ZIP Code 63121
ZIP Code Tabulation Area in St. Louis County, Missouri.
- Population
- 24,571
- Median household income
- $41,285
- Median home value
- $93,900
+4.3%’19–’23
+5.4%’19–’23
+25.9%’19–’23
ZIP Code 63121 (St. Louis County, Missouri) is home to about 24,571 residents. At $41,285, its median household income sits below St. Louis County's $81,340.
From 2019 to 2023, ZIP Code 63121's population grew 4.3% from 23,561 to 24,571, while its median gross rent rose 8.2% from $867 to $938.
Black or African American residents are the largest group, 79.6% of the population. 73.4% of workers drive to work alone.
Demographics
ACS 2019–2023- Population
- 24,571
- Median age
- 35.2 yrs
- Median household income
- $41,285
- Median home value
- $93,900
- Median gross rent
- $938
- Housing units
- 12,745
- Homeownership rate
- 52.9%
- Bachelor's degree or higher
- 21.9%
- Unemployment rate
- 12.1%
Trends
ACS 5-year · 2019–202323,56124,571
$39,174$41,285
$74,600$93,900
$867$938
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 23,561 | $39,174 | $74,600 | $867 |
| 2020 | 25,374 | $40,025 | $76,800 | $825 |
| 2021 | 23,760 | $40,185 | $78,000 | $882 |
| 2022 | 24,126 | $39,668 | $89,800 | $889 |
| 2023 | 24,571 | $41,285 | $93,900 | $938 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 55.9%
5 to 1716.0%
18 to 2413.1%
25 to 3414.7%
35 to 4411.0%
45 to 549.0%
55 to 6413.1%
65 to 7410.8%
75 and over6.4%
| Count | Share | |
|---|---|---|
| Under 5 | 1,446 | 5.9% |
| 5 to 17 | 3,925 | 16.0% |
| 18 to 24 | 3,231 | 13.1% |
| 25 to 34 | 3,607 | 14.7% |
| 35 to 44 | 2,695 | 11.0% |
| 45 to 54 | 2,206 | 9.0% |
| 55 to 64 | 3,228 | 13.1% |
| 65 to 74 | 2,658 | 10.8% |
| 75 and over | 1,575 | 6.4% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 3,325 | 13.5% |
| Black or African American | 19,561 | 79.6% |
| American Indian & Alaska Native | 13 | 0.1% |
| Asian | 386 | 1.6% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 35 | 0.1% |
| Two or more races | 836 | 3.4% |
| Hispanic or Latino (any race) | 415 | 1.7% |
Educational attainment (age 25+)
No high school diploma8.7%
High school graduate36.7%
Some college or associate's32.7%
Bachelor's degree13.1%
Graduate or professional degree8.7%
| Count | Share | |
|---|---|---|
| No high school diploma | 1,386 | 8.7% |
| High school graduate | 5,865 | 36.7% |
| Some college or associate's | 5,228 | 32.7% |
| Bachelor's degree | 2,095 | 13.1% |
| Graduate or professional degree | 1,395 | 8.7% |
Commute to work
- Mean travel time to work
- 22 min
Drove alone73.4%
Carpooled5.9%
Public transit5.1%
Walked4.7%
Bicycle0.1%
Worked from home9.3%
Other means1.5%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 7,597 | 73.4% |
| Carpooled | 608 | 5.9% |
| Public transit | 532 | 5.1% |
| Walked | 487 | 4.7% |
| Bicycle | 6 | 0.1% |
| Worked from home | 957 | 9.3% |
| Other means | 157 | 1.5% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 2,058 | 21.9% |
| 15 to 29 min | 4,950 | 52.7% |
| 30 to 44 min | 1,759 | 18.7% |
| 45 to 59 min | 231 | 2.5% |
| 60+ min | 389 | 4.1% |
Households
- Average household size
- 2.16
- Poverty rate
- 23.6% (5,566 of 23,583)
| Count | Share | |
|---|---|---|
| Family households | 5,125 | 46.9% |
| Nonfamily households | 5,791 | 53.1% |
Housing
- Median year structure built
- 1952
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 10,916 | 85.6% |
| Vacant | 1,829 | 14.4% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 5,780 | 52.9% |
| Renter-occupied | 5,136 | 47.1% |
1-unit, detached77.2%
1-unit, attached0.9%
2 to 4 units4.6%
5 to 19 units12.2%
20 or more units3.8%
Mobile home & other1.4%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 9,833 | 77.2% |
| 1-unit, attached | 113 | 0.9% |
| 2 to 4 units | 582 | 4.6% |
| 5 to 19 units | 1,556 | 12.2% |
| 20 or more units | 483 | 3.8% |
| Mobile home & other | 178 | 1.4% |
Geography
- ZCTA
- 63121
- Land area
- 6.77 sq mi
- Water area
- 0 sq mi
- Center point
- 38.7081, -90.3006
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)