Township · Illinois

Grant Township, Lake County, Illinois

Grant Township, Lake County, township, in Lake County, Illinois. Grant Township, Lake County had 28,636 residents on July 1, 2025 by the Census Bureau's estimate, up 2.1% since 2020; the 2020 Census counted 28,051 and the ACS 2020-2024 5-year estimates put it at 28,189 (±45). GEOID 1709730952.

Residents, July 2025 estimate

28,636

Census Bureau estimate (no margin published)
2020 Census count: 28,051 · ACS 2020-2024: 28,189 ±45

Median household income

$96,383

±$9,391 (90% margin)
Illinois: $83,390

Median home value

$252,100

±$11,626 (90% margin)
Illinois: $263,300

Median gross rent

$1,331

±$145 (90% margin)
Illinois: $1,274

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

Grant Township, Lake County is a township in Lake County, Illinois. It covers 17.6 square miles of land, 1,591 residents per square mile in 2020.

2 places lie inside Grant Township (Lake County): Fox Lake (village, 10,978 in 2020) and Long Lake (CDP, 3,663 in 2020). Part of Round Lake (village), Lakemoor (village) and Volo (village) also lie in it.

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

Grant 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 Grant Township, Lake County, and is it growing?

The Census Bureau estimates that 28,636 people lived in Grant Township, Lake County on July 1, 2025, up 2.1% since 2020, while Illinois shrank 0.8%. The 2020 Census counted 28,051 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 28,189 (±45).

  • July 2020→2021 +57 (28,100)
  • 2021→2022 +93 (28,193)
  • 2022→2023 +226 (28,419)
  • 2023→2024 +198 (28,617)
  • 2024→2025 +19 (28,636)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureGrant Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Total population28,189±45714,22312,694,798+1,581
Households10,944±518258,4555,036,449+804
Average household size2.57±0.122.692.46no clear change
Housing units11,707±483270,6185,457,452no clear change

Grant Township, Lake County's population since 2000

From 17,397 in 2000 to 28,636 in 2025: up 64.6%. The 2000, 2010 and 2020 figures are census counts, each for Grant 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 17,397
  • 2005 (estimate) 22,460
  • 2010 Census 26,523
  • 2015 (estimate) 26,771
  • 2020 Census 28,051
  • 2025 (estimate) 28,636

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 Grant Township, Lake County?

The median resident of Grant Township, Lake County is 38.2 years old; 23.5% are under 18 and 13.0% are 65 or older. The largest group is non-Hispanic white residents at 66.9%, then Hispanic or Latino residents (of any race) at 21.4%. 11.8% 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.
MeasureGrant Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median age38.2±1.639.139.0no clear change
Under 18 years23.5%±2.1 pts23.3%21.8%–
65 years and over13.0%±1.3 pts15.8%17.0%–
Male49.6%±2.0 pts50.3%49.4%–
Hispanic or Latino (any race)21.4%±4.0 pts24.9%18.8%+6.5 pts
White alone, not Hispanic66.9%±4.3 pts56.2%58.1%−10.7 pts
Black or African American alone, not Hispanic3.3%±1.3 pts6.3%13.3%no clear change
Asian alone, not Hispanic3.4%±1.6 pts8.6%5.9%no clear change
American Indian and Alaska Native alone, not Hispanic0.2%±0.2 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%0.0%–
Two or more races, not Hispanic4.6%±1.4 pts3.3%3.4%–
Some other race alone, not Hispanic0.2%±0.2 pts0.6%0.4%–
Born outside the United States11.8%±2.3 pts19.8%14.7%no clear change
Speak a language other than English at home (age 5+)19.9%±3.7 pts31.4%24.0%–
Civilian veterans (age 18+)4.4%±1.2 pts4.7%4.8%–
With a disability10.8%±2.3 pts9.8%12.1%–
No health insurance coverage7.7%±2.9 pts6.9%6.9%no clear change
High school graduate or higher (age 25+)90.9%±2.2 pts90.6%90.5%–
Bachelor's degree or higher (age 25+)32.4%±3.6 pts47.7%37.8%no clear change
Graduate or professional degree (age 25+)10.5%±2.3 pts20.1%15.3%–
Lived in the same house a year earlier89.6%±3.2 pts88.4%88.9%–
Moved from another state in the past year2.4%±1.8 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 Grant Township, Lake County earn?

