Township · Illinois

Warren Township, Jo Daviess County, Illinois

Warren Township, Jo Daviess County, township, in Jo Daviess County, Illinois. Warren Township, Jo Daviess County had 1,429 residents on July 1, 2025 by the Census Bureau's estimate, down 3.8% since 2020; the 2020 Census counted 1,487 and the ACS 2020-2024 5-year estimates put it at 1,551 (±249). GEOID 1708578864.

Residents, July 2025 estimate

1,429

Census Bureau estimate (no margin published)
2020 Census count: 1,487 · ACS 2020-2024: 1,551 ±249

Median household income

$77,188

±$6,659 (90% margin)
Illinois: $83,390

Median home value

$104,000

±$9,330 (90% margin)
Illinois: $263,300

Median gross rent

$750

±$76 (90% margin)
Illinois: $1,274

Where is Warren Township, Jo Daviess County and what county is it in?

Warren Township, Jo Daviess County is a township in Jo Daviess County, Illinois. It covers 19.7 square miles of land, 75 residents per square mile in 2020.

One place lies inside Warren Township (Jo Daviess County): Warren (village, 1,323 in 2020).

Warren Township, Jo Daviess County (marked with a dot) in Jo Daviess County, Illinois. 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 Warren Township, Jo Daviess County, and is it growing?

The Census Bureau estimates that 1,429 people lived in Warren Township, Jo Daviess County on July 1, 2025, down 3.8% since 2020, a steeper fall than Illinois's (−0.8%). The 2020 Census counted 1,487 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,551 (±249).

  • July 2020→2021 −10 (1,477)
  • 2021→2022 −14 (1,463)
  • 2022→2023 −11 (1,452)
  • 2023→2024 −13 (1,439)
  • 2024→2025 −10 (1,429)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureWarren Township, Jo Daviess CountyJo Daviess CountyIllinoisChange since 2015-2019
Total population1,551±24921,85112,694,798no clear change
Households613±7610,3915,036,449no clear change
Average household size2.53±0.242.082.46+0.41
Housing units651±7313,4405,457,452−179

Warren Township, Jo Daviess County's population since 2000

From 1,675 in 2000 to 1,429 in 2025: down 14.7%. The 2000, 2010 and 2020 figures are census counts, each for Warren Township, Jo Daviess 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 1,675
  • 2005 (estimate) 1,649
  • 2010 Census 1,601
  • 2015 (estimate) 1,543
  • 2020 Census 1,487
  • 2025 (estimate) 1,429

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 Warren Township, Jo Daviess County?

The median resident of Warren Township, Jo Daviess County is 42.4 years old; 26.6% are under 18 and 27.5% are 65 or older. The largest group is non-Hispanic white residents at 91.3%, then Hispanic or Latino residents (of any race) at 5.0%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureWarren Township, Jo Daviess CountyJo Daviess CountyIllinoisChange since 2015-2019
Median age42.4±4.151.539.0−7.3
Under 18 years26.6%±5.7 pts18.2%21.8%–
65 years and over27.5%±5.1 pts29.9%17.0%–
Male46.9%±3.7 pts50.0%49.4%–
Hispanic or Latino (any race)5.0%±3.7 pts4.2%18.8%–
White alone, not Hispanic91.3%±4.9 pts91.9%58.1%no clear change
Black or African American alone, not Hispanic0.1%±0.2 pts0.8%13.3%–
Asian alone, not Hispanic0.1%±0.2 pts0.5%5.9%–
American Indian and Alaska Native alone, not Hispanic0.0%±2.4 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±2.4 pts0.1%0.0%–
Two or more races, not Hispanic3.6%±3.8 pts2.2%3.4%–
Some other race alone, not Hispanic0.0%±2.4 pts0.3%0.4%–
Born outside the United States0.9%±0.8 pts1.9%14.7%–
Speak a language other than English at home (age 5+)0.5%±0.5 pts2.6%24.0%–
Civilian veterans (age 18+)4.4%±1.7 pts7.3%4.8%–
With a disability18.2%±4.9 pts13.8%12.1%–
No health insurance coverage7.4%±5.3 pts4.7%6.9%–
High school graduate or higher (age 25+)85.1%±5.8 pts93.2%90.5%–
Bachelor's degree or higher (age 25+)14.0%±4.0 pts28.9%37.8%no clear change
Graduate or professional degree (age 25+)2.3%±1.5 pts9.0%15.3%–
Lived in the same house a year earlier90.6%±5.5 pts89.3%88.9%–
Moved from another state in the past year4.8%±4.4 pts2.2%1.6%–

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 Warren Township, Jo Daviess County earn?

