County · Indiana
Spencer County, Indiana
Spencer County, Indiana. Spencer County had 20,061 residents in 2025 by the Census Bureau's estimate, up 1.3% since 2020, slower than Indiana (+2.8%). It holds 21 places (7 cities, villages and boroughs, 9 towns and townships and 5 census-designated) and 6 census tracts. GEOID 18147.
Residents, July 2025 estimate
20,061
Census Bureau estimate (no margin published)
2020 Census count: 19,810 · ACS 2020-2024: 19,955
Median household income
$74,506
±$7,344 (90% margin)
Indiana: $71,957
Median home value
$185,200
±$10,399 (90% margin)
Indiana: $218,200
Median gross rent
$751
±$136 (90% margin)
Indiana: $1,062
How many people live in Spencer County, and is it growing?
The 2020 Census counted 19,810 residents in Spencer County. The Census Bureau estimates 20,061 for July 1, 2025, up 1.3% since 2020, slower than Indiana (+2.8%). The 2020-2024 American Community Survey puts the population at 19,955 over 397 square miles of land.
| Measure | Spencer County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Total population | 19,955 | 6,851,073 | −492 |
| Households | 8,078±143 | 2,716,009 | no clear change |
| Average household size | 2.43±0.04 | 2.46 | no clear change |
| Housing units | 8,727±43 | 2,976,568 | −368 |
Spencer County's population since 2000
From 20,391 in 2000 to 20,061 in 2025: down 1.6%. 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 Spencer County?
Spencer County holds 21 places: 7 cities, villages and boroughs (incorporated places), 9 towns and townships (county subdivisions with their own government) and 5 census-designated places. The largest is Ohio Township, Spencer County with 4,886 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Ohio Township, Spencer County | 4,842 | $76,125 |
|---|---|---|
| Carter Township | 3,228 | $75,288 |
| Clay Township, Spencer County | 2,862 | $89,167 |
| Santa Claus | 2,586 | $89,659 |
| Luce Township | 2,389 | $62,241 |
| Rockport | 1,984 | $48,889 |
| Harrison Township, Spencer County | 1,936 | $67,821 |
| Hammond Township | 1,579 | $83,565 |
| Dale | 1,544 | $61,953 |
| Grass Township | 1,113 | $54,549 |
| Huff TownshipGEOID 1814735140 | 1,058 | $127,692 |
| Jackson Township, Spencer County | 803 | $48,956 |
| HatfieldGEOID 1832494 | 708 | $71,932 |
| Grandview | 698 | $50,987 |
| St. MeinradGEOID 1867176 | 664 | $52,402 |
| Chrisney | 465 | $55,625 |
| ReoGEOID 1863810 | – | $103,478 |
| Richland | 403 | $73,250 |
| GentryvilleGEOID 1827270 | 243 | $49,241 |
| NewtonvilleGEOID 1853676 | – | $108,472 |
| Mariah HillGEOID 1846764 | – | $46,932 |
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 Spencer County?
The median resident of Spencer County is 44.4 years old; 21.6% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 93.2%, then Hispanic or Latino residents (of any race) at 3.6%. 2.2% of residents were born outside the United States.
| Measure | Spencer County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.4±0.2 | 38.1 | no clear change |
| Under 18 years | 21.6%±0.1 pts | 23.3% | – |
| 65 years and over | 20.6%±0.2 pts | 16.8% | – |
| Hispanic or Latino (any race) | 3.6% | 8.6% | +0.7 pts |
| White alone, not Hispanic | 93.2%±0.3 pts | 75.4% | −1.7 pts |
| Black or African American alone, not Hispanic | 0.6%±0.2 pts | 9.1% | no clear change |
| Asian alone, not Hispanic | 0.2%±0.2 pts | 2.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.0%±0.3 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.4%±0.3 pts | 0.4% | – |
| Born outside the United States | 2.2%±0.6 pts | 6.3% | no clear change |
| Speak a language other than English at home (age 5+) | 3.5%±0.8 pts | 10.3% | – |
| Civilian veterans (age 18+) | 6.8%±1.0 pts | 6.3% | – |
| With a disability | 14.2%±1.6 pts | 14.2% | – |
| No health insurance coverage | 4.7%±1.1 pts | 7.4% | no clear change |
| High school graduate or higher (age 25+) | 93.1%±1.2 pts | 90.4% | – |
| Bachelor's degree or higher (age 25+) | 22.0%±2.3 pts | 29.5% | +6.8 pts |
| Graduate or professional degree (age 25+) | 8.3%±1.1 pts | 10.8% | – |
| Moved from another state in the past year | 2.3%±0.8 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 Spencer County earn?
