Town · Indiana
Thorntown, Indiana
Thorntown, town, in Boone County, Indiana. Thorntown had 1,426 residents on July 1, 2025 by the Census Bureau's estimate, down 0.6% since 2020; the 2020 Census counted 1,432 and the ACS 2020-2024 5-year estimates put it at 1,212 (±282). GEOID 1875626.
Residents, July 2025 estimate
1,426
Census Bureau estimate (no margin published)
2020 Census count: 1,432 · ACS 2020-2024: 1,212 ±282
Median household income
$73,750
±$16,929 (90% margin)
Indiana: $71,957
Median home value
$193,800
±$29,136 (90% margin)
Indiana: $218,200
Median gross rent
$928
±$138 (90% margin)
Indiana: $1,062
Where is Thorntown and what county is it in?
Thorntown is a town in Boone County, Indiana. It covers 0.6 square miles of land, 2,336 residents per square mile in 2020.
Thorntown is in the Indianapolis-Carmel-Greenwood, IN metropolitan statistical area, which takes in 11 counties (Census Bureau delineation, July 2023).
Thorntown lies entirely within Sugar Creek Township (Boone County), a township with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Thorntown, and is it growing?
The Census Bureau estimates that 1,426 people lived in Thorntown on July 1, 2025, down 0.6% since 2020, while Indiana grew 2.8%. The 2020 Census counted 1,432 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,212 (±282).
| Measure | Thorntown | Boone County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,212 ±282 | 74,718 | no clear change |
| Households | 447 ±84 | 28,738 | no clear change |
| Average household size | 2.71 ±0.35 | 2.58 | no clear change |
| Housing units | 480 ±89 | 29,737 | −168 |
Thorntown's population since 2000
From 1,562 in 2000 to 1,426 in 2025: down 8.7%. The 2000, 2010 and 2020 figures are census counts, each for Thorntown as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. 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); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Thorntown?
The median resident of Thorntown is 35.0 years old; 30.2% are under 18 and 19.1% are 65 or older. The largest group is non-Hispanic white residents at 94.4%, then non-Hispanic residents of two or more races at 3.7%.
| Measure | Thorntown | Boone County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.0 ±9.1 | 38.8 | no clear change |
| Under 18 years | 30.2% ±8.9 pts | 25.5% | – |
| 65 years and over | 19.1% ±5.5 pts | 15.0% | – |
| Male | 48.5% ±4.7 pts | 49.9% | – |
| Hispanic or Latino (any race) | 1.9% ±2.9 pts | 4.3% | – |
| White alone, not Hispanic | 94.4% ±3.3 pts | 86.2% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±3.0 pts | 3.0% | – |
| Asian alone, not Hispanic | 0.0% ±3.0 pts | 3.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±3.0 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±3.0 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.7% ±2.4 pts | 2.8% | – |
| Some other race alone, not Hispanic | 0.0% ±3.0 pts | 0.1% | – |
| Born outside the United States | 0.5% ±0.8 pts | 5.3% | – |
| Speak a language other than English at home (age 5+) | 2.0% ±1.7 pts | 7.2% | – |
| Civilian veterans (age 18+) | 8.0% ±3.6 pts | 6.0% | – |
| With a disability | 16.1% ±4.4 pts | 10.3% | – |
| No health insurance coverage | 2.5% ±2.5 pts | 4.5% | – |
| High school graduate or higher (age 25+) | 87.7% ±4.5 pts | 94.9% | – |
| Bachelor's degree or higher (age 25+) | 17.5% ±4.9 pts | 51.7% | no clear change |
| Graduate or professional degree (age 25+) | 1.6% ±1.4 pts | 21.0% | – |
| Lived in the same house a year earlier | 71.9% ±12.2 pts | 85.9% | – |
| Moved from another state in the past year | 9.8% ±9.0 pts | 3.1% | – |
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 Thorntown earn?
Half of Thorntown's 447 households earn less than $73,750 a year (±$16,929), against $111,250 in Boone County and $71,957 in Indiana. In 2015-2019 it was $62,169 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.5% of residents live below the poverty line.
| Measure | Thorntown | Boone County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $73,750 ±$16,929 | $111,250 | no clear change |
| Mean household income | $86,182 ±$13,843 | $154,426 | – |
| Per capita income | $32,495 ±$6,313 | $59,577 | no clear change |
| People below the poverty line | 8.5% ±4.2 pts | 4.5% | no clear change |
| Children under 18 below the poverty line | 1.9% ±2.7 pts | 4.0% | – |
| Households receiving SNAP | 15.4% ±7.6 pts | 3.7% | – |
| Households with a computer | 91.7% ±5.6 pts | 97.2% | – |
| Households with a broadband subscription | 85.7% ±7.0 pts | 93.5% | – |
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 Thorntown?
Owners occupy 66.4% of Thorntown's occupied homes and renters 33.6%. The median owner-occupied home is valued at $193,800 by its owner (±$29,136). The median renter pays $928 a month including utilities, and 47.8% of renters pay 35% or more of their income on rent.
| Measure | Thorntown | Boone County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $193,800 ±$29,136 | $376,200 | +$62,362 |
| Median gross rent | $928 ±$138 | $1,359 | no clear change |
| Renters paying 35% or more of income on rent | 47.8% ±16.5 pts | 30.6% | – |
| Median monthly owner costs, with a mortgage | $1,236 ±$119 | $2,012 | – |
| Owner-occupied homes | 66.4% ±8.2 pts | 78.8% | no clear change |
| Renter-occupied homes | 33.6% ±8.2 pts | 21.2% | – |
| Housing units | 480 ±89 | 29,737 | −168 |
| Homeowner vacancy rate | 0.0% ±11.8 pts | 0.1% | – |
| Rental vacancy rate | 0.0% ±21.9 pts | 2.7% | – |
| Single-family detached homes | 77.7% ±7.3 pts | 79.5% | – |
| Mobile homes | 10.4% ±4.8 pts | 2.3% | – |
| Built 2020 or later | 1.0% ±1.4 pts | 4.9% | – |
| Built 2010 to 2019 | 0.0% ±7.5 pts | 20.9% | – |
| Built 1939 or earlier | 43.3% ±8.1 pts | 11.5% | – |
| Households with no vehicle | 4.9% ±3.8 pts | 2.4% | – |
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 Thorntown building?
Builders took permits for 0 new housing units in Thorntown in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 4.2 across Indiana.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Thorntown work and get to work?
77.5% of Thorntown's workers drive alone and 8.9% work from home. The average trip to work takes 27.3 minutes.
| Measure | Thorntown | Boone County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.5% ±6.7 pts | 69.5% | – |
| Unemployment rate | 1.4% ±1.4 pts | 2.8% | – |
| Drove alone to work | 77.5% ±8.8 pts | 72.2% | – |
| Carpooled | 8.9% ±7.4 pts | 5.9% | – |
| Public transportation | 0.4% ±0.9 pts | 0.0% | – |
| Walked | 3.4% ±3.0 pts | 0.6% | – |
| Worked from home | 8.9% ±3.7 pts | 20.2% | – |
| Mean travel time to work | 27.3 min ±4.0 | 23.6 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 census tracts are in Thorntown?
No census tract lies mostly in Thorntown; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8102Boone County | 3,461 | $104,229 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Thorntown) · Census block assignment files
How does Thorntown compare with other places in Indiana?
By the Census Bureau's July 2025 estimates, Thorntown is the 8,911th-most populous of the 19,476 U.S. incorporated places that have one and the 254th-most populous of 566 in Indiana.
Thorntown ranks 500th of 1,072 places in Indiana with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 254th | 566 |
| Growth 2020-2025 (PEP) | 870th | 1,056 |
| Residents per square mile | 50th | 1,088 |
| Median household income | 500th | 1,072 |
| Per capita income | 705th | 1,087 |
| Median home value | 519th | 1,075 |
| Median gross rent | 425th | 904 |
| Poverty rate | 522nd | 736 |
| Bachelor's degree or higher | 646th | 1,029 |
| Median age | 902nd | 1,083 |
| Owner-occupied share | 911th | 1,087 |
| Work from home | 298th | 595 |
| Travel time to work | 398th | 1,088 |
Thorntown's figures with every place in Indiana (CSV)
Every place in Indiana, sortable · Compare Thorntown with other places
Source: PlainCities ranks computed 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 reliable are the figures for Thorntown?
21 of the 57 figures for Thorntown on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
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 Thorntown 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' public schools in Thorntown.