• county
  • FIPS 17091
  • Largest town: Kankakee

Kankakee County, Illinois

Kankakee County had 106,410 residents in the Census Vintage 2024 estimate, on 676.5 square miles of land. It ranks 18th of 102 in Illinois by population and 27th by land area.

Population
106,410
#18 of 102 in Illinois · #589 in US
Area
676.5 sq mi
#27 of 102 in Illinois · #1,387 in US
Density
157 / sq mi
#20 of 102 in Illinois · #674 in US
Median household income
$68,451
#45 of 102 in Illinois · #1,105 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Kankakee County within Illinois. Pin: Springfield.

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Tools and pages that start from Kankakee County

Kankakee County population, land area and income

Kankakee County had 106,410 residents in the Census Vintage 2024 estimate, on 676.5 square miles of land. It ranks 18th of 102 in Illinois by population and 27th by land area. That works out to 157.3 people per square mile, 1.6 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Illinois has 24,447 residents, so Kankakee County is 4.4 times that size.

Its SAIPE 2023 median household income of $68,451 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

106,410

3144th1st

589th of 3,144 (US)

Land area

676 sq mi

3144th1st

1387th of 3,144 (US)

Density

157.3 / sq mi

3144th1st

674th of 3,144 (US)

Median household income

$68,451

3143rd1st

1105th of 3,143 (US)

Rank within Illinois (102)

Population

106,410

102nd1st

18th of 102 (IL)

Land area

676 sq mi

102nd1st

27th of 102 (IL)

Density

157.3 / sq mi

102nd1st

20th of 102 (IL)

Median household income

$68,451

102nd1st

45th of 102 (IL)

How Kankakee County's population changed since 2020

Kankakee County lost 993 residents between the July 2020 and July 2024 estimates, a drop of 0.9%. That ranks 28th of 102 in Illinois for growth. The median Illinois county changed by -1.7%, and the state as a whole by -0.7%.

Since the April 2020 estimates base, Kankakee County recorded 4,823 births and 5,445 deaths, a natural change of -622. Net international migration added +1,023 and net domestic migration, people moving to or from other US counties, came to -1,646. The largest single component was domestic migration, which removed 1,646 people.

107.4k2020106.8k2021106.2k2022106.4k2023106.4k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
4,823
Deaths
5,445
Net international migration
+1,023
Net domestic migration
-1,646
Change, July 2023 to July 2024
+24

Where Kankakee County is

The Census internal point of Kankakee County is at 41.139500, -87.861100. It sits in UTM zone 16N. The map shades Illinois's 102 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Kankakee County outlined. Dots are towns of 1,000+ people with residents in it.

