Checked
Putnam County, IN
10 cities and towns and 8 ZIP codes in Putnam County, Indiana.
Population
37,280
Land area
481sq mi
People per sq mi
78
ZIP codes
8
Cities and towns in Putnam County
Putnam County at a glance
- Putnam County is 59% less dense than Indiana as a whole.
- The median household income is $78,378, 9% above the Indiana median of $71,957.
- A typical owner-occupied home is valued at $218,900 and median rent is $884 a month.
- Its largest cities are Greencastle (9,864), Heritage Lake (3,227) and Cloverdale (2,195).
Local data for Putnam County, IN
Counts from official public data
Housing and community stats
Putnam County, IN, American Community Survey 2020-2024
Median household income
$78,378
Poverty rate
8.7%
Median home value
$218,900
Prices +4.1% in a year
Median rent
$884/mo
Homeownership
75.4%
Bachelor's or higher
20.2%
Median age
38.4
Average commute
27.5 min
Largest reported origins and ancestries: German Americans (5,048), Irish Americans (2,758), Scottish Americans (1,023).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.6%
Sep 2026, +0.2 pts in a year
Average annual pay
$52,996
12,562 jobs, 2025
Income per person
$51,068
BEA, 2024
Federal spending
$244M
FY 2026, $6,633 per person
PPP loans
$43M
824 loans, 5,936 jobs reported
Campaign donations
$42.8K
Itemized, 2026 cycle
How people get to work
Putnam County, IN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.2%
- Carpooled7.4%
- Public transit0.0%
- Walked5.9%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.5%
- Worked from home10.1%
Average one-way commute: 27.5 minutes for people who do not work from home.
Environment and hazard risk
Putnam County, IN, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: strong wind
Storm events since 1996
387
Most often thunderstorm wind
Flood insurance policies
35
0.2% of homes, county
July high / Jan low
83° / 17°F
46.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone16 historic places
Health statistics
Share of adults in Putnam County, IN, CDC PLACES estimates
Obesity
38.4%
U.S. 33.3% +5.1 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
16.4%
U.S. 12.8% +3.6 pts
Uninsured (18-64)
8.0%
U.S. 11.1% -3.1 pts
Cities, towns and ZIP codes in Putnam County
Population shown
Frequently asked questions
- What is the largest city in Putnam County, IN?
- Greencastle is the largest city or town in Putnam County, with about 9,864 residents.
- How many ZIP codes are in Putnam County?
- Putnam County includes 8 ZIP Code Tabulation Areas, including 46105, 46120, 46128, 46135, 46170.
- What is the population of Putnam County, IN?
- About 37,280 people live in Putnam County, based on American Community Survey 5-year estimates.
- What counties border Putnam County?
- Putnam County borders Hendricks County, Morgan County, Montgomery County, Clay County, Owen County, Parke County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023