Township · Illinois

Frankfort Township, Franklin County, Illinois

Frankfort Township, Franklin County, township, in Franklin County, Illinois. Frankfort Township, Franklin County had 6,265 residents on July 1, 2025 by the Census Bureau's estimate, down 2.4% since 2020; the 2020 Census counted 6,443 and the ACS 2020-2024 5-year estimates put it at 6,340 (±22). GEOID 1705527611.

Residents, July 2025 estimate

6,265

Census Bureau estimate (no margin published)
2020 Census count: 6,443 · ACS 2020-2024: 6,340 ±22

Median household income

$57,250

±$12,085 (90% margin)
Illinois: $83,390

Median home value

$89,900

±$21,942 (90% margin)
Illinois: $263,300

Median gross rent

$669

±$59 (90% margin)
Illinois: $1,274

Where is Frankfort Township, Franklin County and what county is it in?

Frankfort Township, Franklin County is a township in Franklin County, Illinois. It covers 36.5 square miles of land, 177 residents per square mile in 2020.

One place lies inside Frankfort Township (Franklin County): West Frankfort (city, 7,275 in 2020).

Frankfort Township, Franklin County (marked with a dot) in Franklin 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 Frankfort Township, Franklin County, and is it growing?

The Census Bureau estimates that 6,265 people lived in Frankfort Township, Franklin County on July 1, 2025, down 2.4% since 2020, a steeper fall than Illinois's (−0.8%). The 2020 Census counted 6,443 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 6,340 (±22).

  • July 2020→2021 −35 (6,367)
  • 2021→2022 −46 (6,321)
  • 2022→2023 −17 (6,304)
  • 2023→2024 −28 (6,276)
  • 2024→2025 −11 (6,265)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureFrankfort Township, Franklin CountyFranklin CountyIllinoisChange since 2015-2019
Total population6,340±2237,32312,694,798−462
Households2,675±15416,1375,036,449−270
Average household size2.35±0.132.282.46no clear change
Housing units3,061±20118,4625,457,452no clear change

Frankfort Township, Franklin County's population since 2000

From 7,153 in 2000 to 6,265 in 2025: down 12.4%. The 2000, 2010 and 2020 figures are census counts, each for Frankfort Township, Franklin 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 7,153
  • 2005 (estimate) 7,143
  • 2010 Census 7,029
  • 2015 (estimate) 6,902
  • 2020 Census 6,443
  • 2025 (estimate) 6,265

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 Frankfort Township, Franklin County?

The median resident of Frankfort Township, Franklin County is 39.2 years old; 26.8% are under 18 and 14.3% are 65 or older. The largest group is non-Hispanic white residents at 96.6%, then non-Hispanic residents of two or more races at 1.5%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureFrankfort Township, Franklin CountyFranklin CountyIllinoisChange since 2015-2019
Median age39.2±2.343.439.0−5.2
Under 18 years26.8%±2.7 pts22.1%21.8%–
65 years and over14.3%±2.6 pts21.0%17.0%–
Male47.8%±3.2 pts49.7%49.4%–
Hispanic or Latino (any race)1.3%±1.1 pts2.0%18.8%–
White alone, not Hispanic96.6%±1.9 pts94.1%58.1%no clear change
Black or African American alone, not Hispanic0.4%±0.5 pts0.4%13.3%–
Asian alone, not Hispanic0.2%±0.3 pts0.4%5.9%–
American Indian and Alaska Native alone, not Hispanic0.0%±0.6 pts0.1%0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.6 pts0.0%0.0%–
Two or more races, not Hispanic1.5%±1.2 pts2.8%3.4%–
Some other race alone, not Hispanic0.0%±0.6 pts0.2%0.4%–
Born outside the United States0.7%±0.8 pts1.2%14.7%–
Speak a language other than English at home (age 5+)1.4%±1.2 pts2.7%24.0%–
Civilian veterans (age 18+)6.6%±2.2 pts8.2%4.8%–
With a disability18.9%±3.8 pts21.3%12.1%–
No health insurance coverage7.1%±2.9 pts7.3%6.9%no clear change
High school graduate or higher (age 25+)87.2%±3.9 pts89.6%90.5%–
Bachelor's degree or higher (age 25+)14.8%±3.9 pts15.8%37.8%no clear change
Graduate or professional degree (age 25+)6.6%±2.9 pts5.1%15.3%–
Lived in the same house a year earlier90.0%±3.2 pts88.2%88.9%–
Moved from another state in the past year1.6%±1.3 pts0.7%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 Frankfort Township, Franklin County earn?

