County · Indiana
Putnam County, Indiana
Putnam County, Indiana. Putnam County had 37,876 residents in 2025 by the Census Bureau's estimate, up 3.1% since 2020, in line with Indiana (+2.8%). It holds 23 places (6 cities, villages and boroughs, 13 towns and townships and 4 census-designated) and 9 census tracts. GEOID 18133.
Putnam County is the county of the Greencastle, IN micropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
37,876
Census Bureau estimate (no margin published)
2020 Census count: 36,726 · ACS 2020-2024: 37,280
Median household income
$78,378
±$6,390 (90% margin)
Indiana: $71,957
Median home value
$218,900
±$9,627 (90% margin)
Indiana: $218,200
Median gross rent
$884
±$41 (90% margin)
Indiana: $1,062
How many people live in Putnam County, and is it growing?
The 2020 Census counted 36,726 residents in Putnam County. The Census Bureau estimates 37,876 for July 1, 2025, up 3.1% since 2020, in line with Indiana (+2.8%). The 2020-2024 American Community Survey puts the population at 37,280 over 481 square miles of land.
| Measure | Putnam County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Total population | 37,280 | 6,851,073 | −104 |
| Households | 14,142±267 | 2,716,009 | +599 |
| Average household size | 2.32±0.04 | 2.46 | no clear change |
| Housing units | 15,268±89 | 2,976,568 | +188 |
Putnam County's population since 2000
From 36,019 in 2000 to 37,876 in 2025: up 5.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Putnam County?
Putnam County holds 23 places: 6 cities, villages and boroughs (incorporated places), 13 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is Greencastle Township with 12,807 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Greencastle Township | 12,554 | $65,078 |
|---|---|---|
| Greencastle | 9,820 | $55,565 |
| Floyd Township | 4,128 | $88,442 |
| Cloverdale Township | 3,887 | $66,277 |
| Warren Township, Putnam County | 3,408 | $103,548 |
| Heritage Lake | 3,012 | $87,568 |
| Washington Township, Putnam County | 2,488 | $84,179 |
| Cloverdale | 2,060 | $42,243 |
| PutnamvilleGEOID 1862406 | – | $150,625 |
| Marion Township, Putnam County | 1,890 | $107,891 |
| Franklin Township, Putnam County | 1,609 | $85,169 |
| Monroe Township, Putnam County | 1,494 | $82,083 |
| Jefferson Township, Putnam County | 1,318 | $58,594 |
| Clinton Township, Putnam County | 1,233 | $47,917 |
| Madison Township, Putnam CountyGEOID 1813346080 | 1,105 | $89,426 |
| Jackson Township, Putnam County | 857 | $99,158 |
| Roachdale | 840 | $66,216 |
| Russell TownshipGEOID 1813366474 | 755 | $75,125 |
| Bainbridge | 684 | $59,712 |
| Fillmore | 532 | $85,543 |
| Van Bibber LakeGEOID 1878380 | 460 | $37,315 |
| RussellvilleGEOID 1866510 | 306 | $72,875 |
| GrovelandGEOID 1830114 | – | $88,255 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Putnam County?
The median resident of Putnam County is 38.4 years old; 19.3% are under 18 and 17.3% are 65 or older. The largest group is non-Hispanic white residents at 90.6%, then non-Hispanic Black residents at 3.3%. 2.4% of residents were born outside the United States.
| Measure | Putnam County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.4±0.4 | 38.1 | no clear change |
| Under 18 years | 19.3%±0.3 pts | 23.3% | – |
| 65 years and over | 17.3%±0.2 pts | 16.8% | – |
| Hispanic or Latino (any race) | 2.3% | 8.6% | +0.4 pts |
| White alone, not Hispanic | 90.6%±0.3 pts | 75.4% | −1.2 pts |
| Black or African American alone, not Hispanic | 3.3%±0.5 pts | 9.1% | +0.8 pts |
| Asian alone, not Hispanic | 1.3%±0.2 pts | 2.6% | −1.2 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.2%±0.6 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.3%±0.2 pts | 0.4% | – |
| Born outside the United States | 2.4%±0.6 pts | 6.3% | no clear change |
| Speak a language other than English at home (age 5+) | 3.8%±0.9 pts | 10.3% | – |
| Civilian veterans (age 18+) | 8.4%±1.2 pts | 6.3% | – |
| With a disability | 15.1%±1.5 pts | 14.2% | – |
| No health insurance coverage | 4.6%±1.0 pts | 7.4% | no clear change |
| High school graduate or higher (age 25+) | 92.6%±1.3 pts | 90.4% | – |
| Bachelor's degree or higher (age 25+) | 20.2%±1.8 pts | 29.5% | +3.4 pts |
| Graduate or professional degree (age 25+) | 6.5%±1.1 pts | 10.8% | – |
| Moved from another state in the past year | 1.3%±0.4 pts | 2.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Putnam County earn?
Half of Putnam County's 14,142 households earn less than $78,378 a year (±$6,390), against $71,957 in Indiana. In 2015-2019 it was $75,130 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.7% of residents live below the poverty line.
| Measure | Putnam County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $78,378±$6,390 | $71,957 | no clear change |
| Mean household income | $90,595±$4,119 | $95,247 | – |
| Per capita income | $34,784±$1,507 | $38,351 | +$2,638 |
| People below the poverty line | 8.7%±1.6 pts | 12.3% | −2.6 pts |
| Children under 18 below the poverty line | 10.1%±3.4 pts | 16.0% | −7.5 pts |
| Households receiving SNAP | 8.1%±1.8 pts | 9.1% | – |
| Households with a broadband subscription | 88.7%±1.9 pts | 89.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Putnam County?
Owners occupy 75.4% of Putnam County's occupied homes and renters 24.6%. The median owner-occupied home is valued at $218,900 by its owner (±$9,627). The median renter pays $884 a month including utilities, and 38.8% of renters pay 35% or more of their income on rent.
| Measure | Putnam County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $218,900±$9,627 | $218,200 | +$60,387 |
| Median gross rent | $884±$41 | $1,062 | −$85 |
| Renters paying 35% or more of income on rent | 38.8%±6.9 pts | 38.9% | +18.5 pts |
| Median monthly owner costs, with a mortgage | $1,408±$63 | $1,404 | – |
| Owner-occupied homes | 75.4%±2.7 pts | 70.6% | no clear change |
| Housing units | 15,268±89 | 2,976,568 | +188 |
| Homeowner vacancy rate | 1.5%±1.0 pts | 0.8% | – |
| Rental vacancy rate | 2.2%±2.4 pts | 5.6% | – |
| Single-family detached homes | 79.1%±2.3 pts | 72.6% | – |
| Mobile homes | 7.8%±1.6 pts | 4.4% | – |
| Built 2020 or later | 1.7%±0.7 pts | 1.7% | – |
| Built 1939 or earlier | 18.3%±2.1 pts | 16.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Putnam County building?
Builders took permits for 99 new housing units across Putnam County in 2025 (97 single-family), 2.6 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Putnam County get to work?
76.2% of Putnam County's workers drive alone and 10.1% work from home. The average trip to work takes 27.5 minutes. The unemployment rate in 2020-2024 averaged 3.1%.
| Measure | Putnam County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 56.4%±1.5 pts | 63.8% | – |
| Unemployment rate | 3.1%±0.9 pts | 4.3% | no clear change |
| Drove alone to work | 76.2%±2.5 pts | 76.3% | – |
| Carpooled | 7.4%±1.7 pts | 9.1% | – |
| Public transportation | 0.0%±0.2 pts | 0.6% | – |
| Walked | 5.9%±1.2 pts | 1.9% | – |
| Worked from home | 10.1%±1.9 pts | 10.7% | +5.3 pts |
| Mean travel time to work | 27.5 min±1.3 | 24.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Putnam County's census tracts?
Putnam County is divided into 9 census tracts. Among those with a reliable estimate, median household income runs from $50,824 (Tract 9563.02) to $88,386 (Tract 9564.02).
| Tract 956018133956000 | 3,195±343 | $85,338 |
|---|---|---|
| Tract 956118133956100 | 2,639±463 | $87,702 |
| Tract 956218133956200 | 5,443±387 | $77,931 |
| Tract 9563.0118133956301 | 4,880±351 | $60,829 |
| Tract 9563.0218133956302 | 1,906±338 | $50,824 |
| Tract 9564.0118133956401 | 3,312±238 | $82,294 |
| Tract 9564.0218133956402 | 3,982±359 | $88,386 |
| Tract 956518133956500 | 6,692±451 | $80,116 |
| Tract 956618133956600 | 5,231±314 | $81,771 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Putnam County compare with Indiana's other counties?
| Measure | Rank |
|---|---|
| Population | 41st of 92 |
| Growth 2020-2025 | 13th of 92 |
| Residents per square mile | 51st of 92 |
| Median household income | 15th of 92 |
| Median home value | 26th of 92 |
| Median gross rent | 42nd of 92 |
| Poverty rate | 76th of 92 |
| Bachelor's degree or higher | 45th of 92 |
| Median age | 75th of 92 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Putnam County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.