Census tract · Lake County
Census Tract 8645.21, Lake County, Illinois
Census Tract 8645.21, GEOID 17097864521, in Lake County, Illinois, entirely within Vernon Township. 2,502 residents in the ACS 2020-2024 5-year estimates (±316); the 2020 Census counted 2,537.
Residents, 2020-2024
2,502
±316 (90% margin)
2020 Census count: 2,537
Median household income
$146,397
±$63,570 (90% margin)
Lake County: $110,416
Median home value
$606,500
±$72,445 (90% margin)
Lake County: $345,700
Median gross rent
$3,365
±$393 (90% margin)
Lake County: $1,477
Where is Census Tract 8645.21?
Census Tract 8645.21 is one of 160 census tracts in Lake County, Illinois. It covers 1.73 square miles of land, 1,467 residents per square mile in 2020. Its GEOID, 17097864521, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Vernon Township | 100% |
| Lincolnshire | 69% |
| Buffalo Grove | 23% |
5 census tracts border Census Tract 8645.21: Tract 8645.14 ($134,076), Tract 8645.20 ($147,321), Tract 8645.22 ($211,250), Tract 8645.24 ($114,875) and Tract 8662 ($177,500). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 8645.21?
The 2020-2024 American Community Survey puts Census Tract 8645.21's population at 2,502 (±316) in 1,303 households; the 2020 Census counted 2,537 residents and 1,322 housing units.
| Measure | Tract 8645.21 | Vernon Township |
|---|---|---|
| Total population | 2,502±316 | 71,411 |
| Households | 1,303±263 | 26,370 |
| Average household size | 1.88±0.20 | 2.67 |
| Housing units | 1,441±244 | 27,390 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 8645.21?
The median resident of Census Tract 8645.21 is 49.8 years old; 18.0% are under 18 and 29.8% are 65 or older. The largest group is non-Hispanic Asian residents at 49.4%, then non-Hispanic white residents at 47.3%. 38.8% of residents were born outside the United States.
| Measure | Tract 8645.21 | Vernon Township |
|---|---|---|
| Median age | 49.8±8.0 | 41.7 |
| Under 18 years | 18.0%±3.3 pts | 24.4% |
| 65 years and over | 29.8%±6.6 pts | 17.2% |
| Hispanic or Latino (any race) | 2.8%±3.4 pts | 6.8% |
| White alone, not Hispanic | 47.3%±9.3 pts | 58.3% |
| Black or African American alone, not Hispanic | 0.4%±1.0 pts | 2.8% |
| Asian alone, not Hispanic | 49.4%±9.3 pts | 28.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±1.5 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±1.5 pts | 0.1% |
| Two or more races, not Hispanic | 0.0%±1.5 pts | 3.1% |
| Some other race alone, not Hispanic | 0.0%±1.5 pts | 0.6% |
| Born outside the United States | 38.8%±8.9 pts | 31.8% |
| Speak a language other than English at home (age 5+) | 45.1%±9.3 pts | 38.2% |
| Civilian veterans (age 18+) | 4.3%±2.2 pts | 2.6% |
| With a disability | 13.7%±3.5 pts | 7.4% |
| No health insurance coverage | 1.0%±1.1 pts | 3.4% |
| High school graduate or higher (age 25+) | 97.2%±2.6 pts | 97.0% |
| Bachelor's degree or higher (age 25+) | 79.2%±5.8 pts | 72.3% |
| Graduate or professional degree (age 25+) | 44.6%±11.2 pts | 35.0% |
| Lived in the same house a year earlier | 90.5%±5.9 pts | 88.9% |
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 Census Tract 8645.21 earn?