Half of Frankfort Township, Franklin County's 2,675 households earn less than $57,250 a year (±$12,085), against $56,740 in Franklin County and $83,390 in Illinois. In 2015-2019 it was $49,133 in 2024 dollars; the margins of error cannot tell the two periods apart. 23.2% 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
MeasureFrankfort Township, Franklin CountyFranklin CountyIllinoisChange since 2015-2019
Median household income$57,250±$12,085$56,740$83,390no clear change
Mean household income$70,135±$9,705$72,759$115,638–
Per capita income$28,642±$3,621$31,012$46,406no clear change
People below the poverty line23.2%±6.6 pts17.5%11.8%no clear change
Children under 18 below the poverty line33.9%±14.4 pts23.8%15.1%no clear change
Households receiving SNAP29.3%±6.6 pts25.8%13.8%–
Households with a computer92.9%±3.1 pts92.3%95.2%–
Households with a broadband subscription83.5%±4.6 pts83.4%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 Frankfort Township, Franklin County?

Owners occupy 67.0% of Frankfort Township, Franklin County's occupied homes and renters 33.0%. The median owner-occupied home is valued at $89,900 by its owner (±$21,942). The median renter pays $669 a month including utilities, and 26.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureFrankfort Township, Franklin CountyFranklin CountyIllinoisChange since 2015-2019
Median home value (owner-occupied)$89,900±$21,942$89,000$263,300no clear change
Median gross rent$669±$59$803$1,274no clear change
Renters paying 35% or more of income on rent26.5%±11.9 pts39.3%39.0%−19.0 pts
Median monthly owner costs, with a mortgage$1,200±$101$1,171$1,987–
Owner-occupied homes67.0%±6.2 pts74.1%67.1%no clear change
Renter-occupied homes33.0%±6.2 pts25.9%32.9%–
Housing units3,061±20118,4625,457,452no clear change
Homeowner vacancy rate7.3%±4.5 pts3.0%1.0%–
Rental vacancy rate0.0%±4.1 pts1.9%5.0%–
Single-family detached homes81.7%±4.9 pts79.1%58.2%–
Mobile homes5.6%±3.3 pts10.3%2.3%–
Built 2020 or later1.5%±2.2 pts0.7%0.7%–
Built 2010 to 20193.3%±2.0 pts5.0%5.0%–
Built 1939 or earlier20.7%±5.1 pts22.9%20.2%–
Households with no vehicle10.4%±4.8 pts6.3%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 Frankfort Township, Franklin County work and get to work?

80.1% of Frankfort Township, Franklin County's workers drive alone and 4.4% work from home. The average trip to work takes 25.8 minutes. The unemployment rate in 2020-2024 averaged 13.7%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureFrankfort Township, Franklin CountyFranklin CountyIllinoisChange since 2015-2019
In the labor force (age 16+)61.9%±4.9 pts56.0%65.0%–
Unemployment rate13.7%±4.5 pts7.7%5.8%no clear change
Drove alone to work80.1%±4.7 pts79.4%65.9%–
Carpooled11.6%±4.1 pts10.3%7.8%–
Public transportation0.0%±1.4 pts0.3%5.8%–
Walked1.6%±1.5 pts1.4%2.8%–
Worked from home4.4%±2.2 pts7.2%15.9%no clear change
Mean travel time to work25.8 min±2.126.9 min27.8 min+3.5 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 Township, Franklin County?

2 census tracts lie mostly in Frankfort Township, Franklin County, and 4 more reach into it (2020 census blocks). Their median household incomes run from $47,285 (Tract 410) to $52,353 (Tract 411).

Census tracts in Frankfort Township, Franklin County, ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in Frankfort Township, Franklin County
Tract 411Franklin County3,204 $52,353 $106,10088%
Tract 410Franklin County2,331 $47,285 $81,40091%
Tract 408Franklin County3,327 $87,222 $129,40030%
Tract 409Franklin County2,325 $43,778 $62,1008%
Tract 412Franklin County3,706 $65,856 $111,9002%
Tract 407Franklin County4,420 $51,838 $75,6001%

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 Township, Franklin County) · Census block assignment files

How does Frankfort Township, Franklin County compare with other places in Illinois?

By the Census Bureau's July 2025 estimates, Frankfort Township, Franklin County is the 1,906th-most populous of the 16,079 U.S. towns and townships that have one and the 211th-most populous of 1,407 in Illinois.

Frankfort Township, Franklin County ranks 1,160th of 1,380 places in Illinois with 1,000 or more residents and a reliable estimate, by median household income.

Frankfort Township, Franklin 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 estimate211th1,407
Growth 2020-2025 (PEP)814th1,347
Residents per square mile914th1,383
Median household income1,160th1,380
Per capita income1,240th1,383
Median home value1,256th1,379
Median gross rent1,199th1,280
Poverty rate76th1,119
Bachelor's degree or higher1,178th1,369
Median age908th1,383
Owner-occupied share1,131st1,382
Work from home981st1,015
Travel time to work671st1,382

Frankfort Township, Franklin County's figures with every place in Illinois (CSV)

Every place in Illinois, sortable · Compare Frankfort Township, Franklin 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 Frankfort Township, Franklin County?

14 of the 57 figures for Frankfort Township, Franklin 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 Frankfort Township, Franklin 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.