Postal Codes

60112 ZIP Code

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ZIP code 60112 covers Cortland, Illinois, with a population of about 4,611 and a median household income of $79,506.

Population
4,6111,262 per square mile
Median age
31.86.9 points below the US average
Median household income
$79,506about the Illinois median
Poverty rate
7.9%4.5 points below the US average
Typical home value
$305,099up 50.8% in five years
Median rent
$1,4201.2× the Illinois median
Degree or higher
31%4 points below the US average
Homeownership
77.5%12.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
61

Where 60112 is

Cortland, 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

Population4,611
Median age31.8
Family households69.2%
Born outside the US2.3%
Speaks a language other than English at home8.3%
White (non-Hispanic)71.7%
Black (non-Hispanic)9%
Asian (non-Hispanic)0%
Hispanic or Latino17.2%
Veterans3.9%
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$79,506
Income per person$35,768
Poverty rate7.9%
Households on SNAP or cash assistance16.3%

Household income distribution

Under $10k0.7%
$10–15k0.0%
$15–20k2.2%
$20–25k0.0%
$25–30k1.7%
$30–35k5.0%
$35–40k2.0%
$40–45k5.6%
$45–50k3.5%
$50–60k7.2%
$60–75k14.2%
$75–100k15.2%
$100–125k12.7%
$125–150k7.2%
$150–200k14.8%
$200k or more8.1%

Income as declared to the IRS

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

Tax returns filed2,320
Mean adjusted gross income$64,274
Returns declaring $200,000 or more1.7%
Returns, under $25k25.9%
Returns, $25k–$50k23.3%
Returns, $50k–$75k17.2%
Returns, $75k–$100k12.5%
Returns, $100k–$200k19.4%
Returns, $200k or more1.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$202,400
Median gross rent$1,420
Rent as a share of household income32.2%
Owner-occupied77.5%
Vacant homes4.7%
Median year built1995

What the homes are

Detached house66%
Attached house11.8%
2 to 4 units5%
5 to 19 units14.6%
Mobile home2.5%
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$305,099as of 2026-07
Typical home value, 1 yearup 6.6%
Typical home value, 5 yearsup 50.8%
Typical home value, 10 yearsup 105.9%
Typical home value since 2000
200920172026$305,099$112,565

$124,727 in 2009 to $305,099 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher31%
High school diploma or higher94.1%
Works from home6%
Drives to work alone82.7%
Takes public transport2.6%
Commutes 45 minutes or more21.8%
Health

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

Obesity35.9% 2.5 pts above the national average of 33.4%
Diagnosed diabetes8.8% 3.2 pts below the national average of 12%
Currently smokes13.2% same as the national average of 13.2%
High blood pressure27.6% 6.5 pts below the national average of 34.1%
Fair or poor general health16.3% 4 pts below the national average of 20.3%
No health insurance (18–64)9.3% 2 pts below the national average of 11.3%
Depression23% 1.1 pts above the national average of 21.9%
No leisure-time physical activity20.7% 4.7 pts below the national average of 25.4%
Arthritis20.2% 4.9 pts below the national average of 25.1%
Binge drinking21.8% 5.8 pts above the national average of 16%
Taking blood pressure medication68.6% 6.1 pts below the national average of 74.7%
Cancer (non-skin)5.9% 1.8 pts below the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease4% 2.2 pts below the national average of 6.2%
Routine check-up in past year74.3% 2.4 pts below the national average of 76.7%
Cholesterol screening85.1% 0.8 pts below the national average of 85.9%
Cognitive disability13.6% 1.2 pts below the national average of 14.8%
Colorectal screening59.9% 4.4 pts below the national average of 64.3%
COPD5.1% 1.5 pts below the national average of 6.6%
Visited a dentist65.8% 4.5 pts above the national average of 61.3%
Any disability25.5% 5.2 pts below the national average of 30.7%
Lacks emotional support25.5% 0.7 pts above the national average of 24.8%
Food insecurity14.5% 2.6 pts below the national average of 17.1%
Received food stamps12.9% 1.4 pts below the national average of 14.3%
Hearing disability4.7% 2 pts below the national average of 6.7%
High cholesterol31.3% 4.9 pts below the national average of 36.2%
Housing insecurity13% 0.8 pts below the national average of 13.8%
Independent living disability7.1% 1.3 pts below the national average of 8.4%
Lacks transport7.7% 1.5 pts below the national average of 9.2%
Loneliness33.6% 0.8 pts below the national average of 34.4%
Mammography use75.4% 0.5 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability9.6% 4.4 pts below the national average of 14%
Poor physical health (14+ days)11.4% 2.1 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat7.8% 1 pts below the national average of 8.8%
Sleeps under 7 hours35.3% 1.1 pts below the national average of 36.4%
Stroke2.3% 1.1 pts below the national average of 3.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Vision disability3.9% 1.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments61
People employed986
Annual payroll$101,126,000
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 44.9% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss62.8 out of 100
Community resilience66.6 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.

