Residential delivery area · Illinois

ZIP Code 62423: Dennison, IL

ZIP code 62423 uses the postal name Dennison, Illinois and lies mostly in Clark County (66% of its land) with the rest in Edgar County (Census 2020 ZIP-county file). About 550 people live there (Census Bureau, ACS 2020-2024). Median household income is $47,179 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.

ACS2020-24
Census2020
FHFA2021
IRS2022

6national area: Illinois, Kansas, Missouri and Nebraska

624sectional center: Champaign, IL (SCF 618)

23delivery area within it

Town: Dennison · its only residential ZIP
County: Clark County (66%); Edgar County (34%)
House districts: IL-12 (66%), IL-15 (34%) 119th Congress, by share of land
State: Illinois
Time zone: Central
Land area: 24.4 sq mi · 22 people per sq mi

Where is ZIP code 62423?

62423 centers on 39.463°, -87.580° and covers 24.4 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 47885, 62441, 61944.

Shaded by median household income, in national fifths (ACS 2020-2024); 62423 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 62423, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 62423 compare with the rest of Clark County?

Rank of 62423 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure	62423	In Clark County	In IL
People (ACS 2020-2024)	546	7th of 10	1,090th of 1,396
Median household income	$47k	not ranked	not ranked
Median home value	$173k	not ranked	not ranked

62423's income and home value are not ranked: it has fewer than 1,000 residents (546). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 28% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 62423?

The 2020 Census counted 653 people in 62423; the ACS, which samples households over 2020-2024, estimates 546. Between the 2010 and 2020 censuses its population fell 9.8% (its boundary stayed at least 90% the same).

People, ACS 2020-2024: 546±244 (90% margin)
2020 Census count: 653−9.8% since 2010 (724)
Households: 222
Median age: 48.6

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 62423?

Of the 546 people the ACS estimates in 62423, 24.2% are under 18 and 26.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.5%).

Under 1824.2%
18 to 6449.5%
65 and older26.4%

Age of the people of 62423 (ACS 2020-2024, B01001)

White, not Hispanic92.5%
Other or two or more7.5%
Hispanic or Latino0.0%
Black, not Hispanic0.0%
Asian, not Hispanic0.0%

Race and Hispanic origin in 62423 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 62423 earn?

Median household income is $47,179 (ACS 2020-2024). It fell from $107,126 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income: $47,179±$28,481
Income per person: $54,261
Below the poverty line: 18.9%
Unemployed (of the labor force): 9.8%
Adults 25+ with a bachelor's degree: 24.2%
Adjusted gross income per tax return, 2022: $70,977310 returns; wages 71% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 62423?

Median home value (owners' estimate): $173,300
Median gross rent: –
Homes owned by their occupants: 87.8%
Housing units: 239

Index = 100 in 2003, the first year FHFA reports for 62423; 2021: 137.2. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental. FHFA's series for 62423 stops in 2021: it publishes no ZIP index for a year with too few repeat sales.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

Which ZIP codes are next to 62423?

ZIP codes that share a boundary with 62423, then the nearest by center
ZIP	Town	People	Household income	Distance
47885	West Terre Haute, IN	9,209	$68k	6.3 mi
62441	Marshall	7,003	$81k	7.9 mi
61944	Paris	11,261	$56k	11.5 mi
47876	Saint Mary Of The Woods, IN	433	–	7.1 mi (near)
61955	Vermilion	202	$49k	8.2 mi (near)
47870	Prairieton, IN	0	–	8.6 mi (near)
47809	Terre Haute, IN	1,568	–	9.1 mi (near)
47807	Terre Haute, IN	13,140	$25k	9.4 mi (near)
47863	New Goshen, IN	207	–	10.3 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.