Knox County vs. Henry County
Home > Facts > United States > County Comparisons
Choose...
Alameda - CA
Allegheny - PA
Baltimore - MD
Bergen - NJ
Bernalillo - NM
Bexar - TX
Bronx - NY
Broward - FL
Clark - NV
Cobb - GA
Collin - TX
Contra Costa - CA
Cook - IL
Cuyahoga - OH
Dallas - TX
Davidson - TN
DeKalb - GA
Denton - TX
Denver - CO
District of Columbia - DC
DuPage - IL
Duval - FL
El Paso - CO
El Paso - TX
Erie - NY
Essex - MA
Essex - NJ
Fairfax - VA
Fairfield - CT
Fort Bend - TX
Franklin - OH
Fresno - CA
Fulton - GA
Gwinnett - GA
Hamilton - OH
Harris - TX
Hartford - CT
Hennepin - MN
Hidalgo - TX
Hillsborough - FL
Honolulu - HI
Hudson - NJ
Jackson - MO
Jefferson - AL
Jefferson - KY
Kern - CA
King - WA
Kings - NY
Lake - IL
Lee - FL
Los Angeles - CA
Macomb - MI
Maricopa - AZ
Marion - IN
Mecklenburg - NC
Miami-Dade - FL
Middlesex - MA
Middlesex - NJ
Milwaukee - WI
Monroe - NY
Montgomery - MD
Montgomery - PA
Multnomah - OR
Nassau - NY
New Haven - CT
New York - NY
Norfolk - MA
Oakland - MI
Oklahoma - OK
Orange - CA
Orange - FL
Palm Beach - FL
Philadelphia - PA
Pierce - WA
Pima - AZ
Pinellas - FL
Prince George's - MD
Queens - NY
Riverside - CA
Sacramento - CA
Salt Lake - UT
San Bernardino - CA
San Diego - CA
San Francisco - CA
San Joaquin - CA
San Mateo - CA
Santa Clara - CA
Shelby - TN
Snohomish - WA
St. Louis - MO
Suffolk - MA
Suffolk - NY
Tarrant - TX
Travis - TX
Ventura - CA
Wake - NC
Wayne - MI
Westchester - NY
Will - IL
Worcester - MA
Choose...
Alameda - CA
Allegheny - PA
Baltimore - MD
Bergen - NJ
Bernalillo - NM
Bexar - TX
Bronx - NY
Broward - FL
Clark - NV
Cobb - GA
Collin - TX
Contra Costa - CA
Cook - IL
Cuyahoga - OH
Dallas - TX
Davidson - TN
DeKalb - GA
Denton - TX
Denver - CO
District of Columbia - DC
DuPage - IL
Duval - FL
El Paso - CO
El Paso - TX
Erie - NY
Essex - MA
Essex - NJ
Fairfax - VA
Fairfield - CT
Fort Bend - TX
Franklin - OH
Fresno - CA
Fulton - GA
Gwinnett - GA
Hamilton - OH
Harris - TX
Hartford - CT
Hennepin - MN
Hidalgo - TX
Hillsborough - FL
Honolulu - HI
Hudson - NJ
Jackson - MO
Jefferson - AL
Jefferson - KY
Kern - CA
King - WA
Kings - NY
Lake - IL
Lee - FL
Los Angeles - CA
Macomb - MI
Maricopa - AZ
Marion - IN
Mecklenburg - NC
Miami-Dade - FL
Middlesex - MA
Middlesex - NJ
Milwaukee - WI
Monroe - NY
Montgomery - MD
Montgomery - PA
Multnomah - OR
Nassau - NY
New Haven - CT
New York - NY
Norfolk - MA
Oakland - MI
Oklahoma - OK
Orange - CA
Orange - FL
Palm Beach - FL
Philadelphia - PA
Pierce - WA
Pima - AZ
Pinellas - FL
Prince George's - MD
Queens - NY
Riverside - CA
Sacramento - CA
Salt Lake - UT
San Bernardino - CA
San Diego - CA
San Francisco - CA
San Joaquin - CA
San Mateo - CA
Santa Clara - CA
Shelby - TN
Snohomish - WA
St. Louis - MO
Suffolk - MA
Suffolk - NY
Tarrant - TX
Travis - TX
Ventura - CA
Wake - NC
Wayne - MI
Westchester - NY
Will - IL
Worcester - MA
Knox County (IL) Henry County (IL)
Population estimates, July 1, 2019, (V2019) 50,112 49,090
Population, percent change - April 1, 2010 (estimates base) to July 1, 2019, (V2019) -5.3% -2.8%
Population estimates base, April 1, 2010, (V2019) 52,925 50,485
Population, Census, April 1, 2010 52,919 50,486
Persons under 5 years, percent 5.6% 5.6%
Persons under 18 years, percent 19.6% 22.4%
Persons 65 years and over, percent 21.6% 20.3%
Female persons, percent 49.6% 50.2%
White alone, percent 87.6% 95.6%
