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Carroll County, Indiana

Named in 1828 for Charles Carroll, signer of the Declaration of Independence

County Seat: Delphi

Largest City: Delphi (2024 population: 3,018)

Population per Square Mile: 55.74

Square Miles: 372.20

Go to county's in.gov site

Population over TimeNumberRank in StatePercent of StateIndiana
Yesterday (2020)20,306720.3%6,484,050
Today (2024)20,747700.3%6,924,275
Tomorrow (2030 projection)*20,505690.3%7,013,509
Percent Change 2020 to Today2.2%25 2.0%

*Projection based on 2020 Census population estimates.
Sources: U.S. Census Bureau; Indiana Business Research Center

Components of Population Change, 2023-2024NumberRank in StatePercent of StateIndiana
Net Domestic Migration13734 4,268
Net International Migration2752 30,852
Natural Increase (births minus deaths)14270.2%9,159

Source: U.S. Census Bureau

Population Estimates by Age, 2024NumberRank in StatePct Dist.
in County
Pct Dist.
in State
Preschool (0 to 4)1,102715.3%5.9%
School Age (5 to 17)3,3257116.0%17.0%
College Age (18 to 24)1,487747.2%9.7%
Young Adult (25 to 44)4,8517123.4%25.9%
Older Adult (45 to 64)5,4307026.2%23.9%
Seniors (65 and older)4,5526821.9%17.5%
Median Age43.5  Median Age = 38.3

Sources: U.S. Census Bureau; Indiana Business Research Center

Population Estimates by Race and Hispanic Origin, 2024NumberRank of Pct Dist.
in County
Pct Dist.
in State
American Indian or Alaska Native Alone100630.5%0.5%
Asian Alone78780.4%3.1%
Black Alone203701.0%10.6%
Native Hawaiian and Other Pac. Isl. Alone6730.0%0.1%
White20,0976996.9%83.2%
Two or More Race Groups263751.3%2.5%
Hispanic or Latino Origin (can be of any race)    
Non-Hispanic19,7287095.1%90.9%
Hispanic1,019584.9%9.1%

Source: U.S. Census Bureau

Household TypesNumberRank in StatePct Dist.
in County
Pct Dist.
in State
Households in 2023 (Includes detail not shown below)8,02469100.0%100.0%
Married With Children1,4146917.6%18.1%
Married Without Children2,9107036.3%29.3%
Single Parents560737.0%8.9%
Living Alone2,3667029.5%29.6%

Source: U.S. Census Bureau, American Community Survey 5-year estimates.

HousingNumberRank in StatePct Dist.
in County
Pct Dist.
in State
Total Housing Units in 2024 (estimate)9,62270100.0%100.0%
Total Housing Units in 2023 (includes vacant units)9,53970100.0%100.0%
Owner Occupied
(Pct. distribution based on all housing units)
6,4767067.9%63.9%
Median Value (2023)$167,70048  
Renter Occupied
(Pct. distribution based on all housing units)
1,5487616.2%26.9%
Median Rent (2023)$66439  

Source: U.S. Census Bureau, American Community Survey 5-year estimates.

EducationNumberRank in StatePercent of StateIndiana
School Enrollment (2024/2025 Total Reported) 2,334740.2%1,132,621
Public2,334740.2%1,033,552
Adults (25+ in 2023 ACS)14,426700.3%4,559,304
with High School diploma or higher89.7%54 90.2%
with B.A. or higher degree15.5%72 28.8%

Sources: Indiana Department of Education; U.S. Census Bureau, American Community Survey 5-year estimates.

Income and PovertyNumberRank in StatePercent of StateIndiana
Per Capita Personal Income (annual) in 2023$53,1445386.8%61,243
Median Household Income in 202371,74026103.3%$69,458
Poverty Rate in 20239.2%7475.4%12.2%
Poverty Rate among Children under 1811.7%7177.5%15.1%
Welfare (TANF) Monthly Average Families in 202411670.2%4,813
Food Stamp Recipients in 20241,057810.2%608,295
Free and Reduced Fee Lunch Recipients in 2024/20251,181760.2%488,145

Sources: U.S. Bureau of Economic Analysis; U.S. Census Bureau; Indiana Family Social Services Administration; Indiana Department of Education

Health and Vital StatisticsNumberRank of Percent of StateIndiana
Births, 2021225690.3%79,946
Births to Teens, 20210860.0%3,845
Deaths, 2019166810.3%66,005

Source: Indiana State Department of Health

Labor Force, 2024NumberRank in StatePercent of StateIndiana
Total Resident Labor Force10,939650.3%3,455,992
Employed10,547650.3%3,310,992
Unemployed392710.3%145,000
Annual Unemployment Rate3.67485.7%4.2
May 2025 Unemployment Rate3.15691.2%3.4

Source: STATS Indiana, using data from the Indiana Department of Workforce Development

Employment and Earnings by Industry, 2023 EmploymentPct Dist.
in County
Earnings ($000)Pct Dist.
In County
Avg. Earnings Per Job
Total by place of work8,596100.0%$463,925100.0%$53,970
Wage and Salary5,82067.7%$292,06163.0%$50,182
Farm Proprietors3654.2%$46,69210.1%$127,923
Nonfarm Proprietors2,41128.0%$61,54213.3%$25,526
Farm5386.3%$55,58612.0%$103,320
Nonfarm8,05893.7%$408,33988.0%$50,675
Private7,23884.2%$362,27478.1%$50,052
  Accommodation, Food Serv.Data not available due to BEA non-disclosure requirements.
  Arts, Ent., RecreationData not available due to BEA non-disclosure requirements.
  Construction5816.8%$37,3438.0%$64,274
  Health Care, Social Serv.Data not available due to BEA non-disclosure requirements.
  Information260.3%$7850.2%$30,192
  ManufacturingData not available due to BEA non-disclosure requirements.
  Professional, Tech. Serv.2943.4%$12,2062.6%$41,517
  Retail Trade7138.3%$21,8394.7%$30,630
  Trans., Warehousing3454.0%$20,6314.4%$59,800
  Wholesale TradeData not available due to BEA non-disclosure requirements.
  Other Private (not above)1,791*20.8%*$68,705*14.8%*$38,361*
Government8209.5%$46,0659.9%$56,177

Source: U.S. Bureau of Economic Analysis
* These totals do not include county data that are not available due to BEA non-disclosure requirements.

Residential Building Permits, 2024UnitsPct Dist.
in County
Pct Dist.
in State
Cost ($000)State Cost ($000)
Total Permits Filed32100.0%100.0%$11,096$8,133,071
Single-Family32100.0%75.4%$11,096$6,951,719
2-Family00.0%1.9%0$100,498
3- and 4-Family00.0%0.8%$0$45,624
5+ Family00.0%21.9%$0$1,035,231

Notes: Detail cost may not sum to total due to rounding. Greene County does not currently issue building permits, so it is excluded.
Source: U.S. Census Bureau

Largest Cities and Towns in Carroll County

NamePopulation
in 2024
Percent of County
Burlington5302.6%
Camden6092.9%
Delphi3,01814.5%
Flora2,11710.2%
Yeoman1200.6%

Source: U.S. Census Bureau annual population estimates

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