,186 $38,021 $53,900

Cite this page

zipcodes.pro. “St. Francois County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/st-francois

Underlying data is public domain or openly licensed — sources, vintages and licences.