Half of Warren Township, Jo Daviess County's 613 households earn less than $77,188 a year (±$6,659), against $73,993 in Jo Daviess County and $83,390 in Illinois. In 2015-2019 the median was $63,586 in 2024 dollars, so it rose by $13,602 after inflation. 8.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureWarren Township, Jo Daviess CountyJo Daviess CountyIllinoisChange since 2015-2019
Median household income$77,188±$6,659$73,993$83,390+$13,602
Mean household income$77,753±$6,952$95,031$115,638–
Per capita income$29,814±$3,607$44,251$46,406no clear change
People below the poverty line8.9%±4.3 pts7.8%11.8%no clear change
Children under 18 below the poverty line13.2%±9.4 pts8.6%15.1%–
Households receiving SNAP12.7%±5.0 pts8.4%13.8%–
Households with a computer92.5%±3.6 pts91.8%95.2%–
Households with a broadband subscription87.6%±4.7 pts87.2%90.8%–

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 Warren Township, Jo Daviess County?

Owners occupy 87.9% of Warren Township, Jo Daviess County's occupied homes and renters 12.1%. The median owner-occupied home is valued at $104,000 by its owner (±$9,330). The median renter pays $750 a month including utilities, and 42.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureWarren Township, Jo Daviess CountyJo Daviess CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$104,000±$9,330$209,900$263,300no clear change
Median gross rent$750±$76$825$1,274no clear change
Renters paying 35% or more of income on rent42.4%±20.9 pts28.4%39.0%no clear change
Median monthly owner costs, with a mortgage$1,146±$72$1,455$1,987–
Owner-occupied homes87.9%±4.7 pts80.4%67.1%no clear change
Renter-occupied homes12.1%±4.7 pts19.6%32.9%–
Housing units651±7313,4405,457,452−179
Homeowner vacancy rate0.0%±6.6 pts1.5%1.0%–
Rental vacancy rate0.0%±36.9 pts7.5%5.0%–
Single-family detached homes94.0%±2.5 pts82.5%58.2%–
Mobile homes0.8%±0.8 pts2.5%2.3%–
Built 2020 or later0.0%±5.6 pts1.0%0.7%–
Built 2010 to 20190.8%±1.1 pts4.2%5.0%–
Built 1939 or earlier40.6%±7.7 pts25.0%20.2%–
Households with no vehicle4.1%±2.2 pts7.0%11.0%–

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 do people in Warren Township, Jo Daviess County work and get to work?

85.2% of Warren Township, Jo Daviess County's workers drive alone and 8.7% work from home. The average trip to work takes 28.6 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureWarren Township, Jo Daviess CountyJo Daviess CountyIllinoisChange since 2015-2019
In the labor force (age 16+)57.6%±6.3 pts59.6%65.0%–
Unemployment rate2.5%±2.9 pts3.6%5.8%–
Drove alone to work85.2%±5.9 pts76.5%65.9%–
Carpooled2.4%±2.0 pts6.0%7.8%–
Public transportation0.0%±5.5 pts0.6%5.8%–
Walked3.6%±2.3 pts4.0%2.8%–
Worked from home8.7%±4.8 pts12.5%15.9%no clear change
Mean travel time to work28.6 min±3.522.1 min27.8 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 Warren Township, Jo Daviess County?

No census tract lies mostly in Warren Township, Jo Daviess County; 1 tract reaches into it (2020 census blocks).

Census tracts in Warren Township, Jo Daviess County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Warren Township, Jo Daviess County
Tract 201.02Jo Daviess County2,414 $71,198 $108,40044%

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 Warren Township, Jo Daviess County) · Census block assignment files

How does Warren Township, Jo Daviess County compare with other places in Illinois?

By the Census Bureau's July 2025 estimates, Warren Township, Jo Daviess County is the 6,167th-most populous of the 16,079 U.S. towns and townships that have one and the 543rd-most populous of 1,407 in Illinois.

Warren Township, Jo Daviess County ranks 695th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Warren Township, Jo Daviess County's rank in Illinois (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 estimate543rd1,407
Growth 2020-2025 (PEP)1,175th1,347
Residents per square mile1,071st1,383
Median household income695th1,380
Per capita income1,182nd1,383
Median home value1,147th1,379
Median gross rent1,082nd1,280
Poverty rate650th1,119
Bachelor's degree or higher1,199th1,369
Median age529th1,383
Owner-occupied share260th1,382
Work from home695th1,015
Travel time to work382nd1,382

Warren Township, Jo Daviess County's figures with every place in Illinois (CSV)

Every place in Illinois, sortable · Compare Warren Township, Jo Daviess 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 Warren Township, Jo Daviess County?

20 of the 57 figures for Warren Township, Jo Daviess 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 Warren Township, Jo Daviess 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.