St. Louis County, MO ZIP Codes
46 ZIP codes cover all or part of St. Louis County, Missouri. The Census Bureau counts 995,569 residents in the county, with a median household income of $82,936 and a median home value of $276,800. Median household income ranges from $39,293 in 63133 to $225,493 in 63131. Its largest communities include St. Louis, Florissant, Chesterfield, Oakville and Wildwood.
St. Louis County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 995,569 |
| Households | 413,849 |
| Median household income | $82,936 |
| Median home value | $276,800 |
| Median age | 40.3 |
| Median rent | $1,209 |
All 46 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,060,972 |
| Households (sum of ZIP codes) | 440,611 |
| Median household income, range across ZIP codes | $39,293 (63133) to $225,493 (63131) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $92,322 |
| Homeowners | 69.7% |
| Households with kids under 18 | 28.2% |
| Moved in the past year | 11.7% |
| Carrier routes in EDDM2GO's route library | 1,021 routes, 454,009 homes (44 of 46 ZIP codes) |
Top facts
- Highest median household income in St. Louis County: 63131 ($225,493)
- Most residents: 63021 (55,666 people)
- Highest homeownership: 63038 (93.8% own their home)
- Most households with kids: 63025 (41.0% of households)
- Most new movers: 63105 (25.0% moved in last year)
- Youngest median age: 63134 (28.7 years)
- Highest median home value: 63124 ($988,600)
Every ZIP code in St. Louis County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 63021 | Ballwin | 55,666 | 22,131 | $120,177 | $349,500 | 80.7% | 32.7% | 9.0% | 38 | 23,214 | 100% of its land |
| 63129 | Saint Louis | 51,553 | 21,301 | $94,888 | $295,600 | 79.2% | 26.5% | 10.1% | 43 | 23,225 | 100% of its land |
| 63031 | Florissant | 50,196 | 19,408 | $70,811 | $154,300 | 72.3% | 30.3% | 9.5% | 35 | 19,859 | 100% of its land |
| 63123 | Saint Louis | 49,077 | 21,755 | $77,055 | $219,400 | 74.9% | 23.3% | 10.3% | 45 | 23,665 | 95% of its land |
| 63026 | Fenton | 45,354 | 17,488 | $97,553 | $294,400 | 80.3% | 31.7% | 9.4% | 32 | 19,731 | 50% of its land |
| 63017 | Chesterfield | 43,243 | 17,957 | $127,095 | $466,100 | 75.9% | 28.5% | 13.4% | 37 | 20,145 | 100% of its land |
| 63033 | Florissant | 43,056 | 17,660 | $66,776 | $173,700 | 66.6% | 28.3% | 10.8% | 31 | 18,258 | 100% of its land |
| 63122 | Saint Louis | 41,634 | 16,686 | $136,385 | $474,300 | 81.9% | 33.6% | 8.1% | 55 | 18,959 | 100% of its land |
| 63136 | Saint Louis | 40,929 | 17,457 | $41,154 | $84,400 | 46.9% | 29.9% | 13.0% | 40 | 18,486 | 96% of its land |
| 63011 | Ballwin | 35,920 | 14,437 | $124,454 | $400,900 | 82.1% | 31.0% | 10.2% | 29 | 16,517 | 100% of its land |
| 63119 | Saint Louis | 34,181 | 14,476 | $106,183 | $351,100 | 73.2% | 27.1% | 9.8% | 41 | 15,689 | 99% of its land |
| 63114 | Saint Louis | 33,969 | 15,031 | $55,870 | $116,800 | 58.2% | 26.9% | 10.3% | 37 | 16,048 | 100% of its land |
| 63125 | Saint Louis | 33,294 | 13,820 | $61,624 | $178,600 | 72.2% | 26.7% | 11.5% | 36 | 15,557 | 99% of its land |
| 63146 | Saint Louis | 30,678 | 14,551 | $84,756 | $301,700 | 57.5% | 23.2% | 14.4% | 30 | 16,573 | 100% of its land |
| 63128 | Saint Louis | 30,540 | 13,032 | $92,359 | $338,700 | 79.3% | 23.4% | 8.6% | 29 | 13,756 | 100% of its land |