Half of Grant Township, Lake County's 10,944 households earn less than $96,383 a year (±$9,391), against $110,416 in Lake County and $83,390 in Illinois. In 2015-2019 it was $90,071 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.1% 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
MeasureGrant Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median household income$96,383±$9,391$110,416$83,390no clear change
Mean household income$114,461±$8,549$155,726$115,638–
Per capita income$44,962±$4,052$57,153$46,406no clear change
People below the poverty line10.1%±3.3 pts8.3%11.8%no clear change
Children under 18 below the poverty line15.4%±6.9 pts11.5%15.1%no clear change
Households receiving SNAP11.1%±3.1 pts9.4%13.8%–
Households with a computer96.7%±1.9 pts97.2%95.2%–
Households with a broadband subscription94.7%±1.9 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 Grant Township, Lake County?

Owners occupy 75.4% of Grant Township, Lake County's occupied homes and renters 24.6%. The median owner-occupied home is valued at $252,100 by its owner (±$11,626). The median renter pays $1,331 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.
MeasureGrant Township, Lake CountyLake CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$252,100±$11,626$345,700$263,300+$37,467
Median gross rent$1,331±$145$1,477$1,274−$186
Renters paying 35% or more of income on rent42.4%±10.0 pts40.1%39.0%no clear change
Median monthly owner costs, with a mortgage$1,893±$69$2,503$1,987–
Owner-occupied homes75.4%±4.5 pts74.8%67.1%no clear change
Renter-occupied homes24.6%±4.5 pts25.2%32.9%–
Housing units11,707±483270,6185,457,452no clear change
Homeowner vacancy rate2.3%±1.7 pts0.9%1.0%–
Rental vacancy rate3.3%±2.8 pts3.7%5.0%–
Single-family detached homes65.9%±4.3 pts66.6%58.2%–
Mobile homes0.8%±0.5 pts1.6%2.3%–
Built 2020 or later1.3%±0.7 pts0.6%0.7%–
Built 2010 to 20196.6%±1.8 pts4.9%5.0%–
Built 1939 or earlier12.8%±3.4 pts8.4%20.2%–
Households with no vehicle2.1%±1.1 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 Grant Township, Lake County work and get to work?

75.5% of Grant Township, Lake County's workers drive alone and 13.4% work from home. The average trip to work takes 33.7 minutes. The unemployment rate in 2020-2024 averaged 4.8%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureGrant Township, Lake CountyLake CountyIllinoisChange since 2015-2019
In the labor force (age 16+)72.1%±3.1 pts68.2%65.0%–
Unemployment rate4.8%±1.9 pts5.2%5.8%no clear change
Drove alone to work75.5%±2.7 pts65.7%65.9%–
Carpooled7.5%±2.1 pts8.5%7.8%–
Public transportation1.6%±1.2 pts2.7%5.8%–
Walked0.8%±0.8 pts2.1%2.8%–
Worked from home13.4%±2.5 pts19.5%15.9%+7.2 pts
Mean travel time to work33.7 min±1.928.5 min27.8 min−4.6 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 Grant Township, Lake County?

5 census tracts lie mostly in Grant Township, Lake County (2020 census blocks). Their median household incomes run from $58,894 (Tract 8609.03) to $138,844 (Tract 8609.06).

Census tracts in Grant Township, Lake County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Grant Township, Lake County
Tract 8609.06Lake County11,060 $138,844 $285,900100%
Tract 8609.03Lake County6,238 $58,894 $214,800100%
Tract 8609.05Lake County5,316 $92,420 $236,900100%
Tract 8609.07Lake County3,636 $98,977 $263,400100%
Tract 8609.08Lake County1,939 $61,719 $265,800100%

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 Grant Township, Lake County) · Census block assignment files

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

By the Census Bureau's July 2025 estimates, Grant Township, Lake County is the 382nd-most populous of the 16,079 U.S. towns and townships that have one and the 77th-most populous of 1,407 in Illinois.

Grant Township, Lake County ranks 391st of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Grant 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 estimate77th1,407
Growth 2020-2025 (PEP)123rd1,347
Residents per square mile401st1,383
Median household income391st1,380
Per capita income403rd1,383
Median home value373rd1,379
Median gross rent288th1,280
Poverty rate560th1,119
Bachelor's degree or higher408th1,369
Median age1,026th1,383
Owner-occupied share808th1,382
Work from home367th1,015
Travel time to work98th1,382

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

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

8 of the 57 figures for Grant 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 Grant 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.