Black or African American alone, percent 8.2% 1.9%
American Indian and Alaska Native alone, percent 0.4% 0.3%
Asian alone, percent 1.1% 0.5%
Two or More Races, percent 2.7% 1.6%
Hispanic or Latino, percent 5.9% 6.0%
White alone, not Hispanic or Latino, percent 82.7% 90.2%
Veterans, 2014-2018 3,585 3,459
Foreign born persons, percent, 2014-2018 3.2% 2.0%
Housing units, July 1, 2018, (V2018) 23,890 22,168
Owner-occupied housing unit rate, 2014-2018 65.4% 77.8%
Median value of owner-occupied housing units, 2014-2018 $83,100 $118,800
Median selected monthly owner costs -with a mortgage, 2014-2018 $936 $1,135
Median selected monthly owner costs -without a mortgage, 2014-2018 $422 $471
Median gross rent, 2014-2018 $631 $649
Housing units in multi-unit structures, percent, 2009-2013 17.5% 10.1%
Building permits, 2018 22 32
Households, 2014-2018 20,830 20,023
Persons per household, 2014-2018 2.25 2.43
Living in same house 1 year ago, percent of persons age 1 year+, 2014-2018 90.8% 93.4%
Language other than English spoken at home, percent of persons age 5 years+, 2014-2018 5.5% 4.2%
Households with a computer, percent, 2014-2018 80.5% 83.3%
Households with a broadband Internet subscription, percent, 2014-2018 71.6% 74.3%
High school graduate or higher, percent of persons age 25 years+, 2014-2018 88.8% 90.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2014-2018 18.5% 22.6%
With a disability, under age 65 years, percent, 2014-2018 11.2% 8.0%
Persons without health insurance, under age 65 years, percent 5.8% 6.2%
In civilian labor force, total, percent of population age 16 years+, 2014-2018 53.6% 60.9%
In civilian labor force, female, percent of population age 16 years+, 2014-2018 52.7% 55.4%
Total health care and social assistance receipts/revenue, 2012 ($1,000) 338,670 123,392
Total merchant wholesaler sales, 2012 ($1,000) 502,447 1,229,471
Total retail sales, 2012 ($1,000) 791,255 500,077
Total retail sales per capita, 2012 $15,145 $9,971
Mean travel time to work (minutes), workers age 16 years+, 2014-2018 18.0 23.0
Median household income (in 2018 dollars), 2014-2018 $43,709 $57,250
Per capita income in past 12 months (in 2018 dollars), 2014-2018 $24,681 $29,014
Persons in poverty, percent 16.4% 11.5%
Total employer establishments, 2017 1,025 1,054
Total employment, 2017 15,719 13,304
Total annual payroll, 2017 ($1,000) 480,436 477,203
Total employment, percent change, 2016-2017 -1.7% -2.4%
Total nonemployer establishments, 2017 2,301 2,776
All firms, 2012 3,342 3,038
Men-owned firms, 2012 1,625 1,723
Women-owned firms, 2012 1,083 894
Minority-owned firms, 2012 300 169
Nonminority-owned firms, 2012 2,820 2,749
Veteran-owned firms, 2012 277 275
Nonveteran-owned firms, 2012 2,637 2,569
Black-owned firms, percent, 2007 0.0% 0.0%
American Indian- and Alaska Native-owned firms, percent, 2007 0.0% 0.0%
Asian-owned firms, percent, 2007 0.0% 0.0%
Native Hawaiian- and Other Pacific Islander-owned firms, percent, 2007 0.0% 0.0%
Hispanic-owned firms, percent, 2007 0.0% 0.0%
Women-owned firms, percent, 2007 32.0% 0.0%
Population per square mile, 2010 73.9 61.3
Land area in square miles, 2010 716.40 822.99
Source: United States Census Bureau
About this page: Side-by-side comparison between Knox county (IL) and Henry county (IL) using the main population, demographic, and social indicators from the United States Census Bureau.