Town · Wisconsin
Town of Seneca, Wood County, Wisconsin
Seneca (town), Wood County, town, in Wood County, Wisconsin. Seneca (town), Wood County had 1,030 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 1,039 and the ACS 2020-2024 5-year estimates put it at 881 (±136). GEOID 5514172575.
Residents, July 2025 estimate
1,030
Census Bureau estimate (no margin published)
2020 Census count: 1,039 · ACS 2020-2024: 881 ±136
Median household income
$86,779
±$6,418 (90% margin)
Wisconsin: $77,485
Median home value
$221,200
±$23,680 (90% margin)
Wisconsin: $266,500
Median gross rent
not published
Wisconsin: $1,087
Where is Seneca (town), Wood County and what county is it in?
Seneca (town), Wood County is a town in Wood County, Wisconsin. It covers 32.2 square miles of land, 32 residents per square mile in 2020.
Seneca (town), Wood County is in the Wisconsin Rapids-Marshfield, WI 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 Seneca (town), Wood County, and is it growing?
The Census Bureau estimates that 1,030 people lived in Seneca (town), Wood County on July 1, 2025, down 0.3% since 2020, while Wisconsin grew 1.3%. The 2020 Census counted 1,039 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 881 (±136).
| Measure | Seneca (town), Wood County | Wood County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 881±136 | 74,004 | −288 |
| Households | 361±46 | 32,253 | −88 |
| Average household size | 2.44±0.29 | 2.26 | no clear change |
| Housing units | 398±49 | 34,755 | no clear change |
Seneca (town), Wood County's population since 2000
From 1,202 in 2000 to 1,030 in 2025: down 14.3%. The 2000, 2010 and 2020 figures are census counts, each for Seneca (town), Wood 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 Seneca (town), Wood County?
The median resident of Seneca (town), Wood County is 48.0 years old; 24.2% are under 18 and 23.7% are 65 or older. The largest group is non-Hispanic white residents at 83.1%, then non-Hispanic Asian residents at 8.2%.
| Measure | Seneca (town), Wood County | Wood County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 48.0±11.7 | 43.8 | no clear change |
| Under 18 years | 24.2%±8.1 pts | 21.4% | – |
| 65 years and over | 23.7%±5.8 pts | 21.8% | – |
| Male | 52.9%±4.0 pts | 49.9% | – |
| Hispanic or Latino (any race) | 0.9%±1.0 pts | 3.7% | – |
| White alone, not Hispanic | 83.1%±9.8 pts | 90.2% | no clear change |
| Black or African American alone, not Hispanic | 0.5%±0.7 pts | 0.6% | – |
| Asian alone, not Hispanic | 8.2%±9.7 pts | 1.7% | – |
| American Indian and Alaska Native alone, not Hispanic | 3.6%±2.6 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±2.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 1.5%±1.4 pts | 3.1% | – |
| Some other race alone, not Hispanic | 2.3%±2.7 pts | 0.3% | – |
| Born outside the United States | 1.5%±2.0 pts | 2.2% | – |
| Speak a language other than English at home (age 5+) | 2.6%±2.4 pts | 3.8% | – |
| Civilian veterans (age 18+) | 7.6%±3.0 pts | 8.4% | – |
| With a disability | 9.2%±2.9 pts | 14.9% | – |
| No health insurance coverage | 6.5%±4.2 pts | 4.5% | no clear change |
| High school graduate or higher (age 25+) | 94.5%±2.8 pts | 94.5% | – |
| Bachelor's degree or higher (age 25+) | 23.8%±6.2 pts | 21.4% | no clear change |
| Graduate or professional degree (age 25+) | 7.4%±2.7 pts | 6.5% | – |
| Lived in the same house a year earlier | 89.3%±6.1 pts | 88.7% | – |
| Moved from another state in the past year | 1.9%±3.6 pts | 1.4% | – |
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 Seneca (town), Wood County earn?
Half of Seneca (town), Wood County's 361 households earn less than $86,779 a year (±$6,418), against $67,989 in Wood County and $77,485 in Wisconsin. In 2015-2019 it was $90,040 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.0% of residents live below the poverty line.
| Measure | Seneca (town), Wood County | Wood County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $86,779±$6,418 | $67,989 | no clear change |
| Mean household income | $92,519±$7,669 | $86,117 | – |
| Per capita income | $37,624±$4,917 | $37,943 | no clear change |
| People below the poverty line | 11.0%±5.4 pts | 10.8% | – |
| Children under 18 below the poverty line | 15.2%±14.4 pts | 11.5% | – |
| Households receiving SNAP | 3.6%±3.3 pts | 13.2% | – |
| Households with a computer | 98.1%±1.6 pts | 93.3% | – |
| Households with a broadband subscription | 95.6%±2.7 pts | 89.8% | – |
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 Seneca (town), Wood County?
Owners occupy 94.5% of Seneca (town), Wood County's occupied homes and renters 5.5%. The median owner-occupied home is valued at $221,200 by its owner (±$23,680).
| Measure | Seneca (town), Wood County | Wood County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $221,200±$23,680 | $175,600 | +$32,658 |
| Renters paying 35% or more of income on rent | 100.0%±100.0 pts | 30.2% | – |
| Median monthly owner costs, with a mortgage | $1,303±$116 | $1,331 | – |
| Owner-occupied homes | 94.5%±3.8 pts | 72.6% | +8.5 pts |
| Renter-occupied homes | 5.5%±3.8 pts | 27.4% | – |
| Housing units | 398±49 | 34,755 | no clear change |
| Homeowner vacancy rate | 0.0%±6.4 pts | 0.3% | – |
| Rental vacancy rate | 0.0%±55.2 pts | 5.4% | – |
| Single-family detached homes | 94.0%±5.5 pts | 73.2% | – |
| Mobile homes | 6.0%±5.5 pts | 4.5% | – |
| Built 2020 or later | 2.3%±2.1 pts | 1.2% | – |
| Built 2010 to 2019 | 2.8%±2.4 pts | 5.5% | – |
| Built 1939 or earlier | 9.5%±5.3 pts | 17.5% | – |
| Households with no vehicle | 1.7%±1.7 pts | 5.5% | – |
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 Seneca (town), Wood County building?
Builders took permits for 2 new housing units in Seneca (town), Wood County in 2025 (2 in single-family houses), 1.9 per 1,000 residents against 4.3 across Wisconsin.
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 Seneca (town), Wood County work and get to work?
84.8% of Seneca (town), Wood County's workers drive alone and 11.6% work from home. The average trip to work takes 23.2 minutes. The unemployment rate in 2020-2024 averaged 4.7%.
| Measure | Seneca (town), Wood County | Wood County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 58.2%±6.0 pts | 61.9% | – |
| Unemployment rate | 4.7%±2.7 pts | 4.0% | no clear change |
| Drove alone to work | 84.8%±6.3 pts | 77.4% | – |
| Carpooled | 3.6%±3.8 pts | 8.3% | – |
| Public transportation | 0.0%±5.6 pts | 0.2% | – |
| Walked | 0.0%±5.6 pts | 2.2% | – |
| Worked from home | 11.6%±5.1 pts | 10.1% | +6.9 pts |
| Mean travel time to work | 23.2 min±3.1 | 20.7 min | +5.0 min |
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 Seneca (town), Wood County?
No census tract lies mostly in Seneca (town), Wood County; 4 tracts reach into it (2020 census blocks).
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 Seneca (town), Wood County) · Census block assignment files
How does Seneca (town), Wood County compare with other places in Wisconsin?
By the Census Bureau's July 2025 estimates, Seneca (town), Wood County is the 7,523rd-most populous of the 16,079 U.S. towns and townships that have one and the 496th-most populous of 1,239 in Wisconsin.
Seneca (town), Wood County ranks 453rd of 914 places in Wisconsin with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 496th | 1,239 |
| Growth 2020-2025 (PEP) | 603rd | 884 |
| Residents per square mile | 791st | 914 |
| Median household income | 453rd | 914 |
| Per capita income | 678th | 911 |
| Median home value | 662nd | 913 |
| Poverty rate | 198th | 706 |
| Bachelor's degree or higher | 564th | 914 |
| Median age | 328th | 914 |
| Owner-occupied share | 114th | 914 |
| Work from home | 429th | 827 |
| Travel time to work | 497th | 914 |
Seneca (town), Wood County's figures with every place in Wisconsin (CSV)
Every place in Wisconsin, sortable · Compare Seneca (town), Wood 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 Seneca (town), Wood County?
23 of the 56 figures for Seneca (town), Wood 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 Seneca (town), Wood 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.