ZIP Code Tabulation Area · Missouri

ZIP Code 63140: Kinloch, MO

ZIP Code 63140 (Kinloch, St. Louis County, Missouri) has an estimated 316 residents in 177 households. The median household income is $45,568, the median home value is $84,100 and the median gross rent is $885/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. 7 figures for this ZIP (poverty rate, unemployment, bachelor's or higher, home value, owner-occupied, commute, work from home) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

316

Margin of error ±135

Median household income

$45,568

Margin of error ±$19,825

Median home value

$84,100*

Margin of error ±$41,618· estimate has a large margin of error

Median gross rent

$885/mo

Margin of error ±$90

Median age

27.6 yrs

Margin of error ±9.5 yrs

Mean travel time to work

45.3 min*

Margin of error ±43.0 min· estimate has a large margin of error

How ZIP 63140 compares with Missouri and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 6314027.6 yrsMissouri39.0 yrsUnited States38.9 yrs

Median household income

ZIP 63140$45,568Missouri$70,702United States$80,734

Per capita income

ZIP 63140$30,393Missouri$39,695United States$44,673

Poverty rate

ZIP 6314033.5%*Missouri12.6%United States12.5%

Unemployment rate

ZIP 631408.4%*Missouri4.0%United States5.2%

Bachelor's degree or higher

ZIP 6314028.1%*Missouri32.4%United States35.7%

Median home value

ZIP 63140$84,100*Missouri$230,300United States$332,700

Median gross rent

ZIP 63140$885/moMissouri$1,033/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6314023.2%*Missouri68.1%United States65.2%

Mean travel time to work

ZIP 6314045.3 min*Missouri23.5 minUnited States26.4 min

Worked from home

ZIP 6314015.9%*Missouri13.0%United States15.1%

All figures for ZIP 63140

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 63140 — ACS 2020–2024 5-year estimates
MeasureZIP 63140Margin of errorMissouriUnited States
Total population316±1356,191,814334,922,499
Median age27.6 yrs±9.5 yrs39.0 yrs38.9 yrs
Households177±752,508,227129,227,496
Median household income$45,568±$19,825$70,702$80,734
Per capita income$30,393±$10,001$39,695$44,673
Poverty rate33.5%*±16.1 pts12.6%12.5%
Unemployment rate8.4%*±11.5 pts4.0%5.2%
Bachelor's degree or higher28.1%*±19.8 pts32.4%35.7%
Median home value$84,100*±$41,618$230,300$332,700
Median gross rent$885/mo±$90$1,033/mo$1,413/mo
Owner-occupied homes23.2%*±18.5 pts68.1%65.2%
Mean travel time to work45.3 min*±43.0 min23.5 min26.4 min
Worked from home15.9%*±13.8 pts13.0%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 63140
GroupZIP 63140MissouriUnited States
White alone, not Hispanic or Latino28.8%76.3%57.4%
Black or African American alone, not Hispanic or Latino57.0%10.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino1.6%0.2%0.5%
Asian alone, not Hispanic or Latino1.3%2.1%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino1.6%0.1%0.2%
Some other race alone, not Hispanic or Latino0.0%0.4%0.6%
Two or more races, not Hispanic or Latino7.6%4.8%4.3%
Hispanic or Latino (of any race)2.2%5.2%19.3%

Where ZIP 63140 is

State
Missouri
Main county
St. Louis County
Largest overlapping place
Kinloch (99% of the ZIP's land area)
Land area
0.53 sq mi· about 596 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in St. Louis County

63117 Richmond Heights, MO63119 Webster Groves, MO63121 Normandy, MO63122 Kirkwood, MO63123 Affton, MO63124 Ladue, MO63125 Lemay, MO63126 Crestwood, MO63127 Sunset Hills, MO63128 Concord, MO63129 Oakville, MO63130 University City, MO63131 Town and Country, MO63132 Olivette, MO63133 Pagedale, MO63134 Berkeley, MO63135 Ferguson, MO63136 Jennings, MO63137 Bellefontaine Neighbors, MO63138 Spanish Lake, MO63141 Creve Coeur, MO63143 Maplewood, MO63144 Brentwood, MO63146 Maryland Heights, MO

See every ZIP code in Missouri, or compare ZIP 63140 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.