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ZIP Code 63121 - Saint Louis Missouri

Overview

ZIP Code 63121 is located in Saint Louis Missouri. Portions of 63121 are also in Bel-Ridge and Normandy and Pine Lawn and Northwoods and St. John and Bellerive Acres and Bel-Nor and Beverly Hills and Cool Valley and Glen Echo Park and Greendale and Norwood Court and Pasadena Hills and Pasadena Park and Uplands Park and Velda City and Velda Village Hills and Berkeley and Hillsdale and Pagedale and Ferguson and Normandy Township and University Township and Airport Township and Midland Township and Norwood Township and Bellerive. 63121 is entirely within Saint Louis County. Regionally, 63121 is located in Metro St. Louis.

ZIP Code 63121 Quick Stats

ZIP Code NameSaint Louis
Primary CountySaint Louis County
ZIP Code TypeStandard
Population (2022)24,126
Area Code(s)314 / 557
Current Time
CDT

ZIP Code 63121 Map

Map of ZIP Code 63121 in Saint Louis, MO — click to open interactive map

63121 Demographics

63121 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Missouri based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 63121 is African American. The majority race/ethnicity attending public schools in 63121 is African American. The current unemployment level in 63121 is 4.2%.

Population24,126
Population Growth Rate-3.86%
Population Density3,706 People per Square Mile
Total Households10,932
Percentage High Income Households0.7%
Median Household Income (2021)$40,185
Average Adjusted Gross Income (2021)$345,160
Current Unemployment Rate (May 2026)4.2%
Sales Tax Rate (2025)10%
Majority Race/EthnicityAfrican American - 85.65%
Public School Majority Race/EthnicityAfrican American - 93.26%

63121 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White3,02712.92%
Black20,06385.65%
Hispanic1520.65%
Asian1410.6%
Native American410.18%
Hawaiian/Pac. Islander00%

63121 Public School Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White160.82%
Black1,89696.69%
Hispanic452.29%
Asian10.05%
Native American30.15%
Hawaiian/Pac. Islander00%

63121 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College1,1587.84%
Bachelor Degree1,84312.48%
High School Diploma4,33129.33%
No High School Diploma3512.38%
GED or Alternate8295.61%
1 or More Years of College3,54123.98%
Associates Degree1,0186.89%
Masters Degree1,3118.88%
Professional Degree1661.12%
Doctorate Degree2171.47%

63121 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion72f - River Hills
63121 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)20253545556469675847362545
Avg Max Temp (°F)37445566768589878069544265
Avg Precip (In.)2.112.243.553.824.173.753.843.13.062.83.772.9139.14

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