Zip code 63121: Saint Louis, Missouri

Q: What city is zip code 63121?

63121 is assigned to Saint Louis, Missouri. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 63121 in?

63121 is in St. Louis County, Missouri.

Q: What is the population of 63121?

About 25,008 people live in 63121, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 63121?

The median household income in 63121 is $42,701.

Q: What zip codes are near 63121?

The closest zip codes to 63121 are 63133, 63120, 63140, 63135, 63130.

Residential delivery areaSt. Louis CountyCentral Time

Population

25,008

Median household income

$43K

U.S. $81K

Median home value

$96K

U.S. $333K

Median rent

$985/mo

U.S. $1,413

Median age

33.2

U.S. 38.9

Land area

6.8 sq mi

3,693 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 63121

63121 is an urban zip code in Saint Louis, Missouri (St. Louis County), covering 6.8 sq mi of land. About 25,008 people live here, or 3,693 per square mile. The median resident is 33.2 years old, compared with 38.9 nationally.

The median household earns $42,701 a year, about 53% of the national median of $80,734. 25.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $95,600, or 2.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 52% of occupied homes are lived in by their owners, and renters pay a median of $985 a month.

24% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 23.8 minutes each way, and 11% of workers work from home. The most common jobs among working residents are in office and administrative support; transportation and moving goods; and cleaning and personal care.

How 63121 compares

Sorted from highest to lowest national percentile

Unemployment rate12.3%
97th
WeaknessU.S. 5.2% · MO 4%37th of 967 in MO
Poverty rate25.6%
93rd
WeaknessU.S. 12.5% · MO 12.6%101st of 966 in MO
Housing vacancy14.3%
85th
U.S. 10.1% · MO 11.2%460th of 966 in MO
Uninsured rate11.8%
79th
U.S. 8.4% · MO 8.8%312th of 968 in MO
Rent-burdened renters57.7%
76th
U.S. 51.1% · MO 45.6%140th of 908 in MO
Population density3,693/sq mi
73rd
U.S. 95/sq mi · MO 90/sq mi38th of 968 in MO
Income inequality (Gini)0.458
68th
U.S. 0.483 · MO 0.465205th of 964 in MO
Healthcare workers9.9%
57th
U.S. 9.7% · MO 10.4%419th of 967 in MO
Residents 65 and older16.9%
53rd
U.S. 17.2% · MO 17.9%644th of 968 in MO
Government workers13.9%
52nd
U.S. 14.5% · MO 13.2%427th of 967 in MO
Veterans5.8%
49th
U.S. 6.2% · MO 7.3%698th of 968 in MO
Residents under 1821.4%
43rd
U.S. 22% · MO 22.3%565th of 968 in MO
Population25,008
40th
U.S. 334,922,499 · MO 6,191,81471st of 968 in MO
Work from home10.9%
40th
U.S. 15.1% · MO 13%344th of 967 in MO
Tech workers2.3%
39th
U.S. 3.8% · MO 3.4%277th of 967 in MO
Average commute23.8 min
35th
U.S. 26.4 min · MO 23.5 min602nd of 934 in MO
Bachelor's degree or higher24.2%
32nd
U.S. 35.7% · MO 32.4%294th of 965 in MO
Diversity index36.1
31st
U.S. 61.4 · MO 40.1156th of 968 in MO
Median gross rent$985
20th
U.S. $1,413 · MO $1,033210th of 783 in MO
Homeownership rate51.6%
20th
WeaknessU.S. 65.2% · MO 68.1%904th of 966 in MO
Foreign-born residents3.2%
19th
U.S. 14.1% · MO 4.5%216th of 968 in MO
Broadband access85.5%
14th
WeaknessU.S. 91% · MO 89.3%517th of 966 in MO
Per capita income$27,628
13th
WeaknessU.S. $44,673 · MO $39,695693rd of 968 in MO
Median age33.2
12th
U.S. 38.9 · MO 39876th of 968 in MO
Median earnings per worker$35,328
9th
WeaknessU.S. $49,666 · MO $45,780763rd of 960 in MO
Self-employed workers5.2%
5th
U.S. 10% · MO 9%842nd of 967 in MO
Median household income$42,701
4th
WeaknessU.S. $80,734 · MO $70,702842nd of 934 in MO
Median home value$95,600
2nd
U.S. $332,700 · MO $230,300815th of 917 in MO

