Marshall County, KY ZIP Codes

5 ZIP codes cover all or part of Marshall County, Kentucky: 42025, 42029, 42044, 42048 and 42082. The Census Bureau counts 31,743 residents in the county, with a median household income of $65,831 and a median home value of $173,800. Median household income ranges from $55,714 in 42048 to $70,067 in 42025. Its largest communities include Benton, Calvert City, Hardin and Gilbertsville.

Marshall County (Census county figures)

MeasureCensus figure
Residents31,743
Households13,209
Median household income$65,831
Median home value$173,800
Median age45.1
Median rent$798

All 5 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)33,273
Households (sum of ZIP codes)13,763
Median household income, range across ZIP codes$55,714 (42048) to $70,067 (42025)
Household-weighted average of ZIP medians (an approximation, not a true median)$66,668
Homeowners81.8%
Households with kids under 1828.1%
Moved in the past year10.4%
Carrier routes in EDDM2GO's route library29 routes, 15,741 homes (5 of 5 ZIP codes)

Top facts

Every ZIP code in Marshall County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
42025Benton19,9418,361$70,067$172,10083.6%24.1%10.4%179,84196% of its land
42029Calvert City5,5522,439$64,083$154,10066.9%33.0%8.2%52,804100% of its land
42044Gilbertsville3,8941,453$57,333$271,40092.0%35.3%13.4%31,858100% of its land
42048Hardin2,083802$55,714$138,80079.3%36.3%12.1%21,13693% of its land
42082Symsonia1,803708$67,000$223,20094.5%33.5%9.5%287931% of its land

A ZIP code is listed for Marshall County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Marshall County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Marshall County, KY?
42025, 42029, 42044, 42048 and 42082. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Marshall County?
31,743 residents in 13,209 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Marshall County?
$65,831 for the county as a whole. Its ZIP codes range from $55,714 (42048) to $70,067 (42025).
Which Marshall County ZIP code has the highest median household income?
42025, at $70,067, among ZIP codes with at least 1,000 residents. See the full ranking of Marshall County ZIP codes by income.
How many carrier routes and mailboxes are in Marshall County?
For the 5 of 5 ZIP codes in EDDM2GO's stored route library: 29 carrier routes reaching 15,741 residential and 774 business mailboxes.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.