| 63130 | Saint Louis | 28,910 | 12,580 | $85,823 | $316,100 | 62.9% | 21.1% | 16.7% | 33 | 13,574 | 98% of its land |
| 63121 | Saint Louis | 25,008 | 11,142 | $42,701 | $95,600 | 51.6% | 22.4% | 15.9% | 24 | 11,310 | 100% of its land |
| 63043 | Maryland Heights | 21,924 | 9,402 | $91,509 | $227,600 | 69.6% | 26.2% | 14.1% | 22 | 10,597 | 100% of its land |
| 63141 | Saint Louis | 20,932 | 8,751 | $133,851 | $620,900 | 67.7% | 24.4% | 12.3% | 32 | 10,707 | 100% of its land |
| 63005 | Chesterfield | 19,779 | 7,134 | $198,469 | $701,600 | 90.4% | 36.0% | 8.5% | 18 | 8,526 | 97% of its land |
| 63137 | Saint Louis | 19,684 | 8,104 | $43,422 | $82,900 | 47.8% | 33.9% | 22.1% | 16 | 7,705 | 85% of its land |
| 63025 | Eureka | 19,508 | 6,911 | $125,676 | $391,500 | 83.2% | 41.0% | 13.7% | 12 | 7,680 | 57% of its land |
| 63034 | Florissant | 18,908 | 6,670 | $103,905 | $239,300 | 91.0% | 33.3% | 7.8% | 13 | 7,216 | 100% of its land |
| 63105 | Saint Louis | 18,875 | 7,088 | $116,439 | $766,300 | 55.9% | 25.7% | 25.0% | 28 | 8,751 | 96% of its land |
| 63135 | Saint Louis | 18,381 | 7,997 | $52,328 | $107,400 | 54.2% | 29.2% | 12.8% | 17 | 8,431 | 100% of its land |
| 63138 | Saint Louis | 18,233 | 7,339 | $56,096 | $139,100 | 49.9% | 31.3% | 13.7% | 14 | 7,594 | 99% of its land |
| 63131 | Saint Louis | 17,935 | 6,511 | $225,493 | $778,100 | 93.7% | 37.2% | 9.0% | 25 | 7,413 | 100% of its land |
| 63042 | Hazelwood | 17,813 | 8,593 | $49,453 | $149,400 | 52.0% | 19.5% | 14.5% | 20 | 9,004 | 100% of its land |
| 63049 | High Ridge | 16,592 | 6,458 | $92,333 | $224,700 | 88.0% | 28.9% | 6.7% | 11 | 7,286 | 20% of its land |
| 63074 | Saint Ann | 15,793 | 6,976 | $51,610 | $132,700 | 53.4% | 30.1% | 10.8% | 13 | 7,266 | 100% of its land |
| 63069 | Pacific | 15,697 | 6,416 | $78,185 | $292,100 | 74.8% | 25.8% | 9.5% | 12 | 6,826 | 33% of its land |
| 63126 | Saint Louis | 15,452 | 6,208 | $98,852 | $306,300 | 86.1% | 30.3% | 6.7% | 16 | 6,931 | 100% of its land |
| 63132 | Saint Louis | 14,283 | 5,997 | $87,385 | $417,000 | 55.6% | 33.2% | 14.6% | 18 | 7,266 | 100% of its land |
| 63134 | Saint Louis | 13,059 | 4,851 | $44,680 | $94,700 | 54.5% | 37.9% | 17.2% | 13 | 5,718 | 100% of its land |
| 63124 | Saint Louis | 10,839 | 4,832 | $193,942 | $988,600 | 76.1% | 27.6% | 13.5% | 16 | 5,522 | 100% of its land |
| 63044 | Bridgeton | 10,324 | 4,328 | $77,819 | $238,100 | 68.4% | 31.8% | 9.9% | 16 | 5,128 | 100% of its land |
| 63144 | Saint Louis | 9,505 | 4,769 | $104,438 | $304,700 | 59.3% | 22.0% | 12.2% | 15 | 5,743 | 100% of its land |
| 63117 | Saint Louis | 9,261 | 4,440 | $90,921 | $348,700 | 54.2% | 21.7% | 20.1% | 14 | 5,722 | 94% of its land |
| 63143 | Saint Louis | 8,975 | 4,825 | $65,861 | $236,300 | 43.6% | 20.1% | 18.9% | 11 | 5,628 | 74% of its land |
| 63040 | Wildwood | 8,526 | 3,113 | $133,220 | $426,600 | 87.3% | 34.9% | 7.0% | 6 | 3,516 | 100% of its land |
| 63088 | Valley Park | 8,226 | 4,146 | $65,769 | $247,100 | 53.0% | 16.7% | 18.6% | 7 | 4,558 | 100% of its land |
| 63038 | Wildwood | 7,107 | 2,499 | $186,450 | $580,800 | 93.8% | 32.3% | 12.4% | 6 | 2,620 | 100% of its land |
| 63133 | Saint Louis | 6,569 | 3,015 | $39,293 | $65,100 | 47.5% | 20.9% | 12.7% | 7 | 3,442 | 99% of its land |
| 63127 | Saint Louis | 5,268 | 2,149 | $122,663 | $583,400 | 78.8% | 25.0% | 8.3% | 8 | 2,819 | 100% of its land |
