ZIP Code Tabulation Area · Missouri

ZIP Code 63023: Jefferson County, MO

ZIP Code 63023 (Jefferson County, Missouri) has an estimated 5,002 residents in 1,895 households. The median household income is $79,583, the median home value is $212,800 and the median gross rent is $1,045/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 Oct 26, 2026

Total population

5,002

Margin of error ±991

Median household income

$79,583

Margin of error ±$16,652

Median home value

$212,800

Margin of error ±$45,236

Median gross rent

$1,045/mo

Margin of error ±$472

Median age

39.8 yrs

Margin of error ±4.4 yrs

Mean travel time to work

40.1 min

Margin of error ±13.8 min

How ZIP 63023 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 6302339.8 yrsMissouri39.0 yrsUnited States38.9 yrs

Median household income

ZIP 63023$79,583Missouri$70,702United States$80,734

Per capita income

ZIP 63023$33,441Missouri$39,695United States$44,673

Poverty rate

ZIP 6302312.4%Missouri12.6%United States12.5%

Unemployment rate

ZIP 630234.2%Missouri4.0%United States5.2%

Bachelor's degree or higher

ZIP 6302320.4%Missouri32.4%United States35.7%

Median home value

ZIP 63023$212,800Missouri$230,300United States$332,700

Median gross rent

ZIP 63023$1,045/moMissouri$1,033/moUnited States$1,413/mo

Owner-occupied homes

ZIP 6302388.3%Missouri68.1%United States65.2%

Mean travel time to work

ZIP 6302340.1 minMissouri23.5 minUnited States26.4 min

Worked from home

ZIP 630235.9%Missouri13.0%United States15.1%

All figures for ZIP 63023

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 63023 — ACS 2020–2024 5-year estimates
Measure	ZIP 63023	Margin of error	Missouri	United States
Total population	5,002	±991	6,191,814	334,922,499
Median age	39.8 yrs	±4.4 yrs	39.0 yrs	38.9 yrs
Households	1,895	±317	2,508,227	129,227,496
Median household income	$79,583	±$16,652	$70,702	$80,734
Per capita income	$33,441	±$4,259	$39,695	$44,673
Poverty rate	12.4%	±5.6 pts	12.6%	12.5%
Unemployment rate	4.2%	±2.5 pts	4.0%	5.2%
Bachelor's degree or higher	20.4%	±5.2 pts	32.4%	35.7%
Median home value	$212,800	±$45,236	$230,300	$332,700
Median gross rent	$1,045/mo	±$472	$1,033/mo	$1,413/mo
Owner-occupied homes	88.3%	±1.8 pts	68.1%	65.2%
Mean travel time to work	40.1 min	±13.8 min	23.5 min	26.4 min
Worked from home	5.9%	±3.0 pts	13.0%	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 63023
Group	ZIP 63023	Missouri	United States
White alone, not Hispanic or Latino	88.9%	76.3%	57.4%
Black or African American alone, not Hispanic or Latino	0.3%	10.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.2%	0.5%
Asian alone, not Hispanic or Latino	0.3%	2.1%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.6%	0.4%	0.6%
Two or more races, not Hispanic or Latino	9.3%	4.8%	4.3%
Hispanic or Latino (of any race)	0.5%	5.2%	19.3%

Where ZIP 63023 is

State: Missouri
Main county: Jefferson County
Land area: 64.35 sq mi· about 78 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 Jefferson County

63010 Arnold, MO 63012 Barnhart, MO 63016 Jefferson County, MO 63019 Crystal City, MO 63020 Jefferson County, MO 63026 Fenton, MO 63028 Jefferson County, MO 63048 Herculaneum, MO 63049 Jefferson County, MO 63050 Jefferson County, MO 63051 Jefferson County, MO 63052 Jefferson County, MO 63053 Kimmswick, MO 63070 Pevely, MO

See every ZIP code in Missouri, or compare ZIP 63023 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.