Hardin

Source:

Ohio

Hardin is a county in Ohio with 9 ZIP codes and a total population of 32,820. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Hardin is a county inside Ohio (FIPS code 39065) that contains 9 USPS ZIP codes covering a combined population of 32,820 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 9 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 43326 covering Kenton with 13,611 residents at 29 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 39065, 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.

9

Total ZIPs

32,820

Total Population

ZIP Codes in Hardin

Side-by-side: Compare 43326 vs 45810 →

ZIP Code City Population Density
43326 Kenton 13,611 29
45810 Ada 8,460 52
45843 Forest 3,701 14
45812 Alger 1,943 19
43340 Mount Victory 1,721 14
45836 Dunkirk 1,479 24
43345 Ridgeway 920 12
45859 Mc Guffey 495 144
45835 Dola 490 10

What are common questions about ZIP codes in this county?

What is the population of Hardin?
Hardin has a total population of 32,820 across 9 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Hardin?
Hardin includes 9 ZIP codes: 43326, 45810, 45843, 45812, 43340, 45836, 43345, 45859, 45835.
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.