Warren County, MO ZIP codes

10 ZIP/ZCTAs intersecting this county.

ACS 2023 population

36,467

Median household income

$77,989

Median home value

$241,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Warren County (GEOID 29219). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 55,468 (10 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Warren County

Population overlap

Share of each ZIP/ZCTA’s population located within Warren County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

6334819.8%
633491.6%
6335131.7%
6335795.1%
Directory county
633635.8%
63380100.0%
Directory county
6338141.0%
Directory county
6338398.7%
Directory county
6339091.7%
Directory county
650412.1%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Warren County

ZIP	City	County	Population	Income
63348	Foristell	St. Charles County	10,207	$106,458
63349	Hawk Point	Lincoln County	1,976	$81,719
63351	Jonesburg	Montgomery County	1,410	$66,528
63357	Marthasville	Warren County	6,593	$87,500
63363	New Florence	Montgomery County	1,089	$51,646
63380	Truesdale	Warren County	980	$62,500
63381	Truxton	Warren County	678	$109,231
63383	Warrenton	Warren County	16,120	$75,833
63390	Wright City	Warren County	10,856	$79,803
65041	Hermann	Gasconade County	5,559	$65,099

USPS associates these ZIPs with Warren County

These codes list Warren County as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
63342	Dutzow	Warren County	67	—
63378	Treloar	Warren County	—	—