61048 ZIP Code — Lena, IL

Stephenson County, Illinois

ZIP code 61048 is located in Lena, Illinois, within Stephenson County. It covers approximately 81.78 square miles and serves a population of 3,851 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.

About ZIP code 61048

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 $158,300. Owner-occupancy is high at 84%, well above the national average.

Median household income is $73,313. The poverty rate of 5% is below the national average. 40% 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 28 minutes is near the national average.

Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61048 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,851

population

81.78

sq mi land

Standard

ZIP type

Central (CT)

timezone

61048 ZIP code map

Cities in ZIP code 61048

Below are the cities the US Postal Service accepts for ZIP code 61048. Using any city not on this list may result in mail delivery delays.

City	Status
Lena	Acceptable
Lena	Preferred

Nearby ZIP codes

61050 Mc Connell (4.9 mi) 61089 Winslow (5.2 mi) 61044 Kent (6.1 mi) 61062 Pearl City (9.4 mi) 61087 Warren (10.2 mi) 61032 Freeport (11 mi) 61085 Stockton (11.8 mi) 61060 Orangeville (11.9 mi) 53522 Browntown (12.7 mi) 53587 South Wayne (13.5 mi) 61018 Dakota (13.7 mi) 61001 Apple River (15.7 mi)

Demographics updated 05/2026

Population
Total population	3,851
Population density	47 / sq mi
State FIPS	17
County FIPS	177

Geography
Land area	81.78 sq mi
Water area	0.08 sq mi
Latitude	42.3933
Longitude	-89.8241
Timezone	Central (CT)
Area code	815

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.2%	48.9%	37.2%
$50k – $100k	36.5%	31.3%	29.6%
$100k – $200k	23.3%	17.0%	24.4%
Over $200k	1.9%	2.7%	8.8%

Demographics & statistics

3,851

Population

People per sq mi

46.6

Median age

$73,313

Median household income

$38,602

Per capita income

$158,300

Median home value

$613

Median monthly rent

84.4%

Home ownership

4.7%

Poverty rate

4.0%

Unemployment

1,515

Housing units

27.8%

Bachelor's or higher

Age distribution

Male Female

128

Under 5

117

124

5–9

114

128

10–14

117

139

15–19

127

20–24

235

25–34

214

182

35–44

166

237

45–54

216

108

55–59

180

60–64

165

207

65–74

189

241

75–84

220

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	954	24.8%
18 and over	2,897	75.2%
65 and over	1,003	26.0%
Median age	46.6 years

Race & ethnicity

White 95.9%

Black or African American 1.7%

Two or more races 1.5%

Hispanic or Latino 0.9%

Group	Count	%
White	3,725	95.9%
Black or African American	68	1.7%
Two or more races	58	1.5%
Hispanic or Latino	35	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.2%	48.9%	37.2%
$50k – $100k	36.5%	31.3%	29.6%
$100k – $200k	23.3%	17.0%	24.4%
Over $200k	1.9%	2.7%	8.8%

Under $10k 2.5%

$10k–$15k 4.6%

$15k–$25k 6.5%

$25k–$35k 5.1%

$35k–$50k 12.4%

$50k–$75k 19.7%

$75k–$100k 15.4%

$100k–$150k 22.9%

$150k–$200k 6.4%

$200k+ 4.5%

Range	% of households
Under $10k	2.5%
$10k–$15k	4.6%
$15k–$25k	6.5%
$25k–$35k	5.1%
$35k–$50k	12.4%
$50k–$75k	19.7%
$75k–$100k	15.4%
$100k–$150k	22.9%
$150k–$200k	6.4%
$200k+	4.5%
Median income	$73,313

Housing

Home values

Under $50k 5.8%

$50k–$100k 15.0%

$100k–$150k 24.5%

$150k–$200k 21.9%

$200k–$300k 25.1%

$300k–$500k 5.8%

$500k–$1M 1.3%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$158,300
Median rent / month	$613
Owner occupied	84.4%
Renter occupied	15.6%
Vacant	8.4%
Single-family detached	83.5%
Large apartment buildings	3.1%
Mobile homes	1.2%
Median rooms	6.2
Avg household size (owned)	2.52

Year built

Era	%
2020 or later	0.0%
2010–2019	1.5%
2000–2009	12.7%
1990–1999	9.8%
1980–1989	13.0%
1970–1979	10.0%
1960–1969	8.3%
1950–1959	8.3%
1940–1949	3.9%
1939 or earlier	32.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	7.6%
2 bedrooms	23.9%
3 bedrooms	54.2%
4 bedrooms	12.4%
5+ bedrooms	1.2%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	29.6%
2 vehicles	38.9%
3 or more	28.1%

