61238 ZIP Code — Cambridge, IL

Henry County, Illinois

ZIP code 61238 is located in Cambridge, Illinois, within Henry County. It covers approximately 101.28 square miles and serves a population of 2,985 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61238

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $130,400. Owner-occupancy is high at 89%, well above the national average.

Median household income is $74,737. The poverty rate of 6% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61238 reflects a community defined by high homeownership and a significant Social Security-dependent population.

2,985

population

101.28

sq mi land

Standard

ZIP type

Central (CT)

timezone

61238 ZIP code map

Cities in ZIP code 61238

Below are the cities the US Postal Service accepts for ZIP code 61238. Using any city not on this list may result in mail delivery delays.

City	Status
Cambridge	Acceptable
Cambridge	Preferred

Nearby ZIP codes

61274 Osco (7.5 mi) 61490 Woodhull (8 mi) 61262 Lynn Center (9 mi) 61434 Galva (9.7 mi) 61235 Atkinson (10.9 mi) 61443 Kewanee (11.2 mi) 61254 Geneseo (12 mi) 61413 Alpha (12.1 mi) 61273 Orion (13.1 mi) 61414 Altona (13.1 mi) 61241 Colona (14.6 mi) 61234 Annawan (15.2 mi)

Demographics updated 05/2026

Population
Total population	2,985
Population density	29 / sq mi
State FIPS	17
County FIPS	073

Geography
Land area	101.28 sq mi
Water area	0.02 sq mi
Latitude	41.2889
Longitude	-90.1749
Timezone	Central (CT)
Area code	309

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.0%	43.0%	37.2%
$50k – $100k	37.0%	31.7%	29.6%
$100k – $200k	24.0%	21.2%	24.4%
Over $200k	2.1%	4.1%	8.8%

Demographics & statistics

2,985

Population

People per sq mi

40.9

Median age

$74,737

Median household income

$32,539

Per capita income

$130,400

Median home value

$931

Median monthly rent

89.3%

Home ownership

5.8%

Poverty rate

3.9%

Unemployment

1,105

Housing units

20.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

121

15–19

116

120

20–24

115

208

25–34

198

142

35–44

136

214

45–54

204

123

55–59

118

124

60–64

118

156

65–74

149

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	642	21.5%
18 and over	2,343	78.5%
65 and over	479	16.0%
Median age	40.9 years

Race & ethnicity

White 94.4%

Two or more races 2.4%

Black or African American 2.2%

Hispanic or Latino 0.6%

Asian 0.5%

Group	Count	%
White	2,835	94.4%
Two or more races	71	2.4%
Black or African American	65	2.2%
Hispanic or Latino	19	0.6%
Asian	14	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.0%	43.0%	37.2%
$50k – $100k	37.0%	31.7%	29.6%
$100k – $200k	24.0%	21.2%	24.4%
Over $200k	2.1%	4.1%	8.8%

Under $10k 3.1%

$10k–$15k 0.9%

$15k–$25k 7.3%

$25k–$35k 5.3%

$35k–$50k 13.1%

$50k–$75k 20.4%

$75k–$100k 17.4%

$100k–$150k 26.2%

$150k–$200k 4.1%

$200k+ 2.1%

Range	% of households
Under $10k	3.1%
$10k–$15k	0.9%
$15k–$25k	7.3%
$25k–$35k	5.3%
$35k–$50k	13.1%
$50k–$75k	20.4%
$75k–$100k	17.4%
$100k–$150k	26.2%
$150k–$200k	4.1%
$200k+	2.1%
Median income	$74,737

Housing

Home values

Under $50k 4.5%

$50k–$100k 21.8%

$100k–$150k 35.6%

$150k–$200k 17.1%

$200k–$300k 12.0%

$300k–$500k 4.4%

$500k–$1M 3.3%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$130,400
Median rent / month	$931
Owner occupied	89.3%
Renter occupied	10.7%
Vacant	6.8%
Single-family detached	93.5%
Large apartment buildings	0.3%
Mobile homes	0.7%
Median rooms	6.2
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.0%
2010–2019	1.7%
2000–2009	6.8%
1990–1999	3.9%
1980–1989	2.3%
1970–1979	11.2%
1960–1969	12.8%
1950–1959	14.8%
1940–1949	5.8%
1939 or earlier	40.7%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	5.7%
2 bedrooms	24.0%
3 bedrooms	50.4%
4 bedrooms	13.4%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	21.9%
2 vehicles	39.2%
3 or more	37.1%

