Marshall County, KY Demographics & ZIP Codes
Marshall County, Kentucky demographics and median household income by ZIP code — 4 ZIP codes — population 31,153 — avg. income $57,481 — avg. home value $168,525. Compare income, housing, and ZIP-level data on US5.
Marshall County demographics
Marshall County, Kentucky covers 4 ZIP codes, with a combined ZIP-area population of about 31,153.
Median household income in Marshall County
The average median household income across ZIP codes in Marshall County, Kentucky is about $57,481 — about even with the KY ZIP average ($57,217), and about 24% below the U.S. median ($75,149).
Among ZIPs with income data, 42025 (Benton) is near the top at about $66,919, while 42048 (Hardin) is near the bottom at about $41,507.
Housing in Marshall County
For housing in Marshall County, Kentucky, the average median home value is about $168,525 and the average median rent is about $548.
The most populous ZIP is 42025 (Benton) with about 19,238 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Marshall County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 42025 | Benton | Marshall County | KY | 19,238 | $66,919 | $172,800 |
| 42029 | Calvert City | Marshall County | KY | 5,733 | $62,067 | $145,100 |
| 42044 | Calvert City | Marshall County | KY | 4,344 | $59,432 | $237,400 |
| 42048 | Hardin | Marshall County | KY | 1,838 | $41,507 | $118,800 |
Frequently asked questions
What are the demographics of Marshall County?
Marshall County, Kentucky has a combined ZIP-area population of about 31,153 across 4 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Marshall County?
The average median household income across ZIP codes in Marshall County, Kentucky is about $57,481, roughly in line with the state ZIP average ($57,217), and about 24% below the U.S. median ($75,149). Average median home value is about $168,525. Among ZIPs with data, 42025 (Benton) is near the top ($66,919) and 42048 (Hardin) is near the bottom ($41,507).
How many ZIP codes are in Marshall County?
Marshall County, Kentucky includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Marshall County?
This page lists ZIP codes in Marshall County, Kentucky with population, median household income, and home value. Select a ZIP for a full demographics profile.