Township · Illinois

Benton Township, Lake County, Illinois

Benton Township, Lake County, township, in Lake County, Illinois. Benton Township, Lake County had 18,769 residents on July 1, 2025 by the Census Bureau's estimate, down 1.0% since 2020; the 2020 Census counted 19,082 and the ACS 2020-2024 5-year estimates put it at 18,857 (±39). GEOID 1709705326.

Residents, July 2025 estimate

18,769

Census Bureau estimate (no margin published)
2020 Census count: 19,082 · ACS 2020-2024: 18,857 ±39

Median household income

$82,995

±$6,115 (90% margin)
Illinois: $83,390

Median home value

$249,800

±$14,081 (90% margin)
Illinois: $263,300

Median gross rent

$1,332

±$74 (90% margin)
Illinois: $1,274

Where is Benton Township, Lake County and what county is it in?

Benton Township, Lake County is a township in Lake County, Illinois. It covers 14.2 square miles of land, 1,346 residents per square mile in 2020.

2 places lie inside Benton Township (Lake County): Beach Park (village, 14,249 in 2020) and Winthrop Harbor (village, 6,705 in 2020). Part of Waukegan (city) and Wadsworth (village) also lie in it.

Benton Township, Lake County is in the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area, which takes in 13 counties (Census Bureau delineation, July 2023).

Benton Township, Lake County (marked with a dot) in Lake 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 Benton Township, Lake County, and is it growing?

The Census Bureau estimates that 18,769 people lived in Benton Township, Lake County on July 1, 2025, down 1.0% since 2020, in line with Illinois (−0.8%). The 2020 Census counted 19,082 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 18,857 (±39).

  • July 2020→2021 −49 (18,870)
  • 2021→2022 −79 (18,791)
  • 2022→2023 −10 (18,781)
  • 2023→2024 +11 (18,792)
  • 2024→2025 −23 (18,769)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureBenton Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Total population18,857±39714,22312,694,798−77
Households7,821±520258,4555,036,449+955
Average household size2.41±0.162.692.46−0.34
Housing units8,072±535270,6185,457,452+747

Benton Township, Lake County's population since 2000

From 17,413 in 2000 to 18,769 in 2025: up 7.8%. The 2000, 2010 and 2020 figures are census counts, each for Benton Township, Lake 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 17,413
  • 2005 (estimate) 18,302
  • 2010 Census 18,951
  • 2015 (estimate) 19,076
  • 2020 Census 19,082
  • 2025 (estimate) 18,769

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 Benton Township, Lake County?

The median resident of Benton Township, Lake County is 47.3 years old; 18.2% are under 18 and 20.2% are 65 or older. The largest group is non-Hispanic white residents at 50.9%, then Hispanic or Latino residents (of any race) at 34.2%. 15.3% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureBenton Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median age47.3±4.639.139.0+8.2
Under 18 years18.2%±2.9 pts23.3%21.8%–
65 years and over20.2%±3.4 pts15.8%17.0%–
Male46.4%±2.7 pts50.3%49.4%–
Hispanic or Latino (any race)34.2%±4.9 pts24.9%18.8%+8.0 pts
White alone, not Hispanic50.9%±4.6 pts56.2%58.1%−11.2 pts
Black or African American alone, not Hispanic8.7%±2.8 pts6.3%13.3%no clear change
Asian alone, not Hispanic3.4%±2.2 pts8.6%5.9%+2.7 pts
American Indian and Alaska Native alone, not Hispanic0.3%±0.4 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.2 pts0.0%0.0%–
Two or more races, not Hispanic2.3%±1.0 pts3.3%3.4%–
Some other race alone, not Hispanic0.3%±0.4 pts0.6%0.4%–
Born outside the United States15.3%±3.5 pts19.8%14.7%+5.3 pts
Speak a language other than English at home (age 5+)29.0%±4.0 pts31.4%24.0%–
Civilian veterans (age 18+)8.1%±2.5 pts4.7%4.8%–
With a disability12.4%±2.4 pts9.8%12.1%–
No health insurance coverage7.0%±2.2 pts6.9%6.9%no clear change
High school graduate or higher (age 25+)87.5%±3.4 pts90.6%90.5%–
Bachelor's degree or higher (age 25+)20.6%±3.7 pts47.7%37.8%no clear change
Graduate or professional degree (age 25+)9.0%±2.7 pts20.1%15.3%–
Lived in the same house a year earlier91.4%±3.0 pts88.4%88.9%–
Moved from another state in the past year2.0%±0.9 pts2.9%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 Benton Township, Lake County earn?

