61008 ZIP Code — Belvidere, IL

Boone County, Illinois

ZIP code 61008 is located in Belvidere, Illinois, within Boone County. It covers approximately 84.32 square miles and serves a population of 34,227 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815/779.

About ZIP code 61008

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 $166,800. Owner-occupancy is high at 79%, well above the national average.

Median household income is $69,945. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61008 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

34,227

population

84.32

sq mi land

Standard

ZIP type

Central (CT)

timezone

61008 ZIP code map

Cities in ZIP code 61008

Below are the cities the US Postal Service accepts for ZIP code 61008. Using any city not on this list may result in mail delivery delays.

City	Status
Belvidere	Preferred

Nearby ZIP codes

61038 Garden Prairie (5 mi) 61112 Rockford (6.9 mi) 61016 Cherry Valley (7.1 mi) 61108 Rockford (8.3 mi) 61114 Rockford (8.8 mi) 61107 Rockford (9.2 mi) 61065 Poplar Grove (10 mi) 60145 Kingston (10.3 mi) 60146 Kirkland (10.8 mi) 61011 Caledonia (11.3 mi) 60152 Marengo (11.5 mi) 61012 Capron (11.8 mi)

Demographics updated 05/2026

Population
Total population	34,227
Population density	406 / sq mi
State FIPS	17
County FIPS	007

Geography
Land area	84.32 sq mi
Water area	0.60 sq mi
Latitude	42.2474
Longitude	-88.8365
Timezone	Central (CT)
Area code	815/779

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.6%	36.3%	37.2%
$50k – $100k	29.0%	31.4%	29.6%
$100k – $200k	22.1%	25.2%	24.4%
Over $200k	7.3%	7.0%	8.8%

Demographics & statistics

34,227

Population

406

People per sq mi

40.5

Median age

$69,945

Median household income

$35,094

Per capita income

$166,800

Median home value

$911

Median monthly rent

79.3%

Home ownership

11.5%

Poverty rate

6.0%

Unemployment

10,811

Housing units

19.1%

Bachelor's or higher

Age distribution

Male Female

775

Under 5

788

1,157

5–9

1,175

1,256

10–14

1,276

1,277

15–19

1,297

1,082

20–24

1,100

1,799

25–34

1,829

2,062

35–44

2,095

2,218

45–54

2,255

1,120

55–59

1,139

1,281

60–64

1,302

1,737

65–74

1,766

916

75–84

931

295

85+

299

← Male

Female →

Age summary

Group	Count	%
Under 18	7,946	23.2%
18 and over	26,281	76.8%
65 and over	5,944	17.4%
Median age	40.5 years

Race & ethnicity

White 64.6%

Hispanic or Latino 15.6%

Other race 10.9%

Two or more races 6.5%

Black or African American 1.2%

Asian 1.1%

American Indian / Alaska Native 0.2%

Group	Count	%
White	26,189	64.6%
Hispanic or Latino	6,325	15.6%
Other race	4,411	10.9%
Two or more races	2,618	6.5%
Black or African American	503	1.2%
Asian	443	1.1%
American Indian / Alaska Native	63	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.6%	36.3%	37.2%
$50k – $100k	29.0%	31.4%	29.6%
$100k – $200k	22.1%	25.2%	24.4%
Over $200k	7.3%	7.0%	8.8%

Under $10k 4.5%

$10k–$15k 3.7%

$15k–$25k 6.1%

$25k–$35k 8.7%

$35k–$50k 13.1%

$50k–$75k 15.4%

$75k–$100k 13.8%

$100k–$150k 18.9%

$150k–$200k 7.7%

$200k+ 8.1%

Range	% of households
Under $10k	4.5%
$10k–$15k	3.7%
$15k–$25k	6.1%
$25k–$35k	8.7%
$35k–$50k	13.1%
$50k–$75k	15.4%
$75k–$100k	13.8%
$100k–$150k	18.9%
$150k–$200k	7.7%
$200k+	8.1%
Median income	$69,945

Housing

Home values

Under $50k 6.6%

$50k–$100k 12.5%

$100k–$150k 22.8%

$150k–$200k 20.7%

$200k–$300k 20.9%

$300k–$500k 12.7%

$500k–$1M 3.0%

$1M+ 0.7%

Housing overview

Metric	Value
Median home value	$166,800
Median rent / month	$911
Owner occupied	79.3%
Renter occupied	20.7%
Vacant	5.1%
Single-family detached	73.8%
Large apartment buildings	2.7%
Mobile homes	7.3%
Median rooms	6.0
Avg household size (owned)	2.73

Year built

Era	%
2020 or later	0.2%
2010–2019	2.3%
2000–2009	17.9%
1990–1999	16.3%
1980–1989	6.5%
1970–1979	15.5%
1960–1969	10.2%
1950–1959	7.7%
1940–1949	3.5%
1939 or earlier	19.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	5.9%
2 bedrooms	24.4%
3 bedrooms	45.3%
4 bedrooms	19.4%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	30.0%
2 vehicles	37.5%
3 or more	27.1%

