Frankfort Franklin County, Illinois

Frankfort: County seat city in Franklin County, Kentucky, USA and Kentucky federated state capital city

Frankfort locator map
Location of Frankfort on Illinois map.


Frankfort is a city located in the county of Franklin in the U.S. state of Illinois. Its population at the 2010 census was 17,782 and a population density of 456 people per km². After 10 years in 2020 city had an estimated population of 19,411 inhabitants.

The city was created 235 years ago in 1785.

KY State Capitol image
KY State Capitol
KY State Capitol image


Frankfort is located at 37°54'0"N 88°54'8"W (37.9000500, -88.9022900).

Frankfort map


Frankfort forecast: Sunny, with a high near 87. Southwest wind 5 to 8 mph. more

Frankfort Quick Facts

Population : 19,411 (2020)
Country : United States of America
State : Illinois (United States)
County : Franklin County
Phone Area Codes : 502
Area : 39.03 km2
Altitude : 509 feet / 155 meters
Capital city : Frankfort is capital of Kentucky, Franklin County
Establishment : January 01, 1786 (235 years ago)
Time Zone : Eastern Time Zone
Local time : 15:12:45 (28th September 2021)
Postal code : 60423
Density : 497 Pop. per km² as of 2020
Population growth : 8.39% (2010-2020)
Weather : 87℉ Sunny 7-days weather


The population of Frankfort increased by 8.39% in 10 years.

Year Population % Change Method
2010 17,782 - census
2011 17,925 0.8% estimation process
2012 18,031 0.59% estimation process
2013 18,168 0.75% estimation process
2014 18,397 1.24% estimation process
2015 18,615 1.17% estimation process
2016 18,820 1.09% estimation process
2017 18,955 0.71% estimation process
2018 19,121 0.87% estimation process
2019 19,341 1.14% estimation process
2020 19,411 0.36% estimation process

Frankfort zip code is 60423. County name: Will, County fips: 17197

People born in Frankfort (56)

People born in Frankfort, including actor and singer Will Chase, lawyer and army officer Daniel Weisiger Adams, U.S. politician George Graham Vest, you can see a list of people who born in Frankfort.

Schools in Frankfort

College & universities near Frankfort, IL

Code Name City ZIP
146205 John A Logan College Carterville (IL) 62918-2500
148256 Rend Lake College Ina (IL) 62846
149222 Southern Illinois University-Carbondale Carbondale (IL) 62901-4512
148937 Southeastern Illinois College Harrisburg (IL) 62946

Stations (8)

Amtrak & bus stations near Frankfort, IL

Code Name Address Type
MAI Marion, IL 2100 West Main Street BUS
DQN Du Quoin 20 North Chestnut St. RAIL
CDL Carbondale station 401 South Illinois St. RAIL
MVI Mt. Vernon, IL 102 Potomac Boulevard BUS
VNA Vienna, IL 504 West Vine Street BUS

Post offices near Frankfort

Post Office Name City ZIP
West Frankfor Post Office West Frankfort (IL) 62896
Orien Post Office Orient (IL) 62874
Logan Post Office Logan (IL) 62856
Freeman Spur Post Office Freeman Spur (IL) 62841
Johnston City Post Office Johnston City (IL) 62951

Other places with the same name (9)

Other cities in Franklin County

Cities, Towns, Neighborhoods & Other Populated Places in Franklin County , IL.

City Name Population Title
West Frankfort 7,733 City in Illinois, USA
Benton 6,784 City in Illinois
Logan 3,057 Unincorporated community in Illinois
Christopher 2,686 City in Franklin County, Illinois, United States
Sesser 1,837 City in Franklin County, Illinois, United States
Zeigler 1,671 City in Franklin County, Illinois, United States
Royalton 1,110 City in Minnesota
Valier 630 Human settlement in Illinois, United States of America
West City 626 Human settlement in Illinois, United States of America
Thompsonville 519 Village in Franklin County, Illinois, United States
Buckner 435 Human settlement in Illinois, United States of America
Orient 338 City in Franklin County, Illinois, United States
Ewing 293 City in Illinois, United States of America

Distance to Other Cities

Frankfort distances to largest Illinois cities