PlainZIP

Saint Louis, MO · standard

ZIP Code 63140

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

294
226/sq mi
$45,568
Median income
$84,100
Median home value
28.1%
Bachelor's or higher

The verdict

Saint Louis pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a low-density, renter-heavy area.

10th pct
household income, US ZIPs
5th pct
home value, US ZIPs
226
people per sq mi
23%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63140 against every reporting US ZIP.

ZIP code 63140 is a sparsely populated ZIP (a standard USPS delivery area) in Saint Louis, St. Louis County, Missouri, home to just 294 residents across 1.3 square miles, a density of 226 people per square mile, in the Chicago time zone.

ZIP 63140 reports a modest median household income of $45,568 (32% below the Missouri average), while per-capita income is $30,393. 33.5% of residents live below the poverty line, and the unemployment rate reads 8.4%. Median home value sits at $84,100 (56% below the state average), median rent at $885 a month, and owner-occupancy at 23.2%.

Educational attainment sits below the national norm: 28.1% of adults hold a bachelor's degree or higher, the median age is 27.6, and the average commute is -. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing St. Louis County, letting you compare 63140 to its immediate surroundings rather than a national baseline 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 →

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 63140, 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

294

Population

1.3

Area (sq mi)

226

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 63140?

27.6

Median Age

44.6%

Male

55.4%

Female

4.7%

Foreign-Born

White 28.8%
African American 57.0%
Asian 1.3%
American Indian or Alaska Native 2.5%
Native Hawaiian or Pacific Islander 1.6%
Two or More Ethnicities 7.6%
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?

$45,568

Median Household Income

-32% vs state

$30,393

Per Capita Income

33.5%

Poverty Rate

8.4%

Unemployment Rate

How ZIP 63140 ranks nationally

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

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

$45,568 10th percentile higher than 10% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $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 56.1%
Bachelor's Degree or Higher 28.1%

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

What does housing look like?

224

Total Housing Units

177

Occupied Units

47

Vacant Units

1.75

Avg Household Size

Occupancy Type

Owner 23.2%
Renter 76.8%

$84,100

Median Home Value

-56% vs state

$885

Median Rent

1969

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 7 business establishments in ZIP 63140, employing approximately 572 people with a combined annual payroll of $35,309,000.

7

Businesses

572

Employees

$35.3M

Annual Payroll

0

Industry Sectors

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 63140 vs 63134 →

ZIP 63140 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 63140 ranks #0 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 63140 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 63140 ranks #7 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
63134 Saint Louis, MO 13,638 1.3 mi
63135 Saint Louis, MO 21,334 1.5 mi
63121 Saint Louis, MO 26,602 2.5 mi
63136 Saint Louis, MO 48,560 3.4 mi
63133 Saint Louis, MO 8,161 4.1 mi
63130 Saint Louis, MO 30,084 5.1 mi
63114 Saint Louis, MO 36,201 3.3 mi
63074 Saint Ann, MO 15,164 3.6 mi
63105 Saint Louis, MO 17,667 6.5 mi
63033 Florissant, MO 43,000 4.7 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 63140 in? ▼
ZIP code 63140 (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 63140? ▼
ZIP code 63140 in Saint Louis, MO has a population of 294 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63140? ▼
The median household income in ZIP 63140 is $45,568, which is 40% below the national average of $76,288.
What is the average home value in ZIP 63140? ▼
The median home value in ZIP 63140 is $84,100, which is 70% below the national average of $278,155.
What is the demographic makeup of ZIP 63140? ▼
The largest racial group in ZIP 63140 is African American at 57.0%. Hispanic or Latino residents make up 2.2% of the population.
How many businesses are in ZIP code 63140? ▼
ZIP code 63140 has 7 business establishments employing approximately 572 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 63140? ▼
In ZIP code 63140, 56.1% of residents aged 25+ have a high school diploma or higher, and 28.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 63140? ▼
In ZIP code 63140, approximately 23.2% of occupied housing units are owner-occupied and 76.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63140? ▼
The poverty rate in ZIP code 63140 is 33.5% 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.