US ZIP Code
62423

Dennison, IL

Clark County  ·  Illinois

● Active
👥 609 Population ↓ 5% since 2019
🎂 37.2 Median Age
🏠 $147,900 Median Home Value
▼ 47% below avg ↑ 18% since 2019
🎓 58.0% College Grads
▲ 50% above avg
📊 10.8% Unemployment
▲ 120% above avg
ZIP Code Details
ZIP Code62423
CityDennison
StateIllinois (IL)
CountyClark County
Area Code217/447
Elevation578 ft
Latitude39.462713
Longitude-87.579876
TimezoneChicago (DST)
FIPS17023
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 57.8% (352) Female 42.2% (257) ♀

Race & Ethnicity

White: 97.9%Other: 2.1%Race
White97.9%
Other2.1%

Age Breakdown

Under 5
5%
5–17
24%
18–24
5%
25–44
30%
45–64
17%
65+
3%

Key Indicators

Median Age37.2 yrs
Avg Household Size2.46
Below Poverty15.1% ▲ 51% above avg
College Grads58.0% ▲ 50% above avg
Unemployment10.8% ▲ 120% above avg
HS Graduate46 (12.5%)
Some College108 (29.4%)
Bachelors47 (12.8%)
Graduate Degree166 (45.2%)

Education

HS Grad: 12.5%Some College: 29.4%Bachelors: 12.8%Graduate: 45.2%Edu
HS Grad12.5%
Some College29.4%
Bachelors12.8%
Graduate45.2%
Housing & Income

Housing Tenure

Owner: 90.3%Renter: 9.7%Tenure
Owner90.3%
Renter9.7%

Home Value Distribution

Under $50k
3%
$100k–150k
50%
$150k–200k
16%
$200k–300k
28%
$300k–500k
4%

Financials

Median Home Value$147,900 ▼ 47% below avg ↑ 18% since 2019
Total Units264
Vacant Units16
Avg HH Size2.46

Income Distribution

Under $25k
18%
$25k–50k
24%
$50k–75k
10%
$75k–100k
4%
$100k–150k
25%
$150k–200k
9%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

Under 15 min
5%
15–30 min
38%
30–45 min
40%
Over 45 min
18%
Housing Stock

Year Built

1940s–1950s
5%
1960s–1970s
12%
1980s–1990s
27%
2000+
55%

Summary

Total Units264
Vacant16
Owner Occupied90.3%
Renter Occupied9.7%
Avg HH Size2.46
Frequently Asked Questions
ZIP code 62423 is in Dennison, IL, in Clark County.
ZIP code 62423 is located in Illinois (IL).
ZIP code 62423 is in Clark County, IL.
ZIP 62423 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 62423 is 609 people (ACS 2023).
Income data not available.
The median home value in ZIP 62423 is $147,900 (ACS 2023).
About ZIP Code 62423

ZIP code 62423 is located in Dennison, Illinois, within Clark County. With a population of 609, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.2 years.

Real estate in ZIP code 62423 represents one of the more affordable housing markets in the country. The median home value of $147,900 is below the national average. Homeownership is strong here — 90.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 18% since 2019.

The population of 62423 is primarily White (97.87%). Residents are well-educated — 58.0% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 15.1%.

The unemployment rate in 62423 stands at 10.8%, which is more than double the national average. As in most parts of the country, driving alone is the dominant commute mode at 100%.

Overall, ZIP code 62423 in Dennison, IL is characterized as well-educated, a relatively young community, and predominantly owner-occupied.