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zipcodes.pro — CITY/MO/ST-CLAIR

St. Clair ZIP code, Missouri

The ZIP code for St. Clair, MO is 63077, and its area code is 636.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
4,789
Area code
636

Also written Saint Clair, the spelling the Postal Service uses.

Mail addressed to St. Clair uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

St. Clair in numbers

About 4,789 people live in St. Clair, in 2,034 households. The median household income is $41,820 a year, 41% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $157,700 (32% below the Missouri median), and median gross rent is $1,011 a month. The median age is 37.6; 9.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 29 minutes.

Population4,789St. Clair4,789
Households2,034St. Clair2,034
Median age37.6St. Clair37.6Missouri39.0US 38.9
Median household income$41,820St. Clair$41,820Missouri$70,702US $80,734
Median home value$157,700St. Clair$157,700Missouri$230,300US $332,700
Median gross rent$1,011St. Clair$1,011Missouri$1,033US $1,413
Bachelor's degree or higher9.5%St. Clair9.5%Missouri32.4%US 35.7%
Mean commute29.4 minSt. Clair29.4 minMissouri23.5 minUS 26.4 min
Population density994 / sq miSt. Clair994 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place St. Clair city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Saint Clair

ZIP codes with the USPS city name Saint Clair
ZIP City Type Population Median income Median home
63077 Saint Clair , MO Standard 11,391 $56,281 $178,200

Other ZIP codes overlapping St. Clair

These ZIP codes cover part of St. Clair but are addressed as somewhere else.

ZIP codes overlapping St. Clair
ZIP City Type Population Median income Median home
63084 Union , MO Standard 20,708 $75,992 $226,900

Map of St. Clair ZIP codes

63077

The ZIP codes of St. Clair, MO, 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.

Towns near St. Clair

The nearest larger towns are Union (12,781 people, 6.3 mi), Sullivan (6,310 people, 13 mi) and Washington (15,130 people, 14 mi).

Towns near St. Clair
TownPopulationDistance
Union 12,781 6.3 mi
Villa Ridge 2,835 10.2 mi
Sullivan 6,310 13.1 mi
Gray Summit 2,991 13.9 mi
Washington 15,130 14.2 mi
Pacific 7,475 16.1 mi
New Haven 3,302 21.6 mi
Eureka 13,081 21.6 mi
Byrnes Mill 3,189 23.6 mi
Wildwood 35,133 23.8 mi
Hillsboro 3,500 24.4 mi
High Ridge 3,714 26.1 mi
Owensville 2,806 27.3 mi
De Soto 6,470 27.4 mi

More nearby: every ZIP code in Franklin County · Missouri ZIP codes

Cite this page

zipcodes.pro. “St. Clair, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/st-clair

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