63131 ZIP Code — Saint Louis, MO

Saint Louis County, Missouri

ZIP code 63131 is located in Saint Louis, Missouri, within Saint Louis County. It covers approximately 13.63 square miles and serves a population of 18,531 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 314.

About ZIP code 63131

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $711,600. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($208,654) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is high — 81% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 63131 reflects a community defined by a highly educated population and high homeownership.

18,531

population

13.63

sq mi land

Standard

ZIP type

Central (CT)

timezone

63131 ZIP code map

Cities in ZIP code 63131

Below are the cities the US Postal Service accepts for ZIP code 63131. Using any city not on this list may result in mail delivery delays.

City	Status
Saint Louis	Acceptable
Saint Louis	Acceptable
Saint Louis	Preferred

Nearby ZIP codes

63141 Saint Louis (2.8 mi) 63122 Saint Louis (2.9 mi) 63124 Saint Louis (4 mi) 63144 Saint Louis (5.2 mi) 63132 Saint Louis (5.6 mi) 63119 Saint Louis (5.7 mi) 63088 Valley Park (5.7 mi) 63126 Saint Louis (5.8 mi) 63127 Saint Louis (5.9 mi) 63021 Ballwin (6 mi) 63017 Chesterfield (6.1 mi) 63117 Saint Louis (6.1 mi)

Demographics updated 06/2026

Population
Total population	18,531
Population density	1,360 / sq mi
State FIPS	29
County FIPS	189

Geography
Land area	13.63 sq mi
Water area	0.01 sq mi
Latitude	38.6159
Longitude	-90.4456
Timezone	Central (CT)
Area code	314

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.8%	36.1%	43.8%
$50k – $100k	14.6%	30.6%	31.5%
$100k – $200k	31.4%	23.0%	19.5%
Over $200k	42.2%	10.4%	5.2%

Demographics & statistics

18,531

Population

1,360

People per sq mi

47.1

Median age

$208,654

Median household income

$119,549

Per capita income

$711,600

Median home value

$2,072

Median monthly rent

92.6%

Home ownership

2.8%

Poverty rate

2.3%

Unemployment

6,499

Housing units

81.2%

Bachelor's or higher

Age distribution

Male Female

411

Under 5

408

499

5–9

497

934

10–14

929

687

15–19

683

330

20–24

329

454

25–34

452

1,097

35–44

1,091

1,527

45–54

1,520

608

55–59

605

784

60–64

780

1,040

65–74

1,034

759

75–84

755

159

85+

159

← Male

Female →

Age summary

Group	Count	%
Under 18	4,785	25.8%
18 and over	13,746	74.2%
65 and over	3,906	21.1%
Median age	47.1 years

Race & ethnicity

White 85.5%

Asian 5.1%

Two or more races 4%

Hispanic or Latino 3.3%

Black or African American 1.1%

Other race 0.8%

American Indian / Alaska Native 0.1%

Group	Count	%
White	16,392	85.5%
Asian	981	5.1%
Two or more races	770	4%
Hispanic or Latino	638	3.3%
Black or African American	210	1.1%
Other race	162	0.8%
American Indian / Alaska Native	16	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.8%	36.1%	43.8%
$50k – $100k	14.6%	30.6%	31.5%
$100k – $200k	31.4%	23.0%	19.5%
Over $200k	42.2%	10.4%	5.2%

Under $10k 2.1%

$10k–$15k 0.4%

$15k–$25k 1.6%

$25k–$35k 1.9%

$35k–$50k 3.5%

$50k–$75k 5.1%

$75k–$100k 6.8%

$100k–$150k 14.7%

$150k–$200k 12.4%

$200k+ 51.5%

Range	% of households
Under $10k	2.1%
$10k–$15k	0.4%
$15k–$25k	1.6%
$25k–$35k	1.9%
$35k–$50k	3.5%
$50k–$75k	5.1%
$75k–$100k	6.8%
$100k–$150k	14.7%
$150k–$200k	12.4%
$200k+	51.5%
Median income	$208,654

Housing

Home values

Under $50k 0.2%

$50k–$100k 0.5%

$100k–$150k 0.6%

$150k–$200k 0.8%

$200k–$300k 3.7%

$300k–$500k 17.0%

$500k–$1M 50.4%

$1M+ 26.8%

Housing overview

Metric	Value
Median home value	$711,600
Median rent / month	$2,072
Owner occupied	92.6%
Renter occupied	7.4%
Vacant	3.2%
Single-family detached	93.8%
Large apartment buildings	4.4%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	0.1%
2010–2019	10.1%
2000–2009	9.0%
1990–1999	7.4%
1980–1989	13.2%
1970–1979	23.5%
1960–1969	14.1%
1950–1959	17.9%
1940–1949	1.8%
1939 or earlier	2.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	1.5%
2 bedrooms	6.1%
3 bedrooms	19.5%
4 bedrooms	49.5%
5+ bedrooms	23.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	19.9%
2 vehicles	44.9%
3 or more	34.5%

