Hardin County, OH demographics:
population, income, and more

Total population
30,475
-0.2% year-over-year change
Median household income
$62,484/yr
7.7% year-over-year change
Housing units
12,917
-0.0% year-over-year change

Hardin County population

How many people live in Hardin County

Hardin County is home to 30,475 residents, according to the most recent Census data. Gender-wise, 50% of Hardin County locals are male, and 50% are female.

Total population
30,475
-0.2% year-over-year change
Gender ratio
Male
50%
15,238
Female
50%
15,237
Value Percent YoY change
Male 15,238 50% 0.7%
Female 15,237 50% -1.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Hardin County is 35, with the population distributed as follows: about 19% are children under 15, then 20.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.3% of the population, while another 23.5% fall into the 45 to 64 bracket. Finally, around 16.1% are 65 or older.

Median age
35.2
Age breakdown
Under 15
19%
15 to 24
20.1%
25 to 44
21.3%
45 to 64
23.5%
Over 65
16.1%
Value Percent YoY change
Under 15 5,789 19% -1.6%
15 to 24 6,114 20.1% 0.8%
25 to 44 6,489 21.3% 0.5%
45 to 64 7,164 23.5% -0.7%
Over 65 4,919 16.1% 0.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Hardin County, 98.8% of the population are US-born citizens, while 0.7% have gained naturalized citizenship. At the same time, 0.5% of residents are non-citizens. As for race, 93% of locals are Caucasian, 1.3% are African American and 0.9% have Asian roots. Another 0.2% are Indigenous American, 0.1% are Pacific Islanders, while 0.7% identify as another race. There’s also a share of 3.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.8%
Non-U.S.-born citizens
0.7%
Non-citizens
0.5%
Value Percent YoY change
U.S.-born citizens 30,126 98.8% 0.0%
Non-U.S.-born citizens 209 0.7% 18.8%
Non-citizens 140 0.5% -37.5%
Racial breakdown
White
93%
Black or African American
1.3%
American Indian and Alaska Native
0.2%
Asian
0.9%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
3.9%
Other
0.7%
Value Percent
White 28,330 93%
Black or African American 387 1.3%
American Indian and Alaska Native 49 0.2%
Asian 273 0.9%
Native Hawaiian and other Pacific Islander 23 0.1%
Two or more races 1,197 3.9%
Other 216 0.7%

Households in Hardin County

A peek inside Hardin County households

Hardin County has 11,724 households, with an average of 2 members in each. Of these, 65% are families, while the remaining 35% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
11,724
0.1% year-over-year change
Average people per household
2
Non-family households
4,100
Family households
7,624
Value Percent YoY change
Non-family households 4,100 35% -2.2%
Family households 7,624 65% 1.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Hardin County

The housing landscape of Hardin County

Hardin County's housing consists of 12,917 units, with 76.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 11% of the housing landscape.

Housing units
12,917
-0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 9,874 76.4%
1 unit, attached 162 1.2%
2 units 287 2.2%
3 or 4 units 515 4%
5 to 9 units 349 2.7%
10 to 19 units 188 1.5%
20 to 49 units 101 0.8%
50 or more units 14 0.1%
Mobile home 1,427 11%
Homes built since 2020
161
106.4% year-over-year change

The age of buildings in Hardin County

In Hardin County, the median construction year is 1969. About 29.2% of homes were built before the 1940s, with another 5.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.9% of homes were added from 2000 to 2009, 5.3% between 2010 and 2019, and 1.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,778 29.2% 2.8%
Built between 1940 and 1949 705 5.5% 3.8%
Built between 1950 and 1959 789 6.1% -12.2%
Built between 1960 and 1969 1,300 10.1% -3.4%
Built between 1970 and 1979 2,060 16% 0.8%
Built between 1980 and 1989 1,114 8.6% 6.1%
Built between 1990 and 1999 1,310 10.1% -13.9%
Built between 2000 and 2009 1,017 7.9% 1.2%
Built between 2010 and 2019 683 5.3% 9.3%
Built in 2020 or later 161 1.2% 106.4%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Hardin County occupancy rates

Out of the 11,724 occupied housing units in Hardin County, 74.7% are owner-occupied, while 25.3% are lived in by tenants. Meanwhile, 9.2% of all homes on the local market sit vacant.

Occupied housing units
11,724
0.1% year-over-year change
Occupancy breakdown
Renter occupied
2,968
Owner occupied
8,756
Value Percent YoY
change
Renter occupied 2,968 25.3% -5.1%
Owner occupied 8,756 74.7% 2.0%
Unoccupied housing units
9.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Hardin County housing costs

Housing costs in Hardin County come to a median of $798 per month, while tenants specifically pay a median gross rent of $793.

Median housing costs per month
$798/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Hardin County
$793/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Hardin County

Hardin County education at a glance

About 48.1% of the population in Hardin County went to high school, while 23.8% pursued college studies. Another 8.1% earned an associate degree and 11.3% hold a bachelor’s. Meanwhile, 5.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 751 3.2% -11.5%
High school diploma 11,300 48.1% -2.5%
College diploma 5,597 23.8% 1.9%
Associate degree 1,894 8.1% 7.6%
Bachelor's degree 2,659 11.3% 5.3%
Graduate degree 1,307 5.6% 6.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Hardin County

How much people earn in Hardin County

The average annual household income in Hardin County was $82,547 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +10.8% change from the previous year. At the same time, the median income stood at $62,484, reflecting a +7.7% shift over the same period.

