Mercer County

Mercer County has 15,495 residents across 12 ZIP codes with their own report. Median household income is $74,182, 11% below the Illinois figure. The typical owner-occupied home is valued at $146,700, and 21% of adults 25 and over hold a bachelor’s degree or higher.

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

15,495residentsACS 2020–2024

$74,182median household incomeIllinois: $83K

$146,700median home valueowner-occupied homes

91%of households have broadbandhome internet subscription

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

Map of Illinois with Mercer 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 12 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
61231	4,962	$71K	$148K	72%	25%	91%	23 min
61260	737	$42K	$97K	74%	12%	93%	29 min
61263	657	$87K	$135K	89%	18%	95%	29 min
61272	1,437	$64K	$146K	85%	13%	95%	37 min
61279	1,015	$88K	$162K	88%	16%	92%	28 min
61281	2,520	$103K	$224K	92%	27%	85%	29 min
61412	1,392	$82K	$118K	88%	25%	88%	27 min
61442	504	$49K	$67K	81%	3%	81%	42 min
61465	1,192	$57K	$127K	90%	12%	89%	34 min
61466	263	$73K	$90K	100%	28%	98%	31 min
61476	551	$88K	$123K	93%	33%	82%	28 min
61486	1,330	$79K	$135K	90%	18%	93%	32 min

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

People.

15,495 residents in 6,565 households, next to the Illinois figure.

21%

under 18

18%

aged 18–34

22%

aged 65 and over

26%

of households are people living alone

59%

of households are married couples

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

Homes.

7,285 housing units; the median owner-occupied home is valued at $146,700 (±$7,887).

84%

of households own their home

88%

of homes are detached single-family houses

are in buildings with 5 or more units

are mobile homes

10%

of housing units are vacant

$786

median gross rent a month

When homes were built

2020 or later0%

2010–20193%

2000–20097%

1990–19998%

1980–19895%

1970–197918%

1960–196912%

1950–195911%

1940–19496%

1939 or earlier31%

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 ±$7,031.

$74,182

median household income

8.9%

of people live below the poverty line

3.2%

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.

29 min

average commute to work

23%

of commuters travel 45 minutes or more

87%

of workers drive or carpool

take public transportation

walk or bike

10%

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.

91%

of households have a broadband subscription

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