Area Code Profile
636, MO
Browse ZIP codes and key stats for 636, Missouri: population, households, income, education, health coverage, and more.
Area Code details
Local time 00:42:40(CT)| Location | 636, MO |
|---|---|
| Population (ZIP areas) | 1,048,485(sum of local ZIP code populations) |
| Total ZIP codes | 69total |
| ZIP codes (by type) | 64 Standard5 PO Box |
| Cities Covered | |
| Counties Covered |
Map of area code 636
ZIP codes in area code 636
69 ZIP codes covered by this area code.
Cities served by area code 636
64 cities covered by this area code.
| City | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| O Fallon | 2 | $110,443 | 91,316 |
| Saint Charles | 4 | $85,937 | 70,493 |
| Saint Peters | 1 | $91,637 | 57,732 |
| Florissant | 4 | $65,318 | 52,533 |
| Chesterfield | 3 | $133,037 | 49,999 |
| Wentzville | 1 | $112,394 | 44,372 |
| Wildwood | 2 | $161,060 | 35,417 |
| Ballwin | 4 | $124,626 | 31,103 |
| Arnold | 1 | $78,370 | 20,858 |
| Lake Saint Louis | 1 | $125,693 | 16,707 |
| Washington | 1 | $79,173 | 14,500 |
| House Springs | 1 | — | 14,136 |
| Festus | 1 | $73,532 | 12,706 |
| Troy | 1 | $79,012 | 12,686 |
| Union | 1 | $73,435 | 12,348 |
| Eureka | 1 | $108,394 | 11,646 |
| Warrenton | 1 | $61,031 | 8,429 |
| Pacific | 1 | $62,860 | 7,414 |
| Valley Park | 1 | $67,898 | 6,885 |
| De Soto | 1 | $52,500 | 6,449 |
| Pevely | 1 | $56,000 | 6,026 |
| Barnhart | 1 | $95,811 | 5,832 |
| Cottleville | 1 | $131,310 | 5,611 |
| Wright City | 1 | $80,152 | 4,881 |
| Dittmer | 1 | — | 4,844 |
| Saint Clair | 1 | $41,820 | 4,791 |
| Crystal City | 1 | $72,598 | 4,740 |
| Herculaneum | 1 | $93,438 | 4,672 |
| Imperial | 1 | $90,028 | 4,407 |
| High Ridge | 1 | $70,917 | 4,242 |
| Cadet | 1 | — | 4,169 |
| Fenton | 2 | $101,000 | 3,989 |
| Hillsboro | 1 | $77,500 | 3,473 |
| Moscow Mills | 1 | $73,468 | 3,317 |
| Robertsville | 1 | — | 3,063 |
| Gray Summit | 1 | $65,667 | 3,055 |
| Villa Ridge | 1 | $73,826 | 2,601 |
| Labadie | 1 | — | 2,394 |
| Catawissa | 1 | — | 2,317 |
| Lonedell | 1 | — | 2,027 |
| Cedar Hill | 1 | $60,625 | 1,875 |
| Beaufort | 1 | — | 1,663 |
| Winfield | 1 | $75,766 | 1,518 |
| Marthasville | 1 | $112,083 | 1,245 |
| Blackwell | 1 | — | 935 |
| Truesdale | 1 | $58,750 | 853 |
| Saint Albans | 1 | — | 762 |
| Jonesburg | 1 | $74,821 | 726 |
| Hawk Point | 1 | $51,667 | 676 |
| Foristell | 1 | $116,581 | 550 |
| New Melle | 1 | $114,375 | 541 |
| Grubville | 1 | — | 483 |
| West Alton | 1 | $111,500 | 359 |
| Portage Des Sioux | 1 | $62,188 | 335 |
| Augusta | 1 | $103,750 | 270 |
| High Hill | 1 | $63,750 | 186 |
| Luebbering | 1 | — | 172 |
| Defiance | 1 | — | 159 |
| Kimmswick | 1 | $68,750 | 133 |
| Tiff | 1 | — | 119 |
| Foley | 1 | $66,250 | 89 |
| Truxton | 1 | — | 59 |
| Hematite | 1 | — | 28 |
| Liguori | 1 | — | — |
Counties served by area code 636
8 counties covered by this area code.
| County | ZIP codes | Median incomeHousehold | Population |
|---|---|---|---|
| St. Louis County | 89 | $82,936 | 1,004,125 |
| St. Charles County | 16 | $104,692 | 405,262 |
| Jefferson County | 16 | $82,851 | 226,739 |
| Franklin County | 20 | $73,165 | 104,682 |
| Lincoln County | 11 | $89,278 | 59,574 |
| Warren County | 4 | $81,209 | 35,532 |
| Washington County | 10 | $56,043 | 23,514 |
| Montgomery County | 8 | $65,500 | 11,322 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS