Town · Wisconsin

Town of Jefferson, Jefferson County, Wisconsin

Jefferson (town), Jefferson County, town, in Jefferson County, Wisconsin. Jefferson (town), Jefferson County had 2,060 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 2,067 and the ACS 2020-2024 5-year estimates put it at 1,916 (±319). GEOID 5505537925.

Residents, July 2025 estimate

2,060

Census Bureau estimate (no margin published)
2020 Census count: 2,067 · ACS 2020-2024: 1,916 ±319

Median household income

$99,667

±$35,158 (90% margin)
Wisconsin: $77,485

Median home value

$405,600

±$80,704 (90% margin)
Wisconsin: $266,500

Median gross rent

$930

±$224 (90% margin)
Wisconsin: $1,087

Where is Jefferson (town), Jefferson County and what county is it in?

Jefferson (town), Jefferson County is a town in Jefferson County, Wisconsin. It covers 42.5 square miles of land, 49 residents per square mile in 2020.

One place lies inside the Town of Jefferson (Jefferson County): Helenville (CDP, 238 in 2020).

Jefferson (town), Jefferson County is in the Watertown-Fort Atkinson, WI micropolitan statistical area (Census Bureau delineation, July 2023).

Jefferson (town), Jefferson County (marked with a dot) in Jefferson County, Wisconsin. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Jefferson (town), Jefferson County, and is it growing?

The Census Bureau estimates that 2,060 people lived in Jefferson (town), Jefferson County on July 1, 2025, down 0.3% since 2020, while Wisconsin grew 1.3%. The 2020 Census counted 2,067 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,916 (±319).

  • July 2020→2021 +6 (2,070)
  • 2021→2022 −14 (2,056)
  • 2022→2023 +0 (2,056)
  • 2023→2024 +6 (2,062)
  • 2024→2025 −2 (2,060)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureJefferson (town), Jefferson CountyJefferson CountyWisconsinChange since 2015-2019
Total population1,916±31986,0035,914,872no clear change
Households880±21834,8732,479,480no clear change
Average household size2.14±0.322.372.33no clear change
Housing units967±22036,8902,778,572no clear change

Jefferson (town), Jefferson County's population since 2000

From 2,265 in 2000 to 2,060 in 2025: down 9.1%. The 2000, 2010 and 2020 figures are census counts, each for Jefferson (town), Jefferson 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.

  • 2000 Census 2,265
  • 2005 (estimate) 2,223
  • 2010 Census 2,178
  • 2015 (estimate) 2,220
  • 2020 Census 2,067
  • 2025 (estimate) 2,060

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 Jefferson (town), Jefferson County?

The median resident of Jefferson (town), Jefferson County is 55.3 years old; 13.5% are under 18 and 34.5% are 65 or older. The largest group is non-Hispanic white residents at 88.6%, then Hispanic or Latino residents (of any race) at 9.9%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureJefferson (town), Jefferson CountyJefferson CountyWisconsinChange since 2015-2019
Median age55.3±6.541.540.2no clear change
Under 18 years13.5%±4.1 pts19.7%21.4%–
65 years and over34.5%±8.5 pts18.5%18.5%–
Male42.6%±4.7 pts50.0%50.1%–
Hispanic or Latino (any race)9.9%±6.4 pts8.5%8.0%–
White alone, not Hispanic88.6%±6.4 pts87.0%78.6%no clear change
Black or African American alone, not Hispanic0.0%±1.2 pts0.9%5.9%–
Asian alone, not Hispanic0.5%±0.7 pts0.6%2.9%–
American Indian and Alaska Native alone, not Hispanic0.0%±1.2 pts0.1%0.5%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±1.2 pts0.0%0.0%–
Two or more races, not Hispanic0.4%±0.5 pts2.7%3.7%–
Some other race alone, not Hispanic0.6%±0.9 pts0.3%0.3%–
Born outside the United States1.8%±1.2 pts3.7%5.2%–
Speak a language other than English at home (age 5+)3.1%±2.8 pts6.3%9.0%–
Civilian veterans (age 18+)4.8%±2.0 pts6.4%6.2%–
With a disability15.7%±7.9 pts12.8%12.3%–
No health insurance coverage2.8%±2.0 pts4.8%5.2%–
High school graduate or higher (age 25+)92.5%±3.8 pts92.9%93.6%–
Bachelor's degree or higher (age 25+)22.0%±6.8 pts28.5%33.4%no clear change
Graduate or professional degree (age 25+)7.0%±3.2 pts8.9%11.4%–
Lived in the same house a year earlier97.2%±1.6 pts90.3%88.2%–
Moved from another state in the past year0.3%±0.5 pts1.2%2.0%–

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 Jefferson (town), Jefferson County earn?

Half of Jefferson (town), Jefferson County's 880 households earn less than $99,667 a year (±$35,158), against $83,750 in Jefferson County and $77,485 in Wisconsin. In 2015-2019 it was $87,827 in 2024 dollars; the margins of error cannot tell the two periods apart.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureJefferson (town), Jefferson CountyJefferson CountyWisconsinChange since 2015-2019
Median household income$99,667±$35,158$83,750$77,485no clear change
Mean household income$116,209±$20,659$100,082$101,466–
Per capita income$48,150±$4,817$41,881$43,373no clear change
People below the poverty line2.7%±2.1 pts8.1%10.6%–
Children under 18 below the poverty line2.4%±4.1 pts9.8%12.8%–
Households receiving SNAP4.8%±4.0 pts9.2%11.1%–
Households with a computer95.8%±3.1 pts94.6%94.7%–
Households with a broadband subscription90.0%±4.7 pts90.6%90.3%–

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 Jefferson (town), Jefferson County?

Owners occupy 93.1% of Jefferson (town), Jefferson County's occupied homes and renters 6.9%. The median owner-occupied home is valued at $405,600 by its owner (±$80,704). The median renter pays $930 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureJefferson (town), Jefferson CountyJefferson CountyWisconsinChange since 2015-2019
Median home value (owner-occupied)$405,600±$80,704$274,100$266,500+$132,017
Median gross rent$930±$224$1,035$1,087no clear change
Renters paying 35% or more of income on rent29.5%±23.5 pts30.0%35.0%–
Median monthly owner costs, with a mortgage$2,135±$181$1,730$1,689–
Owner-occupied homes93.1%±3.4 pts73.1%67.8%no clear change
Renter-occupied homes6.9%±3.4 pts26.9%32.2%–
Housing units967±22036,8902,778,572no clear change
Homeowner vacancy rate2.2%±2.6 pts0.2%0.5%–
Rental vacancy rate22.8%±30.4 pts4.5%4.5%–
Single-family detached homes96.2%±2.4 pts71.6%66.2%–
Mobile homes0.5%±0.9 pts3.6%3.1%–
Built 2020 or later0.0%±2.3 pts1.1%1.4%–
Built 2010 to 20193.2%±2.2 pts5.4%7.1%–
Built 1939 or earlier23.9%±10.7 pts24.3%17.8%–
Households with no vehicle0.6%±0.8 pts4.6%6.4%–

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 do people in Jefferson (town), Jefferson County work and get to work?

70.7% of Jefferson (town), Jefferson County's workers drive alone and 14.5% work from home. The average trip to work takes 25.1 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureJefferson (town), Jefferson CountyJefferson CountyWisconsinChange since 2015-2019
In the labor force (age 16+)57.6%±8.2 pts68.3%65.3%–
Unemployment rate0.6%±0.9 pts3.6%3.2%–
Drove alone to work70.7%±9.5 pts76.9%74.4%–
Carpooled5.6%±3.6 pts8.1%7.3%–
Public transportation5.3%±7.4 pts0.4%1.1%–
Walked2.5%±2.5 pts3.0%2.6%–
Worked from home14.5%±7.3 pts10.5%13.1%–
Mean travel time to work25.1 min±3.324.8 min22.2 minno 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 Jefferson (town), Jefferson County?

No census tract lies mostly in Jefferson (town), Jefferson County; 8 tracts reach into it (2020 census blocks).

Census tracts in Jefferson (town), Jefferson County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Jefferson (town), Jefferson County
Tract 1009Jefferson County3,903 $93,176 $312,00030%
Tract 1011Jefferson County4,141 $80,139 $200,30016%
Tract 1006.02Jefferson County3,348 $93,353 $367,70017%
Tract 1015Jefferson County3,729 $61,944 $206,90011%
Tract 1013Jefferson County6,108 $80,792 $216,1006%
Tract 1010Jefferson County3,860 $77,089 $278,2009%
Tract 1007Jefferson County4,673 $98,702 $329,4005%
Tract 1008Jefferson County3,557 $101,131 $357,2001%

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 Jefferson (town), Jefferson County) · Census block assignment files

How does Jefferson (town), Jefferson County compare with other places in Wisconsin?

By the Census Bureau's July 2025 estimates, Jefferson (town), Jefferson County is the 4,735th-most populous of the 16,079 U.S. towns and townships that have one and the 182nd-most populous of 1,239 in Wisconsin.

Jefferson (town), Jefferson County ranks 252nd of 914 places in Wisconsin with 1,000 or more residents and a reliable estimate, by median household income.

Jefferson (town), Jefferson County's rank in Wisconsin (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate182nd1,239
Growth 2020-2025 (PEP)603rd884
Residents per square mile635th914
Median household income252nd914
Per capita income276th911
Median home value105th913
Median gross rent508th825
Bachelor's degree or higher629th914
Median age75th914
Owner-occupied share172nd914
Work from home245th827
Travel time to work352nd914

Jefferson (town), Jefferson County's figures with every place in Wisconsin (CSV)

Every place in Wisconsin, sortable · Compare Jefferson (town), Jefferson 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 Jefferson (town), Jefferson County?

23 of the 57 figures for Jefferson (town), Jefferson 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 Jefferson (town), Jefferson 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.