Measure	63121	St. Louis	MO	U.S.	National percentile	Rank in MO
Unemployment rateWeakness	12.3%	4.3%	4%	5.2%	97th	37th of 967
Poverty rateWeakness	25.6%	9.8%	12.6%	12.5%	93rd	101st of 966
Housing vacancy	14.3%	7.2%	11.2%	10.1%	85th	460th of 966
Uninsured rate	11.8%	5.7%	8.8%	8.4%	79th	312th of 968
Rent-burdened renters	57.7%	48.3%	45.6%	51.1%	76th	140th of 908
Population density	3,693/sq mi	1,960/sq mi	90/sq mi	95/sq mi	73rd	38th of 968
Income inequality (Gini)	0.458	0.494	0.465	0.483	68th	205th of 964
Healthcare workers	9.9%	11.2%	10.4%	9.7%	57th	419th of 967
Residents 65 and older	16.9%	19.1%	17.9%	17.2%	53rd	644th of 968
Government workers	13.9%	10.4%	13.2%	14.5%	52nd	427th of 967
Veterans	5.8%	6%	7.3%	6.2%	49th	698th of 968
Residents under 18	21.4%	22%	22.3%	22%	43rd	565th of 968
Population	25,008	995,569	6,191,814	334,922,499	40th	71st of 968
Work from home	10.9%	18.3%	13%	15.1%	40th	344th of 967
Tech workers	2.3%	5.4%	3.4%	3.8%	39th	277th of 967
Average commute	23.8 min	23.1 min	23.5 min	26.4 min	35th	602nd of 934
Bachelor's degree or higher	24.2%	47.4%	32.4%	35.7%	32nd	294th of 965
Diversity index	36.1	55.9	40.1	61.4	31st	156th of 968
Median gross rent	$985	$1,209	$1,033	$1,413	20th	210th of 783
Homeownership rateWeakness	51.6%	69.2%	68.1%	65.2%	20th	904th of 966
Foreign-born residents	3.2%	8.4%	4.5%	14.1%	19th	216th of 968
Broadband accessWeakness	85.5%	93.4%	89.3%	91%	14th	517th of 966
Per capita incomeWeakness	$27,628	$51,977	$39,695	$44,673	13th	693rd of 968
Median age	33.2	40.3	39	38.9	12th	876th of 968
Median earnings per workerWeakness	$35,328	$52,538	$45,780	$49,666	9th	763rd of 960
Self-employed workers	5.2%	8.6%	9%	10%	5th	842nd of 967
Median household incomeWeakness	$42,701	$82,936	$70,702	$80,734	4th	842nd of 934
Median home value	$95,600	$276,800	$230,300	$332,700	2nd	815th of 917

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

15%

5–17

14%

18–24

16%

25–34

10%

35–44

45–54

12%

55–64

11%

65–74

75+

Median age

33.2

Under 18

21.4%

65 and over

16.9%

Race and ethnicity

White14%
Black79%
Hispanic2%
Asian2%
Native American0.1%
Pacific Islander0%
Other0.1%
Multiracial3%

Diversity index

36.1

U.S. 61.4

Foreign-born

3.2%

U.S. 14.1%

Born in state

79.3%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

Other

0.7%

Households

Households: 11,142
Average household size: 2.2
Family households: 46.7%
Married couples: 17.9%
Living alone: 45.9%
Veterans (of adults): 5.8%
Male / female: 44% / 56%

Income and poverty

Household income distribution

<$25k

26%

$25–50k

31%

$50–75k

17%

$75–100k

10%

$100–150k

11%

$150–200k

$200k+

Median household income

63121

$42,701

St. Louis Co.

$82,936

Missouri

$70,702

United States

$80,734

Per capita income

$27,628

U.S. $44,673

Poverty rate

25.6%

U.S. 12.5%

Households earning $150K+

5.1%

U.S. 23%

Income inequality (Gini)

0.458

U.S. 0.483

Housing

Median home value

63121

$95,600

St. Louis Co.

$276,800

Missouri

$230,300

United States

$332,700

Median gross rent

63121

$985

St. Louis Co.

