ZIP Code 62423
standardSource:
Dennison · Clark County · Illinois
- Population
- 724
- Median income
- $47,179
- Median home value
- $173,300
- Bachelor's or higher
- 24.2%
- Land area
- 59.8 sq mi
12/sq mi
▼ 38% vs US
higher than 11% of US ZIPs
▼ 38% vs US
higher than 36% of US ZIPs
Median age 48.6
Chicago
ZIP code 62423 in Dennison, Illinois has a population of 724. The median household income is $47,179, which is 38% below the national average. Median home value is $173,300, 38% below the US average. 24.2% of residents hold a bachelor's degree or higher.
ZIP code 62423 is classified by USPS as a standard delivery area and covers roughly 59.8 square miles in Dennison, Clark County, Illinois. The area is home to 724 residents, producing a population density of 12 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 62423 against Illinois and the nation.
On the economic side, the median household income for ZIP 62423 sits at $47,179 (41% below the Illinois average), while per-capita income is $54,261. The poverty rate stands at 18.9% and the unemployment rate at 9.5%. On housing, the median home value is $173,300 (10% below the state average) with median rent at — per month, and 87.8% of occupied units are owner-occupied, a direct signal of whether 62423 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 24.2% of adults hold a bachelor's degree or higher, the median age is 48.6, and the average commute is —. We also surface 6 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Clark County, so you can benchmark 62423 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 62423, Dennison, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
724
Population
59.8
Area (sq mi)
12
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 62423?
48.6
Median Age
57.9%
Male
42.1%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$47,179
Median Household Income
-41% vs state
$54,261
Per Capita Income
18.9%
Poverty Rate
9.5%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
239
Total Housing Units
222
Occupied Units
17
Vacant Units
2.46
Avg Household Size
Occupancy Type
$173,300
Median Home Value
-10% vs state
1986
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 62423 vs 61955 →
More ZIP Codes in Clark County
Related Areas
Frequently Asked Questions
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What percentage of residents own vs. rent in ZIP 62423? ▼
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ZIP Code Research Guides
Official Data Resources for Dennison, IL
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.