Postal Codes

61042 ZIP Code

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ZIP code 61042 covers Harmon, Illinois, with a population of about 410 and a median household income of $70,000.

Population
4106 per square mile
Median age
39.60.9 points above the US average
Median household income
$70,00014% below the Illinois median
Poverty rate
18.5%6.1 points above the US average
Typical home value
$216,625
Median rent
$92225% below the Illinois median
Degree or higher
12.7%22.3 points below the US average
Homeownership
78.8%13.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
12

Where 61042 is

Harmon, Illinois — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population410
Median age39.6
Family households51.2%
Born outside the US0%
Speaks a language other than English at home1.5%
White (non-Hispanic)89.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino9%
Veterans10.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$70,000
Income per person$37,213
Poverty rate18.5%
Households on SNAP or cash assistance5.9%

Household income distribution

Under $10k4.7%
$10–15k7.6%
$15–20k0.6%
$20–25k1.8%
$25–30k1.8%
$30–35k4.7%
$35–40k0.0%
$40–45k7.1%
$45–50k11.2%
$50–60k3.5%
$60–75k8.2%
$75–100k7.6%
$100–125k7.6%
$125–150k28.2%
$150–200k4.7%
$200k or more0.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed220
Mean adjusted gross income$75,491
Returns declaring $200,000 or more0%
Returns, under $25k27.3%
Returns, $25k–$50k22.7%
Returns, $50k–$75k13.6%
Returns, $75k–$100k9.1%
Returns, $100k–$200k27.3%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$922
Rent as a share of household income9%
Owner-occupied78.8%
Vacant homes9.6%
Median year built1942

What the homes are

Detached house92.6%
5 to 19 units0.5%
Mobile home6.9%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$216,625as of 2026-07
Typical home value, 1 yearup 6.5%
Typical home value since 2000
202220242026$216,625$181,881

$193,184 in 2022 to $216,625 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.1%
Bachelor's degree or higher12.7%
High school diploma or higher98.4%
Works from home24.7%
Drives to work alone70.9%
Takes public transport0%
Commutes 45 minutes or more17.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.8% 3.4 pts above the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure37.9% 3.8 pts above the national average of 34.1%
Fair or poor general health18.7% 1.6 pts below the national average of 20.3%
No health insurance (18–64)7.7% 3.6 pts below the national average of 11.3%
Depression21.3% 0.6 pts below the national average of 21.9%
No leisure-time physical activity24.3% 1.1 pts below the national average of 25.4%
Arthritis30.2% 5.1 pts above the national average of 25.1%
Binge drinking17% 1 pts above the national average of 16%
Taking blood pressure medication79.6% 4.9 pts above the national average of 74.7%
Cancer (non-skin)10.5% 2.8 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening88.5% 2.6 pts above the national average of 85.9%
Cognitive disability13% 1.8 pts below the national average of 14.8%
Colorectal screening64.3% same as the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist63.6% 2.3 pts above the national average of 61.3%
Any disability31.1% same as the national average of 30.7%
Lacks emotional support23.6% 1.2 pts below the national average of 24.8%
Food insecurity11.8% 5.3 pts below the national average of 17.1%
Received food stamps10.7% 3.6 pts below the national average of 14.3%
Hearing disability8.6% 1.9 pts above the national average of 6.7%
High cholesterol39.1% 2.9 pts above the national average of 36.2%
Housing insecurity9.7% 4.1 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport6.4% 2.8 pts below the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use73.1% 2.8 pts below the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability14.7% 0.7 pts above the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours35.6% 0.8 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed71
Annual payroll$5,104,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 60.3% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss68.6 out of 100
Community resilience74.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought97.7Relatively Moderate at its worst in this ZIP code
Strong wind94.6Relatively High at its worst in this ZIP code
Hail83.2Relatively Moderate at its worst in this ZIP code
Landslide76.9Very Low at its worst in this ZIP code
River flooding71.7Relatively Moderate at its worst in this ZIP code
Tornado70.9Relatively Moderate at its worst in this ZIP code
Cold wave69.6Relatively Moderate at its worst in this ZIP code
Wildfire49.3Very Low at its worst in this ZIP code
Earthquake46.5Relatively Low at its worst in this ZIP code
Winter weather42.9Relatively Low at its worst in this ZIP code
Ice storm41.3Relatively Low at its worst in this ZIP code
Hurricane33.7Very Low at its worst in this ZIP code
Lightning31.6Relatively Low at its worst in this ZIP code
Heat wave9.9Very Low at its worst in this ZIP code
Compared with Illinois and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIllinoisUnited States
Median household income$70,000$81,702$78,538
Income per person$37,213$45,104$43,289
Poverty rate18.5%11.7%12.4%
Median home value$250,500$303,400
Median gross rent$922$1,227$1,348
Homeownership78.8%66.8%65%
Bachelor's degree or higher12.7%37.2%35%
Unemployment rate2.1%5.8%5.2%
Works from home24.7%14%13.5%
Born outside the US0%14.4%13.9%
Median age39.638.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWALNUT, IL US15.5 km away
Rain in a year37 in
Snow in a year36 in

Average high and low by month

January29.3°F / 12.9°F1.52 in rain, 12.7 in snow
February33.9°F / 17°F1.73 in rain, 8.4 in snow
March46.9°F / 28°F2.22 in rain, 4.7 in snow
April60.5°F / 38.6°F3.35 in rain, 0.6 in snow
May71.7°F / 50.6°F4.63 in rain
June80.6°F / 60.3°F4.93 in rain
July83.3°F / 63.4°F3.94 in rain
August81.5°F / 61.1°F3.83 in rain
September76°F / 52.9°F3.4 in rain
October63.2°F / 41°F2.97 in rain, 0.2 in snow
November47.7°F / 29.7°F2.33 in rain, 2 in snow
December35°F / 19.1°F1.99 in rain, 7.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 6 school districts, so the address decides which one, not the ZIP code.

Amboy Community Unit School District 27239.6% of this ZIP code's land area
Bureau Valley Community Unit School District 34030.5% of this ZIP code's land area
Rock Falls Township High School District 30110.3% of this ZIP code's land area
Dixon Unit School District 1708.2% of this ZIP code's land area
East Coloma-Nelson Consolidated Elementary School District 205.9% of this ZIP code's land area
Montmorency Community Consolidated School District 1454.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability8more vulnerable than 8% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics14more vulnerable than 14% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport11more vulnerable than 11% of US census tracts
Walkability2.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

61071 Rock Falls, IL12.8 km away
61243 Deer Grove, IL12.9 km away
61324 Eldena, IL15.4 km away
61081 Sterling, IL16.5 km away
61376 Walnut, IL17.9 km away
61021 Dixon, IL18 km away
61310 Amboy, IL18.5 km away
61037 Galt, IL18.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lee County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area66.71 sq mi
Water area0.01 sq mi
Population density6 people per sq mi
Latitude, longitude41.6973, -89.5695

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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