Knox County

Knox County has 49,046 residents across 17 ZIP codes with their own report. Median household income is $57,030, 32% below the Illinois figure. The typical owner-occupied home is valued at $111,900, and 21% of adults 25 and over hold a bachelor’s degree or higher.

County · ACS 2020–2024 · Updated October 24, 2026

49,046residentsACS 2020–2024

$57,030median household incomeIllinois: $83K

$111,900median home valueowner-occupied homes

84%of households have broadbandhome internet subscription

Knox County in IllinoisZIP codes in Knox County highlighted; the rest of Illinois in grey

Map of Illinois with Knox County highlighted

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

All 17 ZIP codes.

Colour shows where each zip code sits among the others in the table, from lowest to highest.

ZIP code	Residents	Household income	Home value	Owners	Bachelor's+	Broadband	Commute
61401	30,580	$51K	$101K	64%	22%	83%	18 min
61402	1,623	$-666667K	$-666667K	–	1%	–	–
61410	3,838	$63K	$104K	73%	18%	83%	30 min
61414	696	$49K	$134K	95%	15%	90%	28 min
61428	1,278	$77K	$285K	95%	34%	93%	30 min
61430	713	$79K	$124K	84%	28%	90%	22 min
61436	745	$76K	$205K	87%	20%	76%	35 min
61439	299	$59K	$114K	70%	20%	85%	29 min
61448	3,947	$83K	$146K	87%	24%	84%	23 min
61458	656	$65K	$77K	83%	11%	86%	29 min
61467	1,159	$88K	$137K	88%	29%	95%	22 min
61472	453	$77K	$150K	87%	24%	88%	28 min
61474	221	$60K	$79K	94%	10%	80%	40 min
61485	417	$59K	$106K	92%	22%	88%	28 min
61488	1,084	$68K	$113K	81%	17%	93%	22 min
61489	820	$98K	$149K	95%	25%	91%	25 min
61572	732	$73K	$116K	82%	18%	86%	30 min

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

People.

49,046 residents in 20,972 households, next to the Illinois figure.

20%

under 18

21%

aged 18–34

22%

aged 65 and over

39%

of households are people living alone

41%

of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

23,758 housing units; the median owner-occupied home is valued at $111,900 (±$4,687).

71%

of households own their home

77%

of homes are detached single-family houses

11%

are in buildings with 5 or more units

are mobile homes

12%

of housing units are vacant

$788

median gross rent a month

When homes were built

2020 or later0%

2010–20194%

2000–20094%

1990–19996%

1980–19895%

1970–197920%

1960–19698%

1950–195913%

1940–19495%

1939 or earlier35%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$3,310.

$57,030

median household income

14.6%

of people live below the poverty line

5.1%

unemployment rate

21%

of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

21 min

average commute to work

12%

of commuters travel 45 minutes or more

88%

of workers drive or carpool

take public transportation

walk or bike

work from home

of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

84%

of households have a broadband subscription

11%

have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates