Census-designated place · Illinois
Frankfort Square, Illinois
Frankfort Square, census-designated place, in Will County, Illinois. Frankfort Square had 9,560 people in the ACS 2020-2024 5-year estimates (±699). GEOID 1727644.
Residents, 2020-2024
9,560
±699 (90% margin)
2020 Census count: 8,968
Median household income
$126,897
±$16,618 (90% margin)
Illinois: $83,390
Median home value
$305,800
±$16,111 (90% margin)
Illinois: $263,300
Median gross rent
$1,622
±$257 (90% margin)
Illinois: $1,274
Where is Frankfort Square and what county is it in?
Frankfort Square is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Will County, Illinois. It covers 2.5 square miles of land, 3,593 residents per square mile in 2020.
Frankfort Square is in the Chicago-Naperville-Elgin, IL-IN metropolitan statistical area, which takes in 13 counties (Census Bureau delineation, July 2023).
Frankfort Square lies entirely within Frankfort Township (Will County), a township with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Frankfort Square, and is it growing?
The 2020-2024 American Community Survey puts Frankfort Square's population at 9,560 (±699). The 2020 Census counted 8,968 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Frankfort Square is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Frankfort Square | Will County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 9,560 ±699 | 701,462 | no clear change |
| Households | 3,206 ±278 | 244,273 | no clear change |
| Average household size | 2.98 ±0.19 | 2.84 | no clear change |
| Housing units | 3,288 ±285 | 254,278 | no clear change |
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 Frankfort Square?
The median resident of Frankfort Square is 42.3 years old; 23.4% are under 18 and 15.5% are 65 or older. The largest group is non-Hispanic white residents at 68.7%, then Hispanic or Latino residents (of any race) at 11.5%. 6.3% of residents were born outside the United States.
| Measure | Frankfort Square | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.3 ±4.1 | 39.1 | no clear change |
| Under 18 years | 23.4% ±3.4 pts | 23.6% | – |
| 65 years and over | 15.5% ±4.9 pts | 14.6% | – |
| Male | 51.4% ±2.6 pts | 49.9% | – |
| Hispanic or Latino (any race) | 11.5% ±3.3 pts | 19.8% | +5.4 pts |
| White alone, not Hispanic | 68.7% ±7.4 pts | 58.6% | −18.9 pts |
| Black or African American alone, not Hispanic | 5.5% ±5.0 pts | 11.6% | – |
| Asian alone, not Hispanic | 2.7% ±2.3 pts | 6.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.4 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 10.5% ±5.0 pts | 3.4% | – |
| Some other race alone, not Hispanic | 1.1% ±1.1 pts | 0.4% | – |
| Born outside the United States | 6.3% ±2.6 pts | 13.5% | no clear change |
| Speak a language other than English at home (age 5+) | 11.8% ±5.1 pts | 22.4% | – |
| Civilian veterans (age 18+) | 5.9% ±2.4 pts | 4.8% | – |
| With a disability | 7.8% ±2.0 pts | 10.0% | – |
| No health insurance coverage | 2.4% ±1.9 pts | 5.2% | – |
| High school graduate or higher (age 25+) | 96.4% ±1.9 pts | 91.8% | – |
| Bachelor's degree or higher (age 25+) | 32.9% ±5.7 pts | 37.5% | no clear change |
| Graduate or professional degree (age 25+) | 12.0% ±3.2 pts | 14.9% | – |
| Lived in the same house a year earlier | 92.0% ±3.2 pts | 92.1% | – |
| Moved from another state in the past year | 1.0% ±1.2 pts | 0.8% | – |
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 Frankfort Square earn?
Half of Frankfort Square's 3,206 households earn less than $126,897 a year (±$16,618), against $109,984 in Will County and $83,390 in Illinois. In 2015-2019 it was $123,009 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.4% of residents live below the poverty line.
| Measure | Frankfort Square | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $126,897 ±$16,618 | $109,984 | no clear change |
| Mean household income | $128,848 ±$10,400 | $134,181 | – |
| Per capita income | $44,151 ±$3,823 | $47,516 | no clear change |
| People below the poverty line | 6.4% ±3.4 pts | 7.3% | – |
| Children under 18 below the poverty line | 9.4% ±7.1 pts | 9.9% | – |
| Households receiving SNAP | 5.6% ±3.0 pts | 10.1% | – |
| Households with a computer | 99.2% ±0.6 pts | 97.0% | – |
| Households with a broadband subscription | 99.2% ±0.6 pts | 94.1% | – |
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 Frankfort Square?