Heating fuel

Fuel type	%
Utility gas	83.4%
Electricity	15.6%
Propane / LP gas	0.6%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	5,202	76.7%
Cohabiting couple	96	1.4%
Male householder, no spouse	507	7.5%
Female householder, no spouse	973	14.4%
Households with children under 18	2,600	38.4%
Households with seniors (65+)	2,397	35.4%
Average household size	2.70

Marital status

Status	Male	Female
Never married	22.5%	16.1%
Married	71.2%	70.2%
Separated	1.3%	0.1%
Widowed	1.6%	6.8%
Divorced	3.4%	6.7%

Education

Less than 9th grade 0.9%

Some HS, no diploma 0.7%

HS graduate 4.6%

Some college, no degree 9.0%

Associate's degree 3.6%

Bachelor's degree 40.8%

Graduate / professional 40.4%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	81.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	365	7.4%
Kindergarten	147	3.0%
Elementary school	2,475	50.0%
High school	1,375	27.8%
College / grad school	587	11.9%

Employment

Industry of employment

Education & healthcare 25.2%

Finance & real estate 18.3%

Professional & management 17.3%

Manufacturing 11.0%

Retail trade 7.1%

Arts, food & hospitality 5.0%

Construction 4.5%

Wholesale trade 4.5%

Other services 3.8%

Public administration 1.2%

Information 1.1%

Transportation & utilities 0.8%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	68.9%
Service	6.2%
Sales & office	19.5%
Natural resources & construction	1.6%
Production & transportation	3.9%

Employment type

Type	%
Private sector	88.1%
Government	6.7%
Self-employed	5.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.3%
Carpool	6.3%
Public transit	0.1%
Walk	0.2%
Work from home	14.9%
Other means	1.2%
Avg commute (minutes)	22.2

Poverty

All people 2.8%

Under 18 years 2.8%

18 and over 2.8%

Married-couple families 1.5%

Female-led households 21.0%

Income support

Source	% of households
Social Security	28.6%
Retirement income	26.1%
Supplemental Security	2.1%
Cash public assistance	0.5%
Food stamps / SNAP	0.2%

Health indicators

Condition	%
Obesity	23.0%
High blood pressure	30.5%
High cholesterol	34.5%
Diabetes	7.9%
Heart disease	5.9%
Stroke	2.3%
Asthma	7.9%
Arthritis	25.9%
Kidney disease	2.5%
Pulmonary disease	4.8%
Cancer	8.6%

Behavior / access	%
Smoking	8.9%
Binge drinking	16.5%
No physical activity	15.7%
Less than 7 hrs sleep	25.2%
Depression	17.5%
Fair or poor health	9.1%
Poor mental health	10.4%
Poor physical health	7.4%
No health insurance	7.4%
Visited doctor (checkup)	78.2%
Visited dentist	78.4%
Cholesterol screening	94.5%
Teeth loss	5.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	650	4.7%

Disability	%
Any disability	6.1%
Under 18	2.2%
18–64 years	4.4%
65 and over	15.4%

Health insurance coverage

Type	%
Private insurance	90.3%
Public insurance	20.8%
No insurance	1.0%
Uninsured under 19	0.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,712	95.6%
Spanish	232	1.3%
Other Indo-European	32	0.2%
Asian & Pacific Islander	18	0.1%
Other languages	175	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,146	92.5%
Born in same state	17,020	91.8%
Born in different state	11,493	62.0%
Foreign born	126	0.7%
Naturalized citizen	1,385	7.5%
Not a US citizen	1,015	73.3%

Ancestry

Ancestry	Count	%
French	3,072	16.6%
Italian	2,791	15.1%
Arab	811	4.4%
English	277	1.5%
Irish	136	0.7%

Ancestry	Count	%
Polish	96	0.5%
Dutch	70	0.4%
German	46	0.2%
Norwegian	20	0.1%

Technology access

Metric	% of households
Computer access	36.6%
Internet access	98.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 63131

What city is ZIP code 63131 in?

ZIP code 63131 is primarily assigned to Saint Louis, Missouri.

What county is ZIP code 63131 in?

ZIP code 63131 falls within Saint Louis County, Missouri.

How educated is the population of ZIP code 63131?

81% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 63131 mostly owner-occupied?

93% of occupied units in ZIP code 63131 are owner-occupied, well above the national average.

What is the median household income in ZIP code 63131?

The median household income in ZIP code 63131 is $208,654, above the national median of ~$75,000.

What is the typical home value in ZIP code 63131?

The median home value in ZIP code 63131 is $711,600.

What timezone is ZIP code 63131 in?

ZIP code 63131 observes the CST timezone.