Cold wave92.4Very High at its worst in this ZIP code
Drought90.1Relatively Low at its worst in this ZIP code
Strong wind75.7Relatively High at its worst in this ZIP code
Tornado73.9Very High at its worst in this ZIP code
Landslide57.9Very Low at its worst in this ZIP code
Earthquake52.5Relatively Low at its worst in this ZIP code
River flooding44.4Relatively High at its worst in this ZIP code
Ice storm43Relatively Moderate at its worst in this ZIP code
Hail42.8Relatively Low at its worst in this ZIP code
Lightning41.1Relatively Moderate at its worst in this ZIP code
Winter weather35.9Relatively Moderate at its worst in this ZIP code
Wildfire33.4Very Low at its worst in this ZIP code
Heat wave30.4Relatively Moderate at its worst in this ZIP code
Hurricane24.2Very 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$79,506$81,702$78,538
Income per person$35,768$45,104$43,289
Poverty rate7.9%11.7%12.4%
Median home value$202,400$250,500$303,400
Median gross rent$1,420$1,227$1,348
Homeownership77.5%66.8%65%
Bachelor's degree or higher31%37.2%35%
Unemployment rate6%5.8%5.2%
Works from home6%14%13.5%
Born outside the US2.3%14.4%13.9%
Median age31.838.938.7
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 stationDE KALB, IL US7.4 km away
Rain in a year37 in
Snow in a year33 in

Average high and low by month

January28.1°F / 13.1°F1.69 in rain, 10.2 in snow
February32.5°F / 16.6°F1.71 in rain, 8.7 in snow
March45°F / 26.8°F2.24 in rain, 4.4 in snow
April58.6°F / 37.3°F3.56 in rain, 1.3 in snow
May70.2°F / 49.2°F4.79 in rain
June79.9°F / 59.5°F4.57 in rain
July83.1°F / 63.3°F4 in rain
August81.2°F / 61.3°F4.06 in rain
September74.9°F / 53.2°F3.32 in rain
October62°F / 41°F2.96 in rain, 0.1 in snow
November46.3°F / 29.6°F2.31 in rain, 1.8 in snow
December33.6°F / 19.1°F2.04 in rain, 6.6 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 supermarket14% of this ZIP code's area
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 2 school districts, so the address decides which one, not the ZIP code.

DeKalb Community Unit School District 42879.3% of this ZIP code's land area
Sycamore Community Unit School District 42720.7% 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 vulnerability20more vulnerable than 20% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics18more vulnerable than 18% of US census tracts
Racial and ethnic minority status42more vulnerable than 42% of US census tracts
Housing type and transport24more vulnerable than 24% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

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

60115 Dekalb, IL5.9 km away
60151 Maple Park, IL7.4 km away
60178 Sycamore, IL7.9 km away
60150 Malta, IL14.9 km away
60111 Clare, IL15.3 km away
60144 Kaneville, IL16.7 km away
60520 Hinckley, IL17.2 km away
60109 Burlington, 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.

DeKalb County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area3.66 sq mi
Population density1,262 people per sq mi
Latitude, longitude41.9200, -88.6887

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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