PlainZIP

Saint Louis, MO · standard

ZIP Code 63109

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

26,946
2,914/sq mi
$69,938
Median income
$264,700
Median home value
52.5%
Bachelor's or higher

The verdict

Saint Louis pairs a below-median household income with above-median home values, in a suburban-density, homeowner-dominated area.

46th pct
household income, US ZIPs
Top 40%
home value, US ZIPs
2,914
people per sq mi
61%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63109 against every reporting US ZIP.

ZIP code 63109 is a densely settled ZIP (a standard USPS delivery area) in Saint Louis, St. Louis County, Missouri, with 26,946 residents across 9.2 square miles, a density of 2,914 people per square mile, in the Chicago time zone.

ZIP 63109 reports a modest median household income of $69,938 (5% above the Missouri average), while per-capita income is $50,768. Poverty here runs at 9.9%, with unemployment measured at 2.0%. Median home value sits at $264,700 (38% above the state average), median rent at $971 a month, and owner-occupancy at 60.9%.

This is a highly-educated ZIP: 52.5% of adults hold a bachelor's degree or higher, the median age is 41, and the average commute is 23 minutes. To put 63109 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in St. Louis County, for a geography-aware comparison.

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 63109

Top 5 sectors by establishment count in Saint Louis, MO

Which industries have the most business establishments in ZIP 63109.

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 63109, 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

26,946

Population

9.2

Area (sq mi)

2,914

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 63109?

41.0

Median Age

49.1%

Male

50.9%

Female

4.5%

Foreign-Born

White 87.7%
African American 5.7%
Asian 1.5%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.2%
Hispanic or Latino 3.8%

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?

$69,938

Median Household Income

+5% vs state

$50,768

Per Capita Income

9.9%

Poverty Rate

2.0%

Unemployment Rate

23.1 min

Mean Commute Time

How ZIP 63109 ranks nationally

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

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

$69,938 46th percentile higher than 46% 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%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. 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 68.2%
Bachelor's Degree or Higher 52.5%

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

What does housing look like?

15,066

Total Housing Units

14,080

Occupied Units

986

Vacant Units

1.78

Avg Household Size

Occupancy Type

Owner 60.9%
Renter 39.1%

$264,700

Median Home Value

+38% vs state

$971

Median Rent

1940

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

+4.5%

YoY Change (2024)

243

HPI Index (2000 = 100)

+143%

Total Change Since 2000

Home values in ZIP 63109 have increased 4.5% over the past year (2024). Since 2000, this ZIP has seen +143% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.8% 174
2021 +9.1% 190
2022 +11.6% 212
2023 +9.8% 233
2024 +4.5% 243

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 574 business establishments in ZIP 63109, employing approximately 4,513 people with a combined annual payroll of $176,577,000.

574

Businesses

4,513

Employees

$176.6M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 117 20.4%
Professional, scientific, and technical services 73 12.7%
Other services (except public administration) 73 12.7%
Accommodation and food services 71 12.4%
Retail trade 60 10.4%
Finance and insurance 42 7.3%
Real estate and rental and leasing 30 5.2%
Construction 27 4.7%
Administrative and support and waste management and remediation services 26 4.5%
Wholesale trade 14 2.4%
Transportation and warehousing 9 1.6%
Arts, entertainment, and recreation 9 1.6%
Information 8 1.4%
Manufacturing 6 1.1%
Educational services 5 0.9%

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 63109 vs 63139 →

ZIP 63109 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 63109 ranks #5 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 63109 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 63109 ranks #6 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
63139 Saint Louis, MO 22,789 1.8 mi
63116 Saint Louis, MO 43,540 1.7 mi
63143 Saint Louis, MO 9,678 2.3 mi
63119 Saint Louis, MO 33,969 3.0 mi
63123 Saint Louis, MO 49,308 3.0 mi
63125 Saint Louis, MO 32,201 4.6 mi
63110 Saint Louis, MO 17,107 3.3 mi
63111 Saint Louis, MO 20,313 3.1 mi
63118 Saint Louis, MO 26,704 3.8 mi
63117 Saint Louis, MO 9,163 3.7 mi

More ZIP Codes in St. Louis County

63116 standard
Saint Louis, MO
Pop: 43,540
63118 standard
Saint Louis, MO
Pop: 26,704
63139 standard
Saint Louis, MO
Pop: 22,789
63108 standard
Saint Louis, MO
Pop: 21,568
63115 standard
Saint Louis, MO
Pop: 20,775
63112 standard
Saint Louis, MO
Pop: 20,368

Related Areas

St. Louis County Saint Louis, MO Missouri

Frequently Asked Questions

What county is ZIP code 63109 in? ▼
ZIP code 63109 (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-29510.
What is the population of ZIP code 63109? ▼
ZIP code 63109 in Saint Louis, MO has a population of 26,946 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63109? ▼
The median household income in ZIP 63109 is $69,938, which is 8% below the national average of $76,288.
What is the average home value in ZIP 63109? ▼
The median home value in ZIP 63109 is $264,700, which is 5% below the national average of $278,155.
What is the demographic makeup of ZIP 63109? ▼
The largest racial group in ZIP 63109 is White at 87.7%. Hispanic or Latino residents make up 3.8% of the population.
How many businesses are in ZIP code 63109? ▼
ZIP code 63109 has 574 business establishments employing approximately 4,513 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63109? ▼
The top industries by establishment count in ZIP 63109 are: Health care and social assistance (117), Professional, scientific, and technical services (73), Other services (except public administration) (73). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 63109? ▼
According to the FHFA House Price Index, home values in ZIP 63109 increased by 4.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 143%. 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 63109? ▼
In ZIP code 63109, 68.2% of residents aged 25+ have a high school diploma or higher, and 52.5% 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 63109? ▼
The mean commute time for workers in ZIP code 63109 is 23.1 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 63109? ▼
In ZIP code 63109, approximately 60.9% of occupied housing units are owner-occupied and 39.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63109? ▼
The poverty rate in ZIP code 63109 is 9.9% 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.