PlainZIP

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 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 Illinois average), while per-capita income is $40,650. Poverty here runs at 17.3%, with unemployment measured at 1.6%. The typical home here is valued at $153,600 (20% below the state average); renters pay a median of $796 monthly, and 73.2% of units are owner-occupied.

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 -. Beyond these figures, 6 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Lee County, letting you compare 61042 to its immediate surroundings rather than a national baseline alone.

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 61042?

39.8

Median Age

56.9%

Male

43.1%

Female

0.0%

Foreign-Born

White 85.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 3.0%
Two or More Ethnicities 3.2%
Hispanic or Latino 14.1%

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

Harmon, IL 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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 72.2%
Bachelor's Degree or Higher 11.8%

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

Owner 73.2%
Renter 26.8%

$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.

residents

What this shows Among its immediate neighbors, ZIP 61042 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 61042 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
61071 Rock Falls, IL 14,381 7.8 mi
61243 Deer Grove, IL 264 7.8 mi
61376 Walnut, IL 2,280 10.5 mi
61021 Dixon, IL 23,745 10.7 mi
61324 Eldena, IL 109 9.6 mi
61349 Ohio, IL 977 11.3 mi

More ZIP Codes in Lee County

61021 standard
Dixon, IL
Pop: 23,745
61310 standard
Amboy, IL
Pop: 3,970
61006 standard
Ashton, IL
Pop: 1,759
61031 standard
Franklin Grove, IL
Pop: 1,656
61353 standard
Paw Paw, IL
Pop: 1,333
61367 standard
Sublette, IL
Pop: 864

Related Areas

Lee County Harmon, IL Illinois

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.

Read our methodology to see how this data is sourced, computed, and verified.