Heating fuel

Fuel type	%
Utility gas	65.0%
Electricity	13.0%
Propane / LP gas	19.4%
Wood	2.5%

Households & families

Household type	Count	%
Married-couple family	676	59.1%
Cohabiting couple	48	4.2%
Male householder, no spouse	137	12.0%
Female householder, no spouse	283	24.7%
Households with children under 18	369	32.3%
Households with seniors (65+)	313	27.4%
Average household size	2.51

Marital status

Status	Male	Female
Never married	33.5%	24.0%
Married	55.0%	58.2%
Separated	0.8%	0.6%
Widowed	1.9%	11.9%
Divorced	8.8%	5.4%

Education

Less than 9th grade 1.0%

Some HS, no diploma 5.2%

HS graduate 36.0%

Some college, no degree 23.1%

Associate's degree 14.6%

Bachelor's degree 13.3%

Graduate / professional 6.8%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	20.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	28	4.7%
Kindergarten	46	7.8%
Elementary school	234	39.5%
High school	178	30.1%
College / grad school	106	17.9%

Employment

Industry of employment

Education & healthcare 17.4%

Retail trade 15.7%

Manufacturing 11.1%

Public administration 10.5%

Construction 8.0%

Transportation & utilities 6.3%

Professional & management 5.7%

Arts, food & hospitality 5.7%

Agriculture & mining 5.6%

Other services 4.7%

Information 4.1%

Finance & real estate 3.8%

Wholesale trade 1.5%

Occupation

Category	%
Management, business & arts	28.4%
Service	21.5%
Sales & office	24.9%
Natural resources & construction	11.5%
Production & transportation	13.8%

Employment type

Type	%
Private sector	67.6%
Government	25.5%
Self-employed	6.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.3%
Carpool	6.4%
Public transit	0.0%
Walk	3.1%
Work from home	4.4%
Other means	0.8%
Avg commute (minutes)	26.6

Poverty

All people 5.8%

Under 18 years 5.6%

18 and over 5.9%

Married-couple families 0.1%

Female-led households 24.0%

Income support

Source	% of households
Social Security	33.6%
Retirement income	29.5%
Supplemental Security	1.7%
Cash public assistance	0.6%
Food stamps / SNAP	9.7%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	33.1%
High cholesterol	33.5%
Diabetes	9.4%
Heart disease	6.3%
Stroke	2.9%
Asthma	9.6%
Arthritis	26.5%
Kidney disease	2.7%
Pulmonary disease	6.9%
Cancer	7.1%

Behavior / access	%
Smoking	17.9%
Binge drinking	16.5%
No physical activity	23.2%
Less than 7 hrs sleep	34.0%
Depression	17.7%
Fair or poor health	13.0%
Poor mental health	12.6%
Poor physical health	9.5%
No health insurance	10.1%
Visited doctor (checkup)	75.8%
Visited dentist	65.9%
Cholesterol screening	90.0%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	160	6.8%

Disability	%
Any disability	8.7%
Under 18	1.4%
18–64 years	9.0%
65 and over	17.5%

Health insurance coverage

Type	%
Private insurance	81.7%
Public insurance	31.1%
No insurance	3.6%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,831	94.8%
Spanish	10	0.4%
Other Indo-European	10	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,965	99.3%
Born in same state	2,965	99.3%
Born in different state	2,338	78.3%
Foreign born	0	0.0%
Naturalized citizen	20	0.7%
Not a US citizen	13	65.0%

Ancestry

Ancestry	Count	%
Italian	380	12.7%
Arab	362	12.1%
French	351	11.8%

Ancestry	Count	%
Polish	40	1.3%
English	30	1%
German	11	0.4%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61238

What city is ZIP code 61238 in?

ZIP code 61238 is primarily assigned to Cambridge, Illinois.

What county is ZIP code 61238 in?

ZIP code 61238 falls within Henry County, Illinois.

Is ZIP code 61238 mostly owner-occupied?

89% of occupied units in ZIP code 61238 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 61238?

The median home value in ZIP code 61238 is $130,400.

What is the population of ZIP code 61238?

ZIP code 61238 has an estimated population of 2,985 residents, with a density of 29 people per square mile.

What is the median household income in ZIP code 61238?

The median household income in ZIP code 61238 is $74,737, below the national median of ~$75,000.

What timezone is ZIP code 61238 in?

ZIP code 61238 observes the CST timezone.