Owners occupy 95.2% of Frankfort Square's occupied homes and renters 4.8%. The median owner-occupied home is valued at $305,800 by its owner (±$16,111). The median renter pays $1,622 a month including utilities.
| Measure | Frankfort Square | Will County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $305,800 ±$16,111 | $319,600 | +$30,617 |
| Median gross rent | $1,622 ±$257 | $1,462 | no clear change |
| Renters paying 35% or more of income on rent | 22.6% ±22.8 pts | 43.4% | – |
| Median monthly owner costs, with a mortgage | $2,055 ±$132 | $2,255 | – |
| Owner-occupied homes | 95.2% ±3.1 pts | 82.8% | no clear change |
| Renter-occupied homes | 4.8% ±3.1 pts | 17.2% | – |
| Housing units | 3,288 ±285 | 254,278 | no clear change |
| Homeowner vacancy rate | 0.3% ±0.4 pts | 0.5% | – |
| Rental vacancy rate | 0.0% ±21.3 pts | 3.7% | – |
| Single-family detached homes | 84.0% ±5.5 pts | 74.4% | – |
| Mobile homes | 0.0% ±1.1 pts | 1.3% | – |
| Built 2020 or later | 0.0% ±1.1 pts | 1.2% | – |
| Built 2010 to 2019 | 2.9% ±2.0 pts | 6.3% | – |
| Built 1939 or earlier | 0.0% ±1.1 pts | 6.9% | – |
| Households with no vehicle | 1.9% ±1.4 pts | 3.9% | – |
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 Frankfort Square work and get to work?
75.8% of Frankfort Square's workers drive alone and 11.5% work from home. The average trip to work takes 28.0 minutes. The unemployment rate in 2020-2024 averaged 7.4%.
| Measure | Frankfort Square | Will County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 72.2% ±4.1 pts | 68.3% | – |
| Unemployment rate | 7.4% ±4.4 pts | 4.9% | no clear change |
| Drove alone to work | 75.8% ±4.6 pts | 72.9% | – |
| Carpooled | 10.6% ±4.2 pts | 8.0% | – |
| Public transportation | 0.6% ±0.6 pts | 2.0% | – |
| Walked | 0.6% ±0.6 pts | 0.7% | – |
| Worked from home | 11.5% ±3.4 pts | 14.7% | +8.5 pts |
| Mean travel time to work | 28.0 min ±2.1 | 31.4 min | −5.1 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 Frankfort Square?
1 census tract lies mostly in Frankfort Square, and 3 more reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 8835.11Will County | 4,689 | $125,078 |
| Tract 8835.05Will County | 8,868 | $155,086 |
| Tract 8835.13Will County | 5,903 | $119,924 |
| Tract 8835.14Will County | 7,490 | $176,000 |
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 Frankfort Square) · Census block assignment files
How does Frankfort Square compare with other places in Illinois?
Frankfort Square ranks 122nd of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 382nd | 1,383 |
| Residents per square mile | 119th | 1,383 |
| Median household income | 122nd | 1,380 |
| Per capita income | 429th | 1,383 |
| Median home value | 238th | 1,379 |
| Median gross rent | 150th | 1,280 |
| Poverty rate | 848th | 1,119 |
| Bachelor's degree or higher | 398th | 1,369 |
| Median age | 546th | 1,383 |
| Owner-occupied share | 75th | 1,382 |
| Work from home | 486th | 1,015 |
| Travel time to work | 450th | 1,382 |
Frankfort Square's figures with every place in Illinois (CSV)
Every place in Illinois, sortable · Compare Frankfort Square 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 Frankfort Square?
18 of the 57 figures for Frankfort Square 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 Frankfort Square 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.