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.

  • July 2020→2021 +330 (37,026)
  • 2021→2022 +81 (37,107)
  • 2022→2023 +93 (37,200)
  • 2023→2024 +558 (37,758)
  • 2024→2025 +118 (37,876)
Putnam County in Indiana. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasurePutnam CountyIndianaChange since 2015-2019
Total population37,2806,851,073−104
Households14,142±2672,716,009+599
Average household size2.32±0.042.46no clear change
Housing units15,268±892,976,568+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.

  • 2000 Census 36,019
  • 2005 (estimate) 37,780
  • 2010 Census 37,963
  • 2015 (estimate) 37,397
  • 2020 Census 36,726
  • 2025 (estimate) 37,876

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.

Places in Putnam County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Greencastle Townshiptownship12,55412,701±52$65,078$208,7009.5%100%
Greencastlecity9,8209,864±42$55,565$169,20012.2%100%
Floyd Townshiptownship4,1284,210±29$88,442$263,70010.9%100%
Cloverdale Townshiptownship3,8873,995±20$66,277$168,00010.6%100%
Warren Township, Putnam Countytownship3,4083,412±11$103,548$262,5005.5%100%
Heritage LakeCDP3,0123,227±244$87,568$262,90013.3%100%
Washington Township, Putnam Countytownship2,4882,529±17$84,179$282,9002.7%100%
Cloverdaletown2,0602,195±344$42,243$136,50014.9%100%
PutnamvilleGEOID 1862406CDP–1,959±191$150,625not published0.0%100%
Marion Township, Putnam Countytownship1,8902,141±428$107,891$223,4009.9%100%
Franklin Township, Putnam Countytownship1,6091,724±346$85,169$188,00013.3%100%
Monroe Township, Putnam Countytownship1,4941,527±216$82,083$236,7007.1%100%
Jefferson Township, Putnam Countytownship1,3181,333±313$58,594$232,2001.5%100%
Clinton Township, Putnam Countytownship1,2331,238±420$47,917$112,0008.8%100%
Madison Township, Putnam CountyGEOID 1813346080township1,105983±295$89,426$324,8007.5%100%
Jackson Township, Putnam Countytownship857947±243$99,158$176,9004.8%100%
Roachdaletown840971±304$66,216$143,40018.7%100%
Russell TownshipGEOID 1813366474township755540±173$75,125$251,50010.9%100%
Bainbridgetown684605±143$59,712$180,50013.7%100%
Fillmoretown532895±277$85,543$110,0005.0%100%
Van Bibber LakeGEOID 1878380CDP460658±333$37,315$65,50014.3%100%
RussellvilleGEOID 1866510town306308±145$72,875$120,8006.8%100%
GrovelandGEOID 1830114CDP–209±178$88,255$255,7000.0%100%

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.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasurePutnam CountyIndianaChange since 2015-2019
Median age38.4±0.438.1no clear change
Under 18 years19.3%±0.3 pts23.3%–
65 years and over17.3%±0.2 pts16.8%–
Hispanic or Latino (any race)2.3%8.6%+0.4 pts
White alone, not Hispanic90.6%±0.3 pts75.4%−1.2 pts
Black or African American alone, not Hispanic3.3%±0.5 pts9.1%+0.8 pts
Asian alone, not Hispanic1.3%±0.2 pts2.6%−1.2 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic2.2%±0.6 pts3.8%–
Some other race alone, not Hispanic0.3%±0.2 pts0.4%–
Born outside the United States2.4%±0.6 pts6.3%no clear change
Speak a language other than English at home (age 5+)3.8%±0.9 pts10.3%–
Civilian veterans (age 18+)8.4%±1.2 pts6.3%–
With a disability15.1%±1.5 pts14.2%–
No health insurance coverage4.6%±1.0 pts7.4%no clear change
High school graduate or higher (age 25+)92.6%±1.3 pts90.4%–
Bachelor's degree or higher (age 25+)20.2%±1.8 pts29.5%+3.4 pts
Graduate or professional degree (age 25+)6.5%±1.1 pts10.8%–
Moved from another state in the past year1.3%±0.4 pts2.1%–

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.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasurePutnam CountyIndianaChange since 2015-2019
Median household income$78,378±$6,390$71,957no 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 line8.7%±1.6 pts12.3%−2.6 pts
Children under 18 below the poverty line10.1%±3.4 pts16.0%−7.5 pts
Households receiving SNAP8.1%±1.8 pts9.1%–
Households with a broadband subscription88.7%±1.9 pts89.9%–

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.

Housing, ACS 2020-2024 5-year estimates
MeasurePutnam CountyIndianaChange 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 rent38.8%±6.9 pts38.9%+18.5 pts
Median monthly owner costs, with a mortgage$1,408±$63$1,404–
Owner-occupied homes75.4%±2.7 pts70.6%no clear change
Housing units15,268±892,976,568+188
Homeowner vacancy rate1.5%±1.0 pts0.8%–
Rental vacancy rate2.2%±2.4 pts5.6%–
Single-family detached homes79.1%±2.3 pts72.6%–
Mobile homes7.8%±1.6 pts4.4%–
Built 2020 or later1.7%±0.7 pts1.7%–
Built 1939 or earlier18.3%±2.1 pts16.0%–

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.

  • 2019 213 units
  • 2020 164 units
  • 2021 151 units
  • 2022 122 units
  • 2023 103 units
  • 2024 166 units
  • 2025 99 units

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%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasurePutnam CountyIndianaChange since 2015-2019
In the labor force (age 16+)56.4%±1.5 pts63.8%–
Unemployment rate3.1%±0.9 pts4.3%no clear change
Drove alone to work76.2%±2.5 pts76.3%–
Carpooled7.4%±1.7 pts9.1%–
Public transportation0.0%±0.2 pts0.6%–
Walked5.9%±1.2 pts1.9%–
Worked from home10.1%±1.9 pts10.7%+5.3 pts
Mean travel time to work27.5 min±1.324.1 minno 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).

Census tracts of Putnam County, ACS 2020-2024 5-year estimates; sort by any column
Tract 956018133956000Roachdale (19%)3,1093,195±343$85,338$182,700$98810.5%
Tract 956118133956100Van Bibber Lake (20%)2,6582,639±463$87,702$210,300$8346.9%
Tract 956218133956200Greencastle (73%)4,8055,443±387$77,931$204,100$9026.6%
Tract 9563.0118133956301Greencastle (93%)4,9824,880±351$60,829$162,200$94710.1%
Tract 9563.0218133956302Greencastle (62%)2,3271,906±338$50,824$243,800$84016.1%
Tract 9564.0118133956401Heritage Lake (76%)3,2263,312±238$82,294$258,600not published13.6%
Tract 9564.0218133956402Bainbridge (20%)3,9383,982±359$88,386$231,300$1,1808.2%
Tract 956518133956500Cloverdale (27%)6,0246,692±451$80,116$198,200$8326.8%
Tract 956618133956600Greencastle (1%)5,6575,231±314$81,771$282,400not published4.9%

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?

Putnam County's rank among Indiana's counties with a reliable estimate (1 = highest)
MeasureRank
Population41st of 92
Growth 2020-202513th of 92
Residents per square mile51st of 92
Median household income15th of 92
Median home value26th of 92
Median gross rent42nd of 92
Poverty rate76th of 92
Bachelor's degree or higher45th of 92
Median age75th of 92

Every county in Indiana

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.