Half of Spencer County's 8,078 households earn less than $74,506 a year (±$7,344), against $71,957 in Indiana. In 2015-2019 it was $70,525 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.5% of residents live below the poverty line.
| Measure | Spencer County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $74,506±$7,344 | $71,957 | no clear change |
| Mean household income | $88,201±$4,227 | $95,247 | – |
| Per capita income | $36,369±$1,558 | $38,351 | no clear change |
| People below the poverty line | 7.5%±1.2 pts | 12.3% | no clear change |
| Children under 18 below the poverty line | 9.5%±3.3 pts | 16.0% | no clear change |
| Households receiving SNAP | 6.7%±1.5 pts | 9.1% | – |
| Households with a broadband subscription | 84.1%±2.7 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 Spencer County?
Owners occupy 81.3% of Spencer County's occupied homes and renters 18.7%. The median owner-occupied home is valued at $185,200 by its owner (±$10,399). The median renter pays $751 a month including utilities, and 25.1% of renters pay 35% or more of their income on rent.
| Measure | Spencer County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $185,200±$10,399 | $218,200 | +$28,040 |
| Median gross rent | $751±$136 | $1,062 | no clear change |
| Renters paying 35% or more of income on rent | 25.1%±6.7 pts | 38.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,317±$53 | $1,404 | – |
| Owner-occupied homes | 81.3%±2.6 pts | 70.6% | no clear change |
| Housing units | 8,727±43 | 2,976,568 | −368 |
| Homeowner vacancy rate | 0.8%±0.7 pts | 0.8% | – |
| Rental vacancy rate | 3.2%±2.4 pts | 5.6% | – |
| Single-family detached homes | 80.7%±2.9 pts | 72.6% | – |
| Mobile homes | 10.7%±2.3 pts | 4.4% | – |
| Built 2020 or later | 0.8%±0.4 pts | 1.7% | – |
| Built 1939 or earlier | 13.1%±1.9 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 Spencer County building?
Builders took permits for 100 new housing units across Spencer County in 2025 (100 single-family), 5.0 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 Spencer County get to work?
87.5% of Spencer County's workers drive alone and 4.5% work from home. The average trip to work takes 26.0 minutes. The unemployment rate in 2020-2024 averaged 3.3%.
| Measure | Spencer County | Indiana | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.7%±1.9 pts | 63.8% | – |
| Unemployment rate | 3.3%±1.2 pts | 4.3% | no clear change |
| Drove alone to work | 87.5%±1.7 pts | 76.3% | – |
| Carpooled | 5.4%±1.3 pts | 9.1% | – |
| Public transportation | 0.1%±0.1 pts | 0.6% | – |
| Walked | 1.8%±0.9 pts | 1.9% | – |
| Worked from home | 4.5%±1.1 pts | 10.7% | no clear change |
| Mean travel time to work | 26.0 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 Spencer County's census tracts?
Spencer County is divided into 6 census tracts. Among those with a reliable estimate, median household income runs from $53,711 (Tract 9529) to $102,143 (Tract 9528).
| Tract 9527.0118147952701 | 4,279±295 | $80,551 |
|---|---|---|
| Tract 9527.0218147952702 | 3,114±156 | $69,063 |
| Tract 952818147952800 | 3,193±343 | $102,143 |
| Tract 952918147952900 | 2,598±283 | $53,711 |
| Tract 953018147953000 | 4,116±397 | $76,838 |
| Tract 953118147953100 | 2,655±292 | $63,285 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Spencer County compare with Indiana's other counties?
| Measure | Rank |
|---|---|
| Population | 73rd of 92 |
| Growth 2020-2025 | 43rd of 92 |
| Residents per square mile | 76th of 92 |
| Median household income | 26th of 92 |
| Median home value | 42nd of 92 |
| Median gross rent | 83rd of 92 |
| Poverty rate | 82nd of 92 |
| Bachelor's degree or higher | 30th of 92 |
| Median age | 5th 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 Spencer 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.