PlainZIP

Saint Louis, MO · standard

ZIP Code 63131

St. Louis County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

16,769
466/sq mi
$225,493
Median income
$778,100
Median home value
81.6%
Bachelor's or higher

The verdict

Saint Louis pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 5%
home value, US ZIPs
466
people per sq mi
94%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63131 against every reporting US ZIP.

ZIP code 63131 is a mid-sized community (a standard USPS delivery area) in Saint Louis, St. Louis County, Missouri, home to 16,769 residents across 36.0 square miles, a density of 466 people per square mile, in the Chicago time zone.

ZIP 63131 skews affluent, with a median household income of $225,493 (237% above the Missouri average), while per-capita income is $124,190. The poverty rate stands at 2.1% and the unemployment rate at 2.2%. On housing, the median home value is $778,100 (307% above the state average) with median rent at $1,896 per month, and 93.7% of occupied units are owner-occupied.

This is a highly-educated ZIP: 81.6% of adults hold a bachelor's degree or higher, the median age is 46.3, and the average commute is 19 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 63131, plus 6 more within St. Louis County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 63131

Top 5 sectors by establishment count in Saint Louis, MO

Which industries have the most business establishments in ZIP 63131.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63131, Saint Louis, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

16,769

Population

36.0

Area (sq mi)

466

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63131?

46.3

Median Age

49.4%

Male

50.6%

Female

7.0%

Foreign-Born

White 86.8%
African American 1.1%
Asian 5.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.2%
Hispanic or Latino 2.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$225,493

Median Household Income

+237% vs state

$124,190

Per Capita Income

2.1%

Poverty Rate

2.2%

Unemployment Rate

18.8 min

Mean Commute Time

How ZIP 63131 ranks nationally

Saint Louis, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$225,493 Top 1% higher than 99% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). Below this entry. $200,000–$220,000: 324 US ZIPs (1%). This entry sits in this band. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 86.1%
Bachelor's Degree or Higher 81.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

6,605

Total Housing Units

6,511

Occupied Units

94

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 93.7%
Renter 6.3%

$778,100

Median Home Value

+307% vs state

$1,896

Median Rent

1975

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.3%

YoY Change (2024)

246

HPI Index (2000 = 100)

+146%

Total Change Since 2000

Home values in ZIP 63131 have increased 4.3% over the past year (2024). Since 2000, this ZIP has seen +146% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.5% 181
2021 +7.0% 193
2022 +11.8% 216
2023 +9.1% 236
2024 +4.3% 246

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,163 business establishments in ZIP 63131, employing approximately 31,648 people with a combined annual payroll of $2,707,933,000.

1,163

Businesses

31,648

Employees

$2.7B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 219 18.8%
Retail trade 204 17.5%
Professional, scientific, and technical services 155 13.3%
Finance and insurance 142 12.2%
Accommodation and food services 80 6.9%
Other services (except public administration) 78 6.7%
Real estate and rental and leasing 72 6.2%
Wholesale trade 44 3.8%
Administrative and support and waste management and remediation services 40 3.4%
Construction 35 3.0%
Arts, entertainment, and recreation 28 2.4%
Information 22 1.9%
Educational services 18 1.6%
Management of companies and enterprises 10 0.9%
Manufacturing 9 0.8%
Transportation and warehousing 5 0.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 63131 vs 63141 →

ZIP 63131 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63131 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63131 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63131 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63141 Saint Louis, MO 20,593 2.9 mi
63122 Saint Louis, MO 38,495 2.9 mi
63124 Saint Louis, MO 10,417 3.7 mi
63144 Saint Louis, MO 8,825 5.2 mi
63146 Saint Louis, MO 29,262 5.8 mi
63127 Saint Louis, MO 4,939 6.0 mi
63119 Saint Louis, MO 33,969 5.4 mi
63132 Saint Louis, MO 13,988 5.4 mi
63017 Chesterfield, MO 41,470 5.5 mi
63117 Saint Louis, MO 9,163 6.2 mi

More ZIP Codes in St. Louis County

63021 standard
Ballwin, MO
Pop: 56,261
63129 standard
Saint Louis, MO
Pop: 52,718
63123 standard
Saint Louis, MO
Pop: 49,308
63136 standard
Saint Louis, MO
Pop: 48,560
63031 standard
Florissant, MO
Pop: 48,212
63026 standard
Fenton, MO
Pop: 44,124

Related Areas

St. Louis County Saint Louis, MO Missouri

Frequently Asked Questions

What county is ZIP code 63131 in? ▼
ZIP code 63131 (Saint Louis) is located in St. Louis County, Missouri. St. Louis County contains multiple ZIP codes, see the full list at /counties/st-louis-mo-29189.
What is the population of ZIP code 63131? ▼
ZIP code 63131 in Saint Louis, MO has a population of 16,769 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63131? ▼
The median household income in ZIP 63131 is $225,493, which is 196% above the national average of $76,288.
What is the average home value in ZIP 63131? ▼
The median home value in ZIP 63131 is $778,100, which is 180% above the national average of $278,155.
What is the demographic makeup of ZIP 63131? ▼
The largest racial group in ZIP 63131 is White at 86.8%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 63131? ▼
ZIP code 63131 has 1,163 business establishments employing approximately 31,648 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63131? ▼
The top industries by establishment count in ZIP 63131 are: Health care and social assistance (219), Retail trade (204), Professional, scientific, and technical services (155). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 63131? ▼
According to the FHFA House Price Index, home values in ZIP 63131 increased by 4.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 146%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 63131? ▼
In ZIP code 63131, 86.1% of residents aged 25+ have a high school diploma or higher, and 81.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 63131? ▼
The mean commute time for workers in ZIP code 63131 is 18.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 63131? ▼
In ZIP code 63131, approximately 93.7% of occupied housing units are owner-occupied and 6.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63131? ▼
The poverty rate in ZIP code 63131 is 2.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.