Heating fuel

Fuel type	%
Utility gas	84.3%
Electricity	11.5%
Propane / LP gas	3.4%
Wood	0.2%
Solar	0.2%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	6,126	48.0%
Cohabiting couple	1,227	9.6%
Male householder, no spouse	2,047	16.0%
Female householder, no spouse	3,356	26.3%
Households with children under 18	3,965	31.1%
Households with seniors (65+)	4,394	34.4%
Average household size	2.66

Marital status

Status	Male	Female
Never married	37.3%	29.9%
Married	49.1%	43.9%
Separated	1.2%	1.8%
Widowed	3.0%	10.3%
Divorced	9.4%	14.1%

Education

Less than 9th grade 9.3%

Some HS, no diploma 8.3%

HS graduate 33.8%

Some college, no degree 22.0%

Associate's degree 7.5%

Bachelor's degree 12.0%

Graduate / professional 7.1%

Metric	%
HS diploma or higher	82.4%
Bachelor's or higher	19.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	325	3.9%
Kindergarten	360	4.3%
Elementary school	3,538	42.1%
High school	2,274	27.1%
College / grad school	1,904	22.7%

Employment

Industry of employment

Manufacturing 24.6%

Education & healthcare 19.2%

Retail trade 11.3%

Professional & management 10.2%

Arts, food & hospitality 8.9%

Construction 8.1%

Other services 4.5%

Transportation & utilities 4.4%

Finance & real estate 2.7%

Wholesale trade 2.1%

Agriculture & mining 1.9%

Public administration 1.3%

Information 0.8%

Occupation

Category	%
Management, business & arts	27.1%
Service	20.8%
Sales & office	20.0%
Natural resources & construction	9.2%
Production & transportation	23.0%

Employment type

Type	%
Private sector	89.0%
Government	8.6%
Self-employed	2.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.7%
Carpool	14.4%
Public transit	0.2%
Walk	0.2%
Work from home	5.1%
Other means	1.4%
Avg commute (minutes)	24.5

Poverty

All people 11.5%

Under 18 years 16.0%

18 and over 10.3%

Married-couple families 4.0%

Female-led households 21.1%

Income support

Source	% of households
Social Security	33.6%
Retirement income	28.8%
Supplemental Security	6.1%
Cash public assistance	3.2%
Food stamps / SNAP	13.3%

Health indicators

Condition	%
Obesity	37.7%
High blood pressure	32.0%
High cholesterol	32.1%
Diabetes	10.3%
Heart disease	6.2%
Stroke	3.0%
Asthma	9.9%
Arthritis	25.3%
Kidney disease	2.9%
Pulmonary disease	7.3%
Cancer	6.2%

Behavior / access	%
Smoking	19.1%
Binge drinking	15.2%
No physical activity	27.6%
Less than 7 hrs sleep	32.5%
Depression	17.8%
Fair or poor health	16.2%
Poor mental health	13.5%
Poor physical health	10.6%
No health insurance	15.6%
Visited doctor (checkup)	75.6%
Visited dentist	60.6%
Cholesterol screening	88.2%
Teeth loss	16.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,666	6.3%

Disability	%
Any disability	14.3%
Under 18	4.1%
18–64 years	12.2%
65 and over	36.0%

Health insurance coverage

Type	%
Private insurance	67.1%
Public insurance	38.6%
No insurance	7.2%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	32,664	95.4%
Spanish	3,125	9.6%
Other Indo-European	2,976	9.1%
Asian & Pacific Islander	75	0.2%
Other languages	74	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,752	86.9%
Born in same state	29,612	86.5%
Born in different state	23,594	68.9%
Foreign born	140	0.4%
Naturalized citizen	4,475	13.1%
Not a US citizen	2,127	47.5%

Ancestry

Ancestry	Count	%
Italian	3,823	11.2%
French	2,120	6.2%
Polish	1,605	4.7%
Arab	652	1.9%

Ancestry	Count	%
English	157	0.5%
German	126	0.4%
Dutch	99	0.3%
Norwegian	31	0.1%

Technology access

Metric	% of households
Computer access	37.3%
Internet access	94.4%

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

Frequently asked questions about ZIP code 61008

What city is ZIP code 61008 in?

ZIP code 61008 is primarily assigned to Belvidere, Illinois.

What county is ZIP code 61008 in?

ZIP code 61008 falls within Boone County, Illinois.

What is the typical home value in ZIP code 61008?

The median home value in ZIP code 61008 is $166,800.

What is the population of ZIP code 61008?

ZIP code 61008 has an estimated population of 34,227 residents, with a density of 406 people per square mile.

What is the median household income in ZIP code 61008?

The median household income in ZIP code 61008 is $69,945, below the national median of ~$75,000.

What timezone is ZIP code 61008 in?

ZIP code 61008 observes the CST timezone.