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 Low-density area
- $70,833
- Median income Near-median income area
- $153,600
- Median home value Below-median home value
- 11.8%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 a sparsely populated ZIP (a standard USPS delivery area) in Harmon, Lee County, Illinois, home to just 527 residents across 170.0 square miles, a density of 3 people per square mile, in the Chicago time zone.
ZIP 61042 lands in the middle-income range, with a median household income of $70,833 (12% below the average Illinois ZIP), while per-capita income is $40,650. The poverty rate is 17.3%, with unemployment at 1.6%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $153,600 (20% below the average Illinois ZIP), and median rent is $796; owner occupancy is 73.2%.
Formal educational attainment runs low here: just 11.8% of adults hold a bachelor's degree or higher, the median age is 39.8, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Lee County, so 61042 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$40,650
Per Capita Income
17.3%
Poverty Rate
1.6%
Unemployment Rate
How ZIP 61042 ranks among Illinois ZIPs
Harmon, IL household income vs. every Illinois ZIP code
Median household income among 1,334 reporting Illinois ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$70,833 43rd percentile higher than 43% of 1,334 Illinois ZIPs
Each bar is a $20K-wide band; taller bars hold more Illinois 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?
Housing stock: occupied vs vacant
194housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 61042, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lee County
Related Areas
Frequently Asked Questions
What county is ZIP code 61042 in?
ZIP code 61042 (Harmon) is located in Lee County, Illinois. Lee County contains multiple ZIP codes, see the full list at /counties/lee-il.
What is the population of ZIP code 61042?
ZIP code 61042 in Harmon, IL has a population of 527 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61042?
The median household income in ZIP 61042 is $70,833, which is 7% below the national average of $76,288.
What is the average home value in ZIP 61042?
The median home value in ZIP 61042 is $153,600, which is 45% below the national average of $278,155.
What is the demographic makeup of ZIP 61042?
The largest racial group in ZIP 61042 is White at 85.1%. Hispanic or Latino residents make up 14.1% of the population.
How many businesses are in ZIP code 61042?
ZIP code 61042 has 11 business establishments employing approximately 72 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61042?
In ZIP code 61042, 72.2% of residents aged 25+ have a high school diploma or higher, and 11.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 61042?
In ZIP code 61042, approximately 73.2% of occupied housing units are owner-occupied and 26.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61042?
The poverty rate in ZIP code 61042 is 17.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 61042's numbers, next.
- See how ZIP 61042 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Harmon, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.