Hardin

Source:

Kentucky

Hardin is a county in Kentucky with 12 ZIP codes and a total population of 117,019. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Hardin is a county inside Kentucky (FIPS code 21093) that contains 12 USPS ZIP codes covering a combined population of 117,019 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 12 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Hardin is 42701 covering Elizabethtown with 48,194 residents at 117 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Hardin uses FIPS code 21093, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

12

Total ZIPs

117,019

Total Population

ZIP Codes in Hardin

Side-by-side: Compare 42701 vs 40160 →

ZIP Code City Population Density
42701 Elizabethtown 48,194 117
40160 Radcliff 23,574 540
40175 Vine Grove 13,070 67
40121 Fort Knox 10,124 115
40162 Rineyville 6,056 41
42724 Cecilia 4,714 24
42776 Sonora 2,736 16
42784 Upton 2,685 17
42732 Eastview 2,120 14
42740 Glendale 1,973 24
40177 West Point 1,463 41
42788 White Mills 310 14

What are common questions about ZIP codes in this county?

What is the population of Hardin?
Hardin has a total population of 117,019 across 12 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Hardin?
Hardin includes 12 ZIP codes: 42701, 40160, 40175, 40121, 40162, 42724, 42776, 42784, 42732, 42740, and more.
What is the median household income in Hardin?
Median household income data for individual ZIP codes in Hardin is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.