Postal Codes

61238 ZIP Code

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ZIP code 61238 covers Cambridge, Illinois, with a population of about 2,705 and a median household income of $75,294.

Population
2,70527 per square mile
Median age
40.72 points above the US average
Median household income
$75,2948% below the Illinois median
Poverty rate
9%3.4 points below the US average
Typical home value
$167,179up 18.3% in five years
Median rent
$1,04415% below the Illinois median
Degree or higher
19.4%15.6 points below the US average
Homeownership
89.8%24.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
57

Where 61238 is

Cambridge, 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

Population2,705
Median age40.7
Family households71.1%
Born outside the US0.9%
Speaks a language other than English at home1.4%
White (non-Hispanic)92.9%
Black (non-Hispanic)2%
Asian (non-Hispanic)0.7%
Hispanic or Latino0.4%
Veterans5.6%
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$75,294
Income per person$32,453
Poverty rate9%
Households on SNAP or cash assistance11.8%

Household income distribution

Under $10k2.4%
$10–15k2.9%
$15–20k3.1%
$20–25k4.1%
$25–30k2.2%
$30–35k3.2%
$35–40k1.9%
$40–45k6.9%
$45–50k3.5%
$50–60k5.5%
$60–75k14.0%
$75–100k19.7%
$100–125k11.0%
$125–150k11.0%
$150–200k6.6%
$200k or more1.9%

Income as declared to the IRS

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

Tax returns filed1,410
Mean adjusted gross income$71,191
Returns declaring $200,000 or more3.5%
Returns, under $25k26.2%
Returns, $25k–$50k21.3%
Returns, $50k–$75k16.3%
Returns, $75k–$100k13.5%
Returns, $100k–$200k19.1%
Returns, $200k or more3.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$129,700
Median gross rent$1,044
Owner-occupied89.8%
Vacant homes9.2%
Median year built1948

What the homes are

Detached house90.4%
2 to 4 units6.2%
5 to 19 units1.1%
20 or more units0.3%
Mobile home2%
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$167,179as of 2026-07
Typical home value, 1 yearup 2.6%
Typical home value, 5 yearsup 18.3%
Typical home value, 10 yearsup 45%
Typical home value since 2000
200920172026$167,179$104,831

$115,327 in 2009 to $167,179 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.7%
Bachelor's degree or higher19.4%
High school diploma or higher94.4%
Works from home7.8%
Drives to work alone80.4%
Takes public transport0%
Commutes 45 minutes or more17.2%
Health

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

Obesity36.3% 2.9 pts above the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure35.6% 1.5 pts above the national average of 34.1%
Fair or poor general health17.3% 3 pts below the national average of 20.3%
No health insurance (18–64)6.6% 4.7 pts below the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity22.2% 3.2 pts below the national average of 25.4%
Arthritis29.1% 4 pts above the national average of 25.1%
Binge drinking19.1% 3.1 pts above the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year78.2% 1.5 pts above the national average of 76.7%
Cholesterol screening88% 2.1 pts above the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening67.1% 2.8 pts above the national average of 64.3%
COPD7.5% 0.9 pts above the national average of 6.6%
Visited a dentist67.9% 6.6 pts above the national average of 61.3%
Any disability29.2% 1.5 pts below the national average of 30.7%
Lacks emotional support23.6% 1.2 pts below the national average of 24.8%
Food insecurity10.6% 6.5 pts below the national average of 17.1%
Received food stamps9.7% 4.6 pts below the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol37.7% 1.5 pts above the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport6% 3.2 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use71% 4.9 pts below the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability13.4% 0.6 pts below the national average of 14%
Poor physical health (14+ days)13.2% same as the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours34.2% 2.2 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost8.7% 4.3 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments57
People employed287
Annual payroll$13,979,000
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 66.7% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss75.7 out of 100
Community resilience76 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.

Strong wind99.4Very High at its worst in this ZIP code
Drought98Relatively High at its worst in this ZIP code
Hail87.6Relatively Moderate at its worst in this ZIP code
Landslide85.3Relatively Low at its worst in this ZIP code
Ice storm80.4Relatively Moderate at its worst in this ZIP code
Tornado75.5Relatively High at its worst in this ZIP code
Winter weather75.1Relatively Moderate at its worst in this ZIP code
Lightning71Relatively Moderate at its worst in this ZIP code
Cold wave70.3Relatively Moderate at its worst in this ZIP code
Heat wave65Relatively Moderate at its worst in this ZIP code
Earthquake54.1Relatively Low at its worst in this ZIP code
River flooding53.1Relatively Moderate at its worst in this ZIP code
Wildfire43.6Very Low at its worst in this ZIP code
Hurricane33.9Very 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$75,294$81,702$78,538
Income per person$32,453$45,104$43,289
Poverty rate9%11.7%12.4%
Median home value$129,700$250,500$303,400
Median gross rent$1,044$1,227$1,348
Homeownership89.8%66.8%65%
Bachelor's degree or higher19.4%37.2%35%
Unemployment rate4.7%5.8%5.2%
Works from home7.8%14%13.5%
Born outside the US0.9%14.4%13.9%
Median age40.738.938.7
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 stationGENESEO, IL US15.8 km away
Rain in a year39 in
Snow in a year28 in

Average high and low by month

January30.8°F / 14.6°F1.64 in rain, 9.8 in snow
February35.7°F / 18.6°F1.81 in rain, 6.1 in snow
March48.9°F / 29.3°F2.7 in rain, 2.8 in snow
April62.2°F / 39.9°F3.96 in rain, 0.7 in snow
May73.7°F / 51.6°F4.87 in rain
June82.8°F / 61.5°F4.42 in rain
July85.7°F / 65.1°F4.13 in rain
August83.4°F / 62.9°F4.1 in rain
September77.1°F / 54.5°F3.57 in rain
October64°F / 42.9°F3.21 in rain, 0.1 in snow
November48.8°F / 30.7°F2.56 in rain, 1.6 in snow
December35.9°F / 20.5°F2.12 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 3 school districts, so the address decides which one, not the ZIP code.

Cambridge Community Unit School District 22780.7% of this ZIP code's land area
Galva Community Unit School District 22414.9% of this ZIP code's land area
Geneseo Community Unit School District 2283% 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 status20more vulnerable than 20% of US census tracts
Household characteristics37more vulnerable than 37% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

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

61274 Osco, IL9.3 km away
61233 Andover, IL9.4 km away
61262 Lynn Center, IL12.8 km away
61419 Bishop Hill, IL13.7 km away
61490 Woodhull, IL16.5 km away
61254 Geneseo, IL17.5 km away
61235 Atkinson, IL17.6 km away
61273 Orion, IL18 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.

Henry County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area101.28 sq mi
Water area0.02 sq mi
Population density27 people per sq mi
Latitude, longitude41.3114, -90.1805

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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