Average household income in Hardin County
$82,547/year
10.8% year-over-year change
Median household income in Hardin County
$62,484/year
7.7% year-over-year change

Hardin County income by age

In Hardin County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $66,702. Those with someone between 45 and 64 in charge, often well established professionally, earn $75,667 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $61,204, while those led by someone over 65, many of whom may be retired, have about $48,224 in earnings. Overall, 82.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $61,204 24.8%
25 - 44 $66,702 7.6%
45 - 64 $75,667 4.3%
Over 65 $48,224 7.0%
Above poverty level
23,168
Below poverty level
4,841
Value Percent YoY
change
Above poverty level 23,168 82.7% 1.2%
Below poverty level 4,841 17.3% -4.0%

Employment in Hardin County

Workforce and job types in Hardin County

The job market in Hardin County is powered by 14,287 working residents, spread across a range of industries and roles. 64.6% of the working population are employed in professional or administrative positions, while 35.4% are in hands-on or service-based jobs. Also, 8.9% run their own businesses, 68.1% are employed by private companies, and 15.2% work in the public sector.

Workforce demographics

Working population
14,287
1.4% year-over-year change
White collar
9,232
Blue collar
5,055
Value Percent YoY change
White collar 9,232 64.6% 2.3%
Blue collar 5,055 35.4% -0.4%
Employer type
Self employees
8.9%
Private companies
68.1%
Governmental workers
15.2%
Not for profit companies
7.8%
Value Percent YoY change
Self employees 1,272 8.9% -5.6%
Private companies 9,726 68.1% 2.9%
Governmental workers 2,168 15.2% 2.8%
Not for profit companies 1,121 7.8% -5.6%
Unemployment rate
4.6%
15.2% year-over-year change

Available workforce

The unemployment rate in Hardin County stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Hardin County

How people get around in Hardin County

Commuting methods vary: 89% of residents travel by personal vehicle and 4.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 12,383 89% 0.7%
Taxicab 2 0% 0.0%
Bus or trolleybus 5 0% N/A
Motorcycle 30 0.2% 200.0%
Bicycle 22 0.2% N/A
Walk 671 4.8% -5.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Hardin County by zipcode?

Zipcode Population Number of households Median income Average income
43310 3,177 1,323 $68,388 $89,942
43326 12,573 5,173 $63,785 $82,818
43340 2,103 655 $72,446 $92,404
43345 666 269 $90,821 $93,649
43347 1,113 421 $93,893 $98,998
45810 7,449 2,531 $63,451 $82,881
45812 2,027 751 $44,045 $78,023
45835 449 207 $76,042 $82,950
45836 1,573 639 $56,250 $73,621
45843 4,184 1,613 $71,541 $87,217

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FAQs about Hardin County demographics 

What is the total population of Hardin County?

Hardin County has a total population of 30,475 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.2% compared to a year ago.

What is the gender ratio in Hardin County?

The gender ratio in Hardin County is as follows:
  • 50% males (15,238 residents)
  • 50% females (15,237 residents)

What is the median age in Hardin County?

The median age in Hardin County is 35.2.

What is the age distribution of the population in Hardin County?

The age distribution in Hardin County is as follows:
  • Under 15: 19% (5,789 residents)
  • Ages 15-24: 20.1% (6,114 residents)
  • Ages 25-44: 21.3% (6,489 residents)
  • Ages 45-64: 23.5% (7,164 residents)
  • Over 65: 16.1% (4,919 residents)

What is the racial and ethnic makeup of Hardin County?

The racial and ethnic makeup of Hardin County is as follows:
  • White: 93% (28,330 residents)
  • Black or African American: 1.3% (387 residents)
  • American Indian and Alaska Native: 0.2% (49 residents)
  • Asian: 0.9% (273 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (23 residents)
  • Two or More Races: 3.9% (1,197 residents)
  • Other: 0.7% (216 residents)

What percentage of the population in Hardin County are U.S.-born citizens?

U.S.-born citizens represent 98.8% of the population in Hardin County.

How many housing units are there in Hardin County?

There are 12,917 housing units in Hardin County, reflecting a -0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Hardin County and what is the average household size?

Hardin County has a total of 11,724 households, with an average of 2 people in each.

What is the median household income in Hardin County?

Hardin County has a median household income of $62,484, representing a +7.7% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Hardin County?

The employment rate is 95.4% in Hardin County, with a workforce of 14,287 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 64.6% (9,232 residents)
  • Blue-collar workers: 35.4% (5,055 residents)

Places of employment:
  • Self-employed: 8.9% (1,272 residents)
  • Private companies: 68.1% (9,726 residents)
  • Governmental workers: 15.2% (2,168 residents)
  • Not-for-profit companies: 7.8% (1,121 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025