$1,209

Missouri

$1,033

United States

$1,413

Types of housing

Single-family

77%

2–4 units

5–19 units

11%

20+ units

Mobile home

Boat, RV, van

Housing units: 13,008
Owner-occupied: 51.6%
Vacant: 14.3%
Median year built: 1953
Median rooms: 5.3
Renters paying 30%+ of income: 57.7%
Renters paying 50%+ of income: 31.1%
Home value to income: 2.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

Transit

Walked

Bicycle

0.1%

Worked from home

11%

Other

Commute time (one way)

<10 min

10–19

30%

20–29

32%

30–44

19%

45–59

60+

Average commute

23.8 min

U.S. 26.4 min

Unemployment

12.3%

U.S. 5.2%

In labor force

62%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

13%

Transportation and moving

11%

Cleaning and personal care

10%

Healthcare

10%

Sales

Management

Production

Education

Food service

Construction and repair

Business and finance

Legal and social services

Engineering and science

Computer and math

Police and fire

Arts, media and sports

0.2%

Farming, fishing and forestry

Industries

Health care and social assistance

17%

Retail

12%

Education

10%

Transportation, warehousing and utilities

Manufacturing

Finance, insurance and real estate

Restaurants and hotels

Admin, support and management

Other services

Professional and technical services

Public administration

Construction

Arts and recreation

Information

Wholesale

0.9%

Agriculture and mining

0.3%

Median earnings per worker

$35,328

U.S. $49,666

Self-employed

5.2%

U.S. 10%

Government workers

13.9%

U.S. 14.5%

Nonprofit workers

9.1%

U.S. 8.8%

Median earnings by type of work

Type of work	63121	U.S.
Management, business, science and arts	$51,335	$74,888
Service	$23,105	$26,804
Sales and office	$34,527	$40,476
Construction and maintenance	$49,665	$49,199
Production and transportation	$30,955	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

36%

Some college

26%

Associate's

Bachelor's

15%

Graduate

High school graduate or higher: 92.7%
Bachelor's degree or higher: 24.2%
Graduate or professional degree: 9.3%
Households with broadband: 85.5%
Cable, fiber or DSL: 70.6%
No internet access: 10.6%
Without health insurance: 11.8%
Limited-English households: 0.1%

Geography

City (USPS): Saint Louis
State: Missouri
County: St. Louis County
Center point: 38.7081° N, 90.3006° W
Land area: 6.8 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Normandy22% of zip
Northwoods10% of zip
Bel-Ridge9% of zip
Cool Valley7% of zip
Pine Lawn7% of zip
Bel-Nor7% of zip
Jennings5% of zip
Bellerive Acres5% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 63121

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
63133	Saint Louis, MO	1.8 mi	6,569	$39,293	$65,100
63120	Saint Louis, MO	2.4 mi	6,790	$35,176	$53,500
63140	Saint Louis, MO	2.5 mi	316	$45,568	$84,100
63135	Saint Louis, MO	3 mi	18,381	$52,328	$107,400
63130	Saint Louis, MO	3.3 mi	28,910	$85,823	$316,100
63134	Saint Louis, MO	3.3 mi	13,059	$44,680	$94,700
63114	Saint Louis, MO	3.4 mi	33,969	$55,870	$116,800
63136	Saint Louis, MO	3.4 mi	40,929	$41,154	$84,400
63112	Saint Louis, MO	3.5 mi	17,985	$45,542	$212,700
63115	Saint Louis, MO	3.7 mi	14,488	$30,622	$75,600
63113	Saint Louis, MO	4.5 mi	10,221	$39,913	$81,600
63105	Saint Louis, MO	4.6 mi	18,875	$116,439	$766,300

Zip codes like 63121 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 63121

What city is zip code 63121?

63121 is assigned to Saint Louis, Missouri. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 63121 in?

63121 is in St. Louis County, Missouri.

What is the population of 63121?

About 25,008 people live in 63121, according to the Census Bureau's American Community Survey.

What time zone is 63121 in?

63121 is in Central Time.

What is the median household income in 63121?

The median household income in 63121 is $42,701.

What zip codes are near 63121?

The closest zip codes to 63121 are 63133, 63120, 63140, 63135, 63130.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 63121, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.