Half of Benton Township, Lake County's 7,821 households earn less than $82,995 a year (±$6,115), against $110,416 in Lake County and $83,390 in Illinois. In 2015-2019 the median was $93,725 in 2024 dollars, so it fell by $10,730 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
MeasureBenton Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median household income$82,995±$6,115$110,416$83,390−$10,730
Mean household income$95,286±$6,682$155,726$115,638–
Per capita income$39,765±$3,295$57,153$46,406no clear change
People below the poverty line8.9%±3.4 pts8.3%11.8%no clear change
Children under 18 below the poverty line8.0%±8.5 pts11.5%15.1%–
Households receiving SNAP11.3%±3.7 pts9.4%13.8%–
Households with a computer97.0%±1.5 pts97.2%95.2%–
Households with a broadband subscription95.1%±2.0 pts94.3%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 Benton Township, Lake County?

Owners occupy 82.7% of Benton Township, Lake County's occupied homes and renters 17.3%. The median owner-occupied home is valued at $249,800 by its owner (±$14,081). The median renter pays $1,332 a month including utilities, and 27.8% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureBenton Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$249,800±$14,081$345,700$263,300+$48,582
Median gross rent$1,332±$74$1,477$1,274−$240
Renters paying 35% or more of income on rent27.8%±11.4 pts40.1%39.0%no clear change
Median monthly owner costs, with a mortgage$2,013±$131$2,503$1,987–
Owner-occupied homes82.7%±4.4 pts74.8%67.1%+8.1 pts
Renter-occupied homes17.3%±4.4 pts25.2%32.9%–
Housing units8,072±535270,6185,457,452+747
Homeowner vacancy rate0.0%±0.6 pts0.9%1.0%–
Rental vacancy rate0.0%±2.7 pts3.7%5.0%–
Single-family detached homes75.4%±4.8 pts66.6%58.2%–
Mobile homes8.2%±2.7 pts1.6%2.3%–
Built 2020 or later0.0%±0.5 pts0.6%0.7%–
Built 2010 to 20191.9%±2.0 pts4.9%5.0%–
Built 1939 or earlier5.2%±2.0 pts8.4%20.2%–
Households with no vehicle4.1%±2.2 pts4.6%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 Benton Township, Lake County work and get to work?

74.4% of Benton Township, Lake County's workers drive alone and 10.6% work from home. The average trip to work takes 28.9 minutes. The unemployment rate in 2020-2024 averaged 8.9%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureBenton Township, Lake CountyLake CountyIllinoisChange since 2015-2019
In the labor force (age 16+)62.8%±3.1 pts68.2%65.0%–
Unemployment rate8.9%±3.0 pts5.2%5.8%no clear change
Drove alone to work74.4%±5.4 pts65.7%65.9%–
Carpooled11.9%±4.0 pts8.5%7.8%–
Public transportation2.0%±1.8 pts2.7%5.8%–
Walked0.1%±0.2 pts2.1%2.8%–
Worked from home10.6%±3.2 pts19.5%15.9%+8.5 pts
Mean travel time to work28.9 min±2.528.5 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 Benton Township, Lake County?

4 census tracts lie mostly in Benton Township, Lake County, and 3 more reach into it (2020 census blocks). Their median household incomes run from $55,912 (Tract 8606) to $95,625 (Tract 8601.03).

Census tracts in Benton Township, Lake County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Benton Township, Lake County
Tract 8606Lake County7,883 $55,912 $256,50083%
Tract 8604Lake County6,820 $82,009 $213,60090%
Tract 8601.03Lake County3,270 $95,625 $274,300100%
Tract 8601.04Lake County3,171 $76,926 $196,90083%
Tract 8601.05Lake County4,748 $78,397 $256,90049%
Tract 8601.06Lake County3,167 $94,917 $229,50023%
Tract 8602Lake County3,827 $70,932 $166,7008%

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 Benton Township, Lake County) · Census block assignment files

How does Benton Township, Lake County compare with other places in Illinois?

By the Census Bureau's July 2025 estimates, Benton Township, Lake County is the 635th-most populous of the 16,079 U.S. towns and townships that have one and the 99th-most populous of 1,407 in Illinois.

Benton Township, Lake County ranks 590th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Benton Township, Lake 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 estimate99th1,407
Growth 2020-2025 (PEP)438th1,347
Residents per square mile492nd1,383
Median household income590th1,380
Per capita income624th1,383
Median home value377th1,379
Median gross rent286th1,280
Poverty rate650th1,119
Bachelor's degree or higher854th1,369
Median age177th1,383
Owner-occupied share451st1,382
Work from home542nd1,015
Travel time to work360th1,382

Benton Township, Lake County's figures with every place in Illinois (CSV)

Every place in Illinois, sortable · Compare Benton Township, Lake 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 Benton Township, Lake County?

10 of the 57 figures for Benton Township, Lake 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 Benton Township, Lake 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.