Harmon, IL · standard
ZIP Code 61042
Lee County, Illinois — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 527
- 3/sq mi
- $70,833
- Median income
- $153,600
- Median home value
- 11.8%
- Bachelor's or higher
The verdict
Harmon pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.
- 48th pct
- household income, US ZIPs
- 27th pct
- home value, US ZIPs
- 3
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61042 against every reporting US ZIP.
ZIP code 61042 is classified by USPS as a standard delivery area and covers roughly 170.0 square miles in Harmon, Lee County, Illinois. The area is home to 527 residents, producing a population density of 3 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 61042 against Illinois and the nation.
On the economic side, the median household income for ZIP 61042 sits at $70,833 (12% below the Illinois average), while per-capita income is $40,650. The poverty rate stands at 17.3% and the unemployment rate at 1.6%. On housing, the median home value is $153,600 (20% below the state average) with median rent at $796 per month, and 73.2% of occupied units are owner-occupied, a direct signal of whether 61042 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 11.8% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is —. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Lee County, so you can benchmark 61042 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 61042, Harmon, 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
527
Population
170.0
Area (sq mi)
3
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61042?
39.8
Median Age
56.9%
Male
43.1%
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?
$70,833
Median Household Income
-12% vs state
$40,650
Per Capita Income
17.3%
Poverty Rate
1.6%
Unemployment Rate
How ZIP 61042 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$70,833 48th percentile higher than 48% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
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?
194
Total Housing Units
164
Occupied Units
30
Vacant Units
2.46
Avg Household Size
Occupancy Type
$153,600
Median Home Value
-20% vs state
$796
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 11 business establishments in ZIP 61042, employing approximately 72 people with a combined annual payroll of $5,972,000.
11
Businesses
72
Employees
$6.0M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 61042 vs 61071 →
ZIP 61042 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61021
Dixon (61021)
23,745 residents
- 61071
Rock Falls (61071)
14,381 residents
- 61376 2,280
Walnut (61376)
2,280 residents
- 61349 977
Ohio (61349)
977 residents
- 61042 527
Harmon (61042)
527 residents
- 61243 264
Deer Grove (61243)
264 residents
- 61324 109
Eldena (61324)
109 residents
What this shows Among its immediate neighbors, ZIP 61042 ranks #5 by population — useful context the national average alone can't give.
ZIP 61042 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61243
Deer Grove (61243)
$148,309 median income
- 61349
Ohio (61349)
$71,375 median income
- 61042
Harmon (61042)
$70,833 median income
- 61021
Dixon (61021)
$69,127 median income
- 61376
Walnut (61376)
$61,200 median income
- 61071
Rock Falls (61071)
$60,508 median income
What this shows By household income, ZIP 61042 ranks #3 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Lee County
Related Areas
Frequently Asked Questions
What county is ZIP code 61042 in? ▼
What is the population of ZIP code 61042? ▼
What is the median household income in ZIP 61042? ▼
What is the average home value in ZIP 61042? ▼
What is the demographic makeup of ZIP 61042? ▼
How many businesses are in ZIP code 61042? ▼
What is the education level in ZIP code 61042? ▼
What percentage of residents own vs. rent in ZIP 61042? ▼
What is the poverty rate in ZIP code 61042? ▼
ZIP Code Research Guides
Official Data Resources for Harmon, IL
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.