Township · Indiana
Union Township, Montgomery County, Indiana
Union Township, Montgomery County, township, in Montgomery County, Indiana. Union Township, Montgomery County had 25,751 residents on July 1, 2025 by the Census Bureau's estimate, up 2.6% since 2020; the 2020 Census counted 25,087 and the ACS 2020-2024 5-year estimates put it at 25,367 (±33). GEOID 1810777480.
Residents, July 2025 estimate
25,751
Census Bureau estimate (no margin published)
2020 Census count: 25,087 · ACS 2020-2024: 25,367 ±33
Median household income
$63,529
±$8,070 (90% margin)
Indiana: $71,957
Median home value
$174,000
±$9,640 (90% margin)
Indiana: $218,200
Median gross rent
$847
±$45 (90% margin)
Indiana: $1,062
Where is Union Township, Montgomery County and what county is it in?
Union Township, Montgomery County is a township in Montgomery County, Indiana. It covers 111.6 square miles of land, 225 residents per square mile in 2020.
2 places lie inside Union Township (Montgomery County): Crawfordsville (city, 16,306 in 2020) and Lake Holiday (CDP, 921 in 2020). Part of New Market (town) also lies in it.
Union Township, Montgomery County is in the Crawfordsville, IN micropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Union Township, Montgomery County, and is it growing?
The Census Bureau estimates that 25,751 people lived in Union Township, Montgomery County on July 1, 2025, up 2.6% since 2020, in line with Indiana (+2.8%). The 2020 Census counted 25,087 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 25,367 (±33).
| Measure | Union Township, Montgomery County | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 25,367±33 | 38,312 | +609 |
| Households | 10,422±327 | 15,602 | no clear change |
| Average household size | 2.32±0.07 | 2.38 | no clear change |
| Housing units | 11,089±248 | 16,585 | no clear change |
Union Township, Montgomery County's population since 2000
From 23,837 in 2000 to 25,751 in 2025: up 8.0%. The 2000, 2010 and 2020 figures are census counts, each for Union Township, Montgomery County 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 Union Township, Montgomery County?
The median resident of Union Township, Montgomery County is 39.7 years old; 23.3% are under 18 and 19.1% are 65 or older. The largest group is non-Hispanic white residents at 86.0%, then Hispanic or Latino residents (of any race) at 8.3%. 4.4% of residents were born outside the United States.
| Measure | Union Township, Montgomery County | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.7±1.3 | 40.4 | no clear change |
| Under 18 years | 23.3%±1.1 pts | 23.0% | – |
| 65 years and over | 19.1%±1.1 pts | 18.9% | – |
| Male | 50.4%±0.9 pts | 50.8% | – |
| Hispanic or Latino (any race) | 8.3%±0.5 pts | 6.2% | +1.8 pts |
| White alone, not Hispanic | 86.0%±1.1 pts | 89.0% | −3.6 pts |
| Black or African American alone, not Hispanic | 1.2%±0.5 pts | 0.9% | no clear change |
| Asian alone, not Hispanic | 0.5%±0.2 pts | 0.5% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.9%±0.7 pts | 2.7% | – |
| Some other race alone, not Hispanic | 1.1%±0.8 pts | 0.7% | – |
| Born outside the United States | 4.4%±0.9 pts | 3.3% | no clear change |
| Speak a language other than English at home (age 5+) | 8.0%±1.6 pts | 6.2% | – |
| Civilian veterans (age 18+) | 7.5%±1.2 pts | 7.8% | – |
| With a disability | 16.6%±2.3 pts | 15.3% | – |
| No health insurance coverage | 8.4%±1.7 pts | 8.2% | no clear change |
| High school graduate or higher (age 25+) | 88.0%±2.2 pts | 89.6% | – |
| Bachelor's degree or higher (age 25+) | 20.4%±2.9 pts | 20.4% | no clear change |
| Graduate or professional degree (age 25+) | 8.5%±2.1 pts | 7.3% | – |
| Lived in the same house a year earlier | 85.7%±2.9 pts | 86.4% | – |
| Moved from another state in the past year | 1.7%±0.8 pts | 1.2% | – |
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 Union Township, Montgomery County earn?
Half of Union Township, Montgomery County's 10,422 households earn less than $63,529 a year (±$8,070), against $71,479 in Montgomery County and $71,957 in Indiana. In 2015-2019 it was $65,452 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.3% of residents live below the poverty line.
| Measure | Union Township, Montgomery County | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $63,529±$8,070 | $71,479 | no clear change |
| Mean household income | $85,984±$6,031 | $88,874 | – |
| Per capita income | $35,824±$2,329 | $36,354 | no clear change |
| People below the poverty line | 12.3%±2.2 pts | 10.5% | no clear change |
| Children under 18 below the poverty line | 15.9%±4.6 pts | 13.5% | no clear change |
| Households receiving SNAP | 11.0%±3.0 pts | 9.2% | – |
| Households with a computer | 93.8%±1.7 pts | 94.7% | – |
| Households with a broadband subscription | 89.9%±2.1 pts | 90.1% | – |
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 Union Township, Montgomery County?
Owners occupy 76.2% of Union Township, Montgomery County's occupied homes and renters 23.8%. The median owner-occupied home is valued at $174,000 by its owner (±$9,640). The median renter pays $847 a month including utilities, and 34.8% of renters pay 35% or more of their income on rent.
| Measure | Union Township, Montgomery County | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $174,000±$9,640 | $171,800 | +$12,902 |
| Median gross rent | $847±$45 | $858 | no clear change |
| Renters paying 35% or more of income on rent | 34.8%±8.2 pts | 33.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,213±$46 | $1,224 | – |
| Owner-occupied homes | 76.2%±3.5 pts | 80.3% | +10.4 pts |
| Renter-occupied homes | 23.8%±3.5 pts | 19.7% | – |
| Housing units | 11,089±248 | 16,585 | no clear change |
| Homeowner vacancy rate | 0.7%±0.8 pts | 0.6% | – |
| Rental vacancy rate | 8.4%±6.5 pts | 6.9% | – |
| Single-family detached homes | 69.4%±3.8 pts | 76.2% | – |
| Mobile homes | 7.5%±2.2 pts | 7.0% | – |
| Built 2020 or later | 0.5%±0.4 pts | 0.8% | – |
| Built 2010 to 2019 | 4.5%±1.4 pts | 4.0% | – |
| Built 1939 or earlier | 24.0%±3.1 pts | 28.0% | – |
| Households with no vehicle | 6.1%±1.4 pts | 5.6% | – |
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 do people in Union Township, Montgomery County work and get to work?
75.4% of Union Township, Montgomery County's workers drive alone and 7.8% work from home. The average trip to work takes 20.3 minutes. The unemployment rate in 2020-2024 averaged 3.5%.
| Measure | Union Township, Montgomery County | Montgomery County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.8%±2.4 pts | 63.9% | – |
| Unemployment rate | 3.5%±1.2 pts | 3.3% | no clear change |
| Drove alone to work | 75.4%±3.0 pts | 78.1% | – |
| Carpooled | 11.7%±2.6 pts | 10.3% | – |
| Public transportation | 0.3%±0.3 pts | 0.2% | – |
| Walked | 4.5%±1.1 pts | 3.2% | – |
| Worked from home | 7.8%±2.2 pts | 7.4% | +5.2 pts |
| Mean travel time to work | 20.3 min±1.9 | 22.8 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 Union Township, Montgomery County?
4 census tracts lie mostly in Union Township, Montgomery County, and 5 more reach into it (2020 census blocks). Their median household incomes run from $47,535 (Tract 9572) to $85,179 (Tract 9574).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9571Montgomery County | 5,503 | $57,784 |
| Tract 9570Montgomery County | 5,140 | $56,310 |
| Tract 9572Montgomery County | 4,232 | $47,535 |
| Tract 9574Montgomery County | 4,817 | $85,179 |
| Tract 9569Montgomery County | 5,319 | $93,500 |
| Tract 9573Montgomery County | 3,918 | $88,646 |
| Tract 9568Montgomery County | 3,085 | $82,442 |
| Tract 9567Montgomery County | 2,965 | $81,339 |
| Tract 9575Montgomery County | 3,333 | $80,163 |
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 Union Township, Montgomery County) · Census block assignment files
How does Union Township, Montgomery County compare with other places in Indiana?
By the Census Bureau's July 2025 estimates, Union Township, Montgomery County is the 437th-most populous of the 16,079 U.S. towns and townships that have one and the 59th-most populous of 1,001 in Indiana.
Union Township, Montgomery County ranks 720th 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 | 59th | 1,001 |
| Growth 2020-2025 (PEP) | 281st | 1,056 |
| Residents per square mile | 476th | 1,088 |
| Median household income | 720th | 1,072 |
| Per capita income | 496th | 1,087 |
| Median home value | 623rd | 1,075 |
| Median gross rent | 593rd | 904 |
| Poverty rate | 331st | 736 |
| Bachelor's degree or higher | 519th | 1,029 |
| Median age | 600th | 1,083 |
| Owner-occupied share | 680th | 1,087 |
| Work from home | 355th | 595 |
| Travel time to work | 910th | 1,088 |
Union Township, Montgomery County's figures with every place in Indiana (CSV)
Every place in Indiana, sortable · Compare Union Township, Montgomery County 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 Union Township, Montgomery County?
7 of the 57 figures for Union Township, Montgomery County 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 Union Township, Montgomery 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.