ZIP codes
43
St. Louis County, MO Demographics & ZIP Codes
St. Louis County, Missouri demographics and median household income by ZIP code — 43 ZIP codes — population 985,260 — avg. income $93,154 — avg. home value $306,426. Compare income, housing, and ZIP-level data on US5.
Population
985,260
Median household income (avg.)
$93,154
124% of U.S. median
Average home value
$306,426
88% of U.S. median
Average rent
$1,078
93% of U.S. median
St. Louis County demographics
St. Louis County, Missouri covers 43 ZIP codes, with a combined ZIP-area population of about 985,260.
Median household income in St. Louis County
The average median household income across ZIP codes in St. Louis County, Missouri is about $93,154 — about 42% above the MO ZIP average ($65,505), and about 24% above the U.S. median ($75,149).
Among ZIPs with income data, 63131 (Town and Country) is near the top at about $209,306, while 63133 (Pagedale) is near the bottom at about $36,927.
Housing in St. Louis County
For housing in St. Louis County, Missouri, the average median home value is about $306,426 and the average median rent is about $1,078.
The most populous ZIP is 63021 (Ballwin) with about 56,297 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in St. Louis County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 63021 | Ballwin | St. Louis County | MO | 56,297 | $113,822 | $324,300 |
| 63129 | Oakville | St. Louis County | MO | 51,356 | $91,920 | $278,800 |
| 63031 | Florissant | St. Louis County | MO | 50,258 | $71,783 | $144,500 |
| 63123 | Affton | St. Louis County | MO | 49,826 | $74,187 | $205,300 |
| 63017 | Chesterfield | St. Louis County | MO | 43,074 | $128,750 | $452,000 |
| 63033 | Florissant | St. Louis County | MO | 42,258 | $63,979 | $157,400 |
| 63122 | Kirkwood | St. Louis County | MO | 41,724 | $132,783 | $449,700 |
| 63136 | Jennings | St. Louis County | MO | 41,314 | $40,388 | $77,300 |
| 63011 | Ballwin | St. Louis County | MO | 36,274 | $121,941 | $373,600 |
| 63119 | Webster Groves | St. Louis County | MO | 34,574 | $103,287 | $330,800 |
| 63114 | Overland | St. Louis County | MO | 33,703 | $52,048 | $109,700 |
| 63125 | Lemay | St. Louis County | MO | 32,701 | $59,683 | $166,200 |
| 63146 | Maryland Heights | St. Louis County | MO | 30,917 | $85,724 | $283,600 |
| 63128 | Concord | St. Louis County | MO | 30,106 | $87,266 | $319,700 |
| 63130 | University City | St. Louis County | MO | 29,074 | $81,103 | $285,500 |
| 63121 | Normandy | St. Louis County | MO | 24,571 | $41,285 | $93,900 |
| 63043 | Maryland Heights | St. Louis County | MO | 21,651 | $91,050 | $215,900 |
| 63141 | Creve Coeur | St. Louis County | MO | 20,640 | $122,917 | $571,900 |
| 63137 | Bellefontaine Neighbors | St. Louis County | MO | 19,690 | $45,597 | $79,400 |
| 63005 | Wildwood | St. Louis County | MO | 19,679 | $202,232 | $671,300 |
| 63034 | Old Jamestown | St. Louis County | MO | 19,557 | $110,491 | $234,200 |
| 63135 | Ferguson | St. Louis County | MO | 19,446 | $55,179 | $95,500 |
| 63105 | Clayton | St. Louis County | MO | 18,860 | $119,446 | $735,500 |
| 63138 | Spanish Lake | St. Louis County | MO | 18,736 | $51,714 | $124,500 |
| 63025 | Eureka | St. Louis County | MO | 18,483 | $134,266 | $363,900 |
| 63131 | Town and Country | St. Louis County | MO | 17,993 | $209,306 | $734,300 |
| 63042 | Hazelwood | St. Louis County | MO | 17,953 | $49,384 | $138,800 |
| 63074 | St. Ann | St. Louis County | MO | 16,237 | $51,351 | $119,500 |
| 63126 | Crestwood | St. Louis County | MO | 15,373 | $99,795 | $287,000 |
| 63132 | Olivette | St. Louis County | MO | 13,953 | $84,034 | $403,600 |
| 63134 | Berkeley | St. Louis County | MO | 13,460 | $42,222 | $92,000 |
| 63124 | Ladue | St. Louis County | MO | 11,009 | $188,750 | $967,300 |
| 63044 | Bridgeton | St. Louis County | MO | 10,510 | $76,094 | $232,200 |
| 63144 | Brentwood | St. Louis County | MO | 9,580 | $91,312 | $278,800 |
| 63117 | Richmond Heights | St. Louis County | MO | 9,188 | $86,667 | $330,100 |
| 63143 | Maplewood | St. Louis County | MO | 8,968 | $65,712 | $226,300 |
| 63040 | Wildwood | St. Louis County | MO | 8,826 | $130,139 | $408,800 |
| 63088 | Valley Park | St. Louis County | MO | 8,423 | $62,023 | $231,700 |
| 63038 | Wildwood | St. Louis County | MO | 7,132 | $187,906 | $537,800 |
| 63133 | Pagedale | St. Louis County | MO | 6,375 | $36,927 | $59,200 |
| 63127 | Sunset Hills | St. Louis County | MO | 5,161 | $124,583 | $594,100 |
| 63140 | Kinloch | St. Louis County | MO | 350 | $43,438 | $84,000 |
| 63045 | Bridgeton | St. Louis County | MO | — | — | — |
Frequently asked questions
What are the demographics of St. Louis County?
St. Louis County, Missouri has a combined ZIP-area population of about 985,260 across 43 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in St. Louis County?
The average median household income across ZIP codes in St. Louis County, Missouri is about $93,154, about 42% above the state ZIP average ($65,505), and about 24% above the U.S. median ($75,149). Average median home value is about $306,426. Among ZIPs with data, 63131 (Town and Country) is near the top ($209,306) and 63133 (Pagedale) is near the bottom ($36,927).
How many ZIP codes are in St. Louis County?
St. Louis County, Missouri includes 43 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Louis County?
This page lists ZIP codes in St. Louis County, Missouri with population, median household income, and home value. Select a ZIP for a full demographics profile.