Piatt County: -0.3%Hamilton County: -2.2%Williamson County: -0.1%Edgar County: -2.4%Macoupin County: -2.3%Marshall County: -1.3%Putnam County: +0.0%Richland County: -2.8%Washington County: -1.4%Lee County: -1.5%Douglas County: +0.2%Cook County: -1.6%Effingham County: -0.3%Edwards County: -3.6%Cass County: -2.0%Clay County: -3.4%Knox County: -2.2%LaSalle County: -0.9%Cumberland County: -1.3%Warren County: -3.7%Moultrie County: -0.9%Menard County: -2.5%Fayette County: -1.5%Boone County: -0.0%Lawrence County: -3.2%Marion County: -3.2%Champaign County: +3.0%Clark County: -2.4%Ford County: -0.4%Wayne County: -1.4%Logan County: -1.4%Grundy County: +2.5%Jasper County: -1.8%Crawford County: -1.3%McDonough County: -1.7%Clinton County: +0.5%Perry County: -3.0%Montgomery County: -2.2%Henry County: -2.0%Livingston County: -1.2%Scott County: -3.8%Alexander County: -11.2%Bureau County: -2.2%Brown County: +1.1%Mason County: -3.9%Calhoun County: -4.1%Greene County: -4.3%Coles County: -1.4%Kendall County: +8.2%Lake County: +0.7%Mercer County: -2.2%St. Clair County: -2.3%Wabash County: -3.0%Bond County: -1.7%DuPage County: +0.6%Gallatin County: -5.2%Stephenson County: -3.3%McHenry County: +1.9%White County: -3.0%Saline County: -3.9%Christian County: -2.2%Sangamon County: -1.0%Massac County: -3.6%Macon County: -2.9%Johnson County: -0.0%Jo Daviess County: -2.6%Peoria County: -1.0%DeKalb County: +1.0%Pope County: -1.5%De Witt County: -0.9%Schuyler County: -1.7%Fulton County: -3.1%Ogle County: -0.8%Jersey County: -1.6%Iroquois County: -3.3%Kankakee County: -0.9%Rock Island County: -1.1%Pulaski County: -5.8%Kane County: +0.9%Union County: -2.4%Whiteside County: -1.7%Woodford County: -0.3%Carroll County: -1.5%Adams County: -2.3%Hardin County: -2.6%Madison County: -1.0%Hancock County: -3.1%Monroe County: +0.0%Tazewell County: -1.1%Jackson County: -0.1%Vermilion County: -3.9%Randolph County: -0.6%McLean County: +0.5%Morgan County: -2.6%Shelby County: -1.7%Will County: +1.7%Winnebago County: -0.4%Jefferson County: -2.4%Stark County: -2.2%Henderson County: -4.5%Pike County: -2.6%Franklin County: -1.8%
Change 2020 to 2024
  1. < -3.0%
  2. < -2.2%
  3. < -1.4%
  4. < -0.3%
  5. ≥ -0.3%
no data

Orange pin: Kankakee County internal point. Dark pin: Springfield.

Internal point

Decimal
41.139500, -87.861100
DMS
41°08'22.20"N 87°51'39.96"W
UTM
16N 427732.7E 4554600.4N
Geohash
dp3d09jqz
Plus code
86HJ44QQ+RH

Towns in Kankakee County

10 incorporated places of 1,000+ people have residents in Kankakee County, 75,140 people together, or 71% of the county. Each figure counts only the part of the town inside Kankakee County; towns marked "part" extend into another county. The largest is Kankakee with 23,535.

  1. 01Kankakee23,535
  2. 02Bourbonnais18,083
  3. 03Bradley15,298
  4. 04Manteno9,241
  5. 05Momence3,169
  6. 06Limestone1,524
  7. 07Herscher1,493
  8. 08Grant Park1,282
  9. 09St. Anne1,130
  10. 10Chebanse (part)385
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Kankakee County

The Census 2024 county adjacency file lists 7 neighbors for Kankakee County, including 2 across a state line. The most populous is Will County, IL, with 708,583 residents. Distances run between Census internal points in a straight line.

Distance to Springfield and the nearest big city

Springfield is 132.9 miles SW of Kankakee County's internal point in a straight line. The nearest place of 100,000 or more is Joliet, IL (population 151,837), 30.0 miles away. The nearest place of 10,000 or more is Bradley, IL (population 15,298), 1.9 miles away.

Kankakee County FIPS code

The FIPS code of Kankakee County is 17091: state code 17 for Illinois plus county code 091. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $68,451.

Questions people ask

What is the population of Kankakee County, Illinois?

The Census Vintage 2024 estimate for July 1, 2024 is 106,410. That is down 993 people (0.9%) from the July 2020 estimate of 107,403.

What is the FIPS code of Kankakee County?

17091. The first two digits (17) are Illinois; the last three (091) identify the county.

What is the largest town in Kankakee County?

Kankakee, with 23,535 residents inside Kankakee County in 2024.

Which counties border Kankakee County?

7 county-equivalents border it in the Census 2024 adjacency file: Will County, IL; Lake County, IN; Grundy County, IL; Livingston County, IL; Iroquois County, IL; Newton County, IN; Ford County, IL.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.