Heating fuel

Fuel type	%
Utility gas	57.5%
Electricity	15.6%
Propane / LP gas	24.5%
Wood	2.5%

Households & families

Household type	Count	%
Married-couple family	1,024	63.2%
Cohabiting couple	57	3.5%
Male householder, no spouse	189	11.7%
Female householder, no spouse	349	21.6%
Households with children under 18	475	29.3%
Households with seniors (65+)	673	41.6%
Average household size	2.34

Marital status

Status	Male	Female
Never married	19.9%	14.1%
Married	68.9%	68.3%
Separated	2.8%	0.0%
Widowed	1.0%	12.2%
Divorced	7.4%	5.4%

Education

Less than 9th grade 2.9%

Some HS, no diploma 3.6%

HS graduate 30.9%

Some college, no degree 27.7%

Associate's degree 7.2%

Bachelor's degree 18.4%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	27.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	55	6.6%
Kindergarten	63	7.6%
Elementary school	355	42.7%
High school	262	31.5%
College / grad school	96	11.6%

Employment

Industry of employment

Education & healthcare 32.8%

Retail trade 12.9%

Manufacturing 11.5%

Transportation & utilities 8.6%

Construction 6.6%

Agriculture & mining 5.7%

Finance & real estate 5.3%

Other services 5.0%

Arts, food & hospitality 4.5%

Professional & management 3.6%

Wholesale trade 2.2%

Information 0.7%

Public administration 0.6%

Occupation

Category	%
Management, business & arts	39.7%
Service	13.6%
Sales & office	22.1%
Natural resources & construction	10.0%
Production & transportation	14.6%

Employment type

Type	%
Private sector	72.0%
Government	17.8%
Self-employed	9.3%
Unpaid family workers	0.9%

Commute

Method	%
Drive alone	81.6%
Carpool	8.4%
Public transit	0.0%
Walk	0.4%
Work from home	9.6%
Other means	0.0%
Avg commute (minutes)	28.1

Poverty

All people 4.7%

Under 18 years 3.8%

18 and over 5.0%

Married-couple families 1.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.8%
Retirement income	25.9%
Supplemental Security	3.2%
Cash public assistance	3.0%
Food stamps / SNAP	5.9%

Health indicators

Condition	%
Obesity	32.7%
High blood pressure	34.3%
High cholesterol	35.8%
Diabetes	10.1%
Heart disease	7.3%
Stroke	3.3%
Asthma	9.3%
Arthritis	28.9%
Kidney disease	3.1%
Pulmonary disease	7.3%
Cancer	8.3%

Behavior / access	%
Smoking	16.0%
Binge drinking	15.0%
No physical activity	23.5%
Less than 7 hrs sleep	30.3%
Depression	17.0%
Fair or poor health	13.3%
Poor mental health	11.9%
Poor physical health	9.7%
No health insurance	9.3%
Visited doctor (checkup)	78.0%
Visited dentist	68.6%
Cholesterol screening	91.1%
Teeth loss	12.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	161	5.6%

Disability	%
Any disability	12.0%
Under 18	6.8%
18–64 years	7.5%
65 and over	26.4%

Health insurance coverage

Type	%
Private insurance	78.4%
Public insurance	34.0%
No insurance	1.6%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,606	93.6%
Spanish	16	0.4%
Other Indo-European	6	0.2%
Asian & Pacific Islander	10	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,830	99.5%
Born in same state	3,823	99.3%
Born in different state	2,464	64.0%
Foreign born	7	0.2%
Naturalized citizen	21	0.5%
Not a US citizen	21	100.0%

Ancestry

Ancestry	Count	%
French	427	11.1%
Italian	340	8.8%
English	87	2.3%

Ancestry	Count	%
Arab	81	2.1%
Polish	66	1.7%
Dutch	7	0.2%

Technology access

Metric	% of households
Computer access	42.0%
Internet access	86.2%

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

Frequently asked questions about ZIP code 61048

What city is ZIP code 61048 in?

ZIP code 61048 is primarily assigned to Lena, Illinois.

What county is ZIP code 61048 in?

ZIP code 61048 falls within Stephenson County, Illinois.

Does ZIP code 61048 have an older population?

26% of residents in ZIP code 61048 are 65 or older, above the national average of ~17%.

Is ZIP code 61048 mostly owner-occupied?

84% of occupied units in ZIP code 61048 are owner-occupied, well above the national average.

Does ZIP code 61048 have a large retiree population?

40% of households in ZIP code 61048 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61048?

The median home value in ZIP code 61048 is $158,300.

What timezone is ZIP code 61048 in?

ZIP code 61048 observes the CST timezone.