ZIP code 63131
Where is ZIP code 63131?
Saint Louis, Missouri
St. Louis County · Standard ZIP code
ZIP code 63131 belongs to Saint Louis, Missouri in St. Louis County. 63131 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 314, 557 and 636. About 17,935 people live in the 63131 area, where the median household income is $225,493. The closest ZIP codes are 63032 (Florissant, 1.8 mi northeast), 63099 (Fenton, 1.8 mi northeast) and 63141 (Saint Louis, 2.8 mi north).
| ZIP code | 63131 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saint Louis |
| Also accepted | Des Peres, Frontenac |
| State | Missouri (MO) |
| County | St. Louis County |
| Time zone | Central Time · now |
| Area codes | 314, 557, 636 |
| Coordinates | 38.6159, -90.4456 map |
| 3-digit prefix | 631 |
Population and income in 63131
| Population | 17,935 · higher than 89% of Missouri ZIP codes |
|---|---|
| People per square mile | 1,316 · higher than 89% of Missouri ZIP codes |
| Median age | 46.3 years · higher than 70% of Missouri ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $225,493 · higher than 100% of Missouri ZIP codes |
| Income per person | $124,190 |
| Below the poverty line | 2.1% |
| Bachelor’s degree or higher | 82% of adults 25+ |
| Median home value | $778,100 · higher than 100% of Missouri ZIP codes |
| Median rent | $1,896 a month |
| Housing units | 6,605 |
| Households | 6,511 (2.72 people on average) |
| Owners / renters | 94% / 6.3% |
| Land area | 13.63 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 63131. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 63131
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 63032 | Florissant, MO | 1.8 mi NE | PO Box only |
| 63099 | Fenton, MO | 1.8 mi NE | Unique |
| 63141 | Saint Louis, MO | 2.8 mi N | Standard |
| 63122 | Saint Louis, MO | 2.9 mi SE | Standard |
| 63124 | Saint Louis, MO | 4 mi E | Standard |
| 63088 | Valley Park, MO | 4.8 mi SW | Standard |
| 63021 | Ballwin, MO | 5.1 mi SW | Standard |
| 63144 | Saint Louis, MO | 5.2 mi E | Standard |
| 63017 | Chesterfield, MO | 5.4 mi NW | Standard |
| 63022 | Ballwin, MO | 5.6 mi W | PO Box only |
| 63024 | Ballwin, MO | 5.6 mi W | PO Box only |
| 63132 | Saint Louis, MO | 5.6 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 63131 or measure the distance to another ZIP code.
How to address mail to 63131
123 MAIN ST
SAINT LOUIS MO 63131
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts DES PERES and FRONTENAC as the city name for 63131. Avoid Country Life Acres, Crystal Lake Park, Huntleigh and Westwood: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (63131-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Saint Louis, MO
- 63101
- 63102
- 63103
- 63104
- 63105
- 63106
- 63107
- 63108
- 63109
- 63110
- 63111
- 63112
- 63113
- 63114
- 63115
- 63116
- 63117
- 63118
- 63119
- 63120
- 63121
- 63122
- 63123
- 63124
- 63125
- 63126
- 63127
- 63128
- 63129
- 63130
- 63132
- 63133
- 63134
- 63135
- 63136
- 63137
- 63138
- 63139
- 63140
- 63141
- 63143
- 63144
- 63145
- 63146
- 63147
- 63150
- 63151
- 63155
- 63156
- 63157
- 63158
- 63160
- 63163
- 63164
- 63166
- 63167
- 63169
- 63171
- 63177
- 63178
- 63179
- 63180
- 63188
- 63195
- 63197
- 63199
All Saint Louis ZIP codes with population and income →
Questions
- What city is ZIP code 63131?
- 63131 is a Saint Louis, Missouri ZIP code. Des Peres and Frontenac are also accepted as the city name.
- What county is 63131 in?
- ZIP code 63131 is in St. Louis County, Missouri.
- What time zone is ZIP code 63131 in?
- 63131 is in the Central Time zone (America/Chicago).
- What area code is 63131?
- Phone numbers in ZIP code 63131 use area codes 314, 557 and 636.
- What is the population of ZIP code 63131?
- About 17,935 people live in ZIP code 63131, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 63131?
- The median household income in 63131 is $225,493 a year, higher than 100% of Missouri ZIP codes.
- What ZIP codes are near 63131?
- The nearest ZIP codes to 63131 are 63032 (Florissant, 1.8 miles), 63099 (Fenton, 1.8 miles), 63141 (Saint Louis, 2.8 miles) and 63122 (Saint Louis, 2.9 miles).