| 63140 | Saint Louis | 316 | 177 | $45,568 | $84,100 | 23.2% | 11.9% | 23.4% | — | — | 100% of its land |
| 63045 | Earth City | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
A ZIP code is listed for St. Louis County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- St. Louis — 288,512 residents · 21 ZIP codes
- Florissant — 51,773 residents · 3 ZIP codes
- Chesterfield — 49,574 residents · 2 ZIP codes
- Oakville — 35,333 residents · 1 ZIP code
- Wildwood — 35,133 residents · 7 ZIP codes
- University City — 34,685 residents · 2 ZIP codes
- Ballwin — 31,279 residents · 2 ZIP codes
- Mehlville — 29,805 residents · 2 ZIP codes
- Kirkwood — 29,363 residents · 1 ZIP code
- Maryland Heights — 27,880 residents · 2 ZIP codes
- Hazelwood — 25,114 residents · 3 ZIP codes
- Webster Groves — 23,712 residents · 1 ZIP code
- Old Jamestown — 20,651 residents · 1 ZIP code
- Affton — 19,052 residents · 1 ZIP code
- Creve Coeur — 18,643 residents · 1 ZIP code
- Concord — 18,368 residents · 2 ZIP codes
- Ferguson — 18,213 residents · 2 ZIP codes
- Manchester — 18,160 residents · 2 ZIP codes
- Spanish Lake — 17,873 residents · 1 ZIP code
- Clayton — 17,380 residents · 1 ZIP code
- Lemay — 16,228 residents · 1 ZIP code
- Overland — 15,695 residents · 2 ZIP codes
- Eureka — 13,081 residents · 2 ZIP codes
- Jennings — 12,918 residents · 1 ZIP code
- St. Ann — 12,811 residents · 1 ZIP code
- Crestwood — 12,295 residents · 2 ZIP codes
- Town and Country — 11,607 residents · 3 ZIP codes
- Bridgeton — 11,369 residents · 2 ZIP codes
- Bellefontaine Neighbors — 10,498 residents · 2 ZIP codes
- Ellisville — 10,002 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in St. Louis County — 44 ZIP codes ranked
- ZIP codes with the highest home values in St. Louis County — 44 ZIP codes ranked
- ZIP codes with the highest homeownership in St. Louis County — 44 ZIP codes ranked
- ZIP codes with the most families with kids in St. Louis County — 44 ZIP codes ranked
- ZIP codes with the most new movers in St. Louis County — 44 ZIP codes ranked
- Youngest ZIP codes in St. Louis County — 44 ZIP codes ranked
- Oldest ZIP codes in St. Louis County — 44 ZIP codes ranked
- Fastest-growing ZIP codes in St. Louis County — 44 ZIP codes ranked
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Frequently asked questions
- What ZIP codes are in St. Louis County, MO?
- 63021, 63129, 63031, 63123, 63026, 63017, 63033, 63122, 63136, 63011, 63119, 63114, 63125, 63146, 63128, 63130, 63121, 63043, 63141, 63005, 63137, 63025, 63034, 63105, 63135, 63138, 63131, 63042, 63049, 63074, 63069, 63126, 63132, 63134, 63124, 63044, 63144, 63117, 63143 and 63040 and 6 more. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of St. Louis County?
- 995,569 residents in 413,849 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in St. Louis County?
- $82,936 for the county as a whole. Its ZIP codes range from $39,293 (63133) to $225,493 (63131).
- Which St. Louis County ZIP code has the highest median household income?
- 63131, at $225,493, among ZIP codes with at least 1,000 residents. See the full ranking of St. Louis County ZIP codes by income.
- How many carrier routes and mailboxes are in St. Louis County?
- For the 44 of 46 ZIP codes in EDDM2GO's stored route library: 1,021 carrier routes reaching 454,009 residential and 30,139 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.