ZIP code 63031
Where is ZIP code 63031?
Florissant, Missouri
St. Louis County · Standard ZIP code
ZIP code 63031 belongs to Florissant, Missouri in St. Louis County. 63031 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 50,196 people live in the 63031 area, where the median household income is $70,811. The closest ZIP codes are 63042 (Hazelwood, 2.3 mi southwest), 63034 (Florissant, 3.1 mi northeast) and 63033 (Florissant, 3.2 mi east).
| ZIP code | 63031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Florissant |
| State | Missouri (MO) |
| County | St. Louis County |
| Time zone | Central Time · now |
| Area codes | 314, 557, 636 |
| Coordinates | 38.8069, -90.3401 map |
| 3-digit prefix | 630 |
Population and income in 63031
| Population | 50,196 · higher than 99% of Missouri ZIP codes |
|---|---|
| People per square mile | 3,333 · higher than 96% of Missouri ZIP codes |
| Median age | 38 years · lower than 72% of Missouri ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $70,811 · higher than 65% of Missouri ZIP codes |
| Income per person | $35,117 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $154,300 · lower than 61% of Missouri ZIP codes |
| Median rent | $1,429 a month |
| Housing units | 20,952 |
| Households | 19,408 (2.54 people on average) |
| Owners / renters | 72% / 28% |
| Land area | 15.06 sq mi (plus 1.35 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 63031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 63031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 63042 | Hazelwood, MO | 2.3 mi SW | Standard |
| 63034 | Florissant, MO | 3.1 mi NE | Standard |
| 63033 | Florissant, MO | 3.2 mi E | Standard |
| 63145 | Saint Louis, MO | 4.3 mi S | PO Box only |
| 63134 | Saint Louis, MO | 4.4 mi S | Standard |
| 63135 | Saint Louis, MO | 4.8 mi SE | Standard |
| 63140 | Saint Louis, MO | 4.9 mi S | Standard |
| 63044 | Bridgeton, MO | 5.6 mi SW | Standard |
| 63074 | Saint Ann, MO | 6.1 mi SW | Standard |
| 63136 | Saint Louis, MO | 6.1 mi SE | Standard |
| 63121 | Saint Louis, MO | 7.2 mi S | Standard |
| 63386 | West Alton, MO | 7.3 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 63031 or measure the distance to another ZIP code.
How to address mail to 63031
123 MAIN ST
FLORISSANT MO 63031
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Flor: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (63031-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Florissant, MO
All Florissant ZIP codes with population and income →
Questions
- What city is ZIP code 63031?
- 63031 is a Florissant, Missouri ZIP code.
- What county is 63031 in?
- ZIP code 63031 is in St. Louis County, Missouri.
- What time zone is ZIP code 63031 in?
- 63031 is in the Central Time zone (America/Chicago).
- What area code is 63031?
- Phone numbers in ZIP code 63031 use area codes 314, 557 and 636.
- What is the population of ZIP code 63031?
- About 50,196 people live in ZIP code 63031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 63031?
- The median household income in 63031 is $70,811 a year, higher than 65% of Missouri ZIP codes.
- What ZIP codes are near 63031?
- The nearest ZIP codes to 63031 are 63042 (Hazelwood, 2.3 miles), 63034 (Florissant, 3.1 miles), 63033 (Florissant, 3.2 miles) and 63145 (Saint Louis, 4.3 miles).