Half of the 1,303 households in Census Tract 8645.21 earn less than $146,397 a year (±$63,570), against $110,416 across Lake County: 49th highest of the county's 155 tracts with a reliable estimate.
| Measure | Tract 8645.21 | Vernon Township |
|---|---|---|
| Median household income | $146,397±$63,570 | $145,857 |
| Mean household income | $207,153±$44,430 | $197,555 |
| Per capita income | $106,506±$30,658 | $73,611 |
| People below the poverty line | 3.2%±2.3 pts | 6.3% |
| Children under 18 below the poverty line | 0.0%±8.0 pts | 9.4% |
| Households receiving SNAP | 0.0%±2.8 pts | 3.4% |
| Households with a computer | 84.8%±7.1 pts | 98.1% |
| Households with a broadband subscription | 86.3%±7.4 pts | 96.1% |
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 Census Tract 8645.21?
Owners occupy 67.8% of Census Tract 8645.21's occupied homes and renters 32.2%. The median owner-occupied home is valued at $606,500 by its owner (±$72,445). The median renter pays $3,365 a month including utilities, and 65.5% of renters pay 35% or more of their income on rent.
| Measure | Tract 8645.21 | Vernon Township |
|---|---|---|
| Median home value (owner-occupied) | $606,500±$72,445 | $488,400 |
| Median gross rent | $3,365±$393 | $1,949 |
| Renters paying 35% or more of income on rent | 65.5%±19.4 pts | 38.9% |
| Median monthly owner costs, with a mortgage | $3,579±$681 | $3,277 |
| Owner-occupied homes | 67.8%±8.9 pts | 73.7% |
| Renter-occupied homes | 32.2%±8.9 pts | 26.3% |
| Housing units | 1,441±244 | 27,390 |
| Single-family detached homes | 18.5%±5.6 pts | 54.2% |
| Mobile homes | 0.0%±2.6 pts | 0.2% |
| Built 2020 or later | 0.0%±2.6 pts | 0.5% |
| Built 2010 to 2019 | 26.0%±12.6 pts | 7.0% |
| Built 1939 or earlier | 0.0%±2.6 pts | 1.1% |
| Households with no vehicle | 22.4%±7.4 pts | 4.5% |
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 do people in Census Tract 8645.21 get to work?
40.9% of Census Tract 8645.21's workers drive alone and 51.2% work from home. The average trip to work takes 24.5 minutes.
| Measure | Tract 8645.21 | Vernon Township |
|---|---|---|
| In the labor force (age 16+) | 55.2%±7.8 pts | 66.6% |
| Unemployment rate | 1.4%±1.6 pts | 2.4% |
| Drove alone to work | 40.9%±17.2 pts | 57.5% |
| Carpooled | 7.2%±6.9 pts | 4.3% |
| Public transportation | 0.0%±3.3 pts | 3.5% |
| Walked | 0.0%±3.3 pts | 0.7% |
| Worked from home | 51.2%±17.6 pts | 32.1% |
| Mean travel time to work | 24.5 min±7.7 | 27.8 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
How does Census Tract 8645.21 compare with the other tracts in Lake County?
Among Lake County's tracts with a reliable estimate, Census Tract 8645.21 ranks as shown below (1 = highest).
| Measure | In Lake County |
|---|---|
| Population | 147th of 159 |
| Residents per square mile | 115th of 159 |
| Median household income | 49th of 155 |
| Per capita income | 9th of 159 |
| Median home value | 26th of 154 |
| Median gross rent | 5th of 138 |
| Bachelor's degree or higher | 19th of 154 |
| Median age | 18th of 159 |
| Owner-occupied share | 113th of 155 |
The tracts next to it on Lake County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8643.08 | 46th | $156,250±$31,325 · within the margin of this tract |
| Tract 8658.01 | 47th | $153,458±$11,057 · within the margin of this tract |
| Tract 8645.20 | 48th | $147,321±$11,641 · within the margin of this tract |
| Tract 8645.21 | 49th | $146,397±$63,570 |
| Tract 8610.09 | 50th | $144,773±$17,176 · within the margin of this tract |
| Tract 8643.07 | 51st | $143,523±$65,749 · within the margin of this tract |
| Tract 8645.16 | 52nd | $139,522±$8,045 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 8645.21?
3 of the 18 figures for Census Tract 8645.21 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.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections