Oglesby ZIP Code List — La Salle County, IL

There is one unique ZIP code in Oglesby, Illinois and it is 61348. Area code: 815/779.

ZIP codes

39.32

sq mi land

0.72

sq mi water

815/779

area code

Oglesby, IL ZIP code map

About Oglesby, IL

Oglesby, Illinois is a charming city located in La Salle County. Known for its rich history and community spirit, the city serves as a small yet vibrant hub in the region. With a blend of residential charm and local businesses, Oglesby provides a quaint atmosphere for its residents and visitors alike.

Location & geography

Situated in north-central Illinois, Oglesby is approximately 15 miles southwest of the larger city of Peru. The landscape features a combination of land and water, encompassing a total area of 39.32 square miles, with 0.72 square miles being water. The city's terrain offers picturesque views and easy access to nearby recreational areas.

Community & economy

Oglesby is known for its welcoming character and strong community ties, where residents often engage in local events and support one another. The economy traditionally focuses on industries such as manufacturing and retail, which provide jobs and services for the local population. Daily life in Oglesby reflects a small-town atmosphere enriched by outdoor activities and community festivals.

Transportation

Oglesby is conveniently located near major highways, including Interstate 39, which facilitates easy travel for residents and visitors. The nearest named airport is the Illinois Valley Regional Airport, located about 5 miles away in Peru. Public transit options are available, helping to connect residents to the surrounding areas.

History

Oglesby was founded in the early 1850s and has grown over the years as a center for industry and commerce. Key industries historically included coal mining and agriculture, which laid the foundation for its development. Notable events in the city's history include the establishment of local landmarks that commemorate its industrial past.

Did you know?

One surprising fact about Oglesby is that it is home to the renowned Matthiessen State Park, which offers stunning natural beauty and hiking opportunities. This state park is not only a local treasure but also attracts visitors from across the region for its scenic trails and waterfalls.

ZIP codes for Oglesby, IL (1)

ZIP code	City	County	Map
61348	Oglesby	La Salle	View map

Demographics & statistics

4,501

Population

41.0

Median age

$66,522

Median household income

$37,935

Per capita income

$130,500

Median home value

$595

Median monthly rent

79.3%

Home ownership

7.9%

Poverty rate

2.2%

Unemployment

1,837

Housing units

17.3%

Bachelor's or higher

Age distribution

Male Female

100

Under 5

197

5–9

178

171

10–14

156

116

15–19

106

104

20–24

326

25–34

296

227

35–44

206

297

45–54

270

204

55–59

186

129

60–64

117

262

65–74

237

150

75–84

137

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,008	22.4%
18 and over	3,493	77.6%
65 and over	931	20.7%
Median age	41.0 years

Race & ethnicity

White 83.3%

Hispanic or Latino 8%

Two or more races 6.9%

Other race 1.4%

Asian 0.2%

Black or African American 0.1%

Group	Count	%
White	4,079	83.3%
Hispanic or Latino	393	8%
Two or more races	339	6.9%
Other race	70	1.4%
Asian	8	0.2%
Black or African American	5	0.1%

Household income

Under $10k 5.1%

$10k–$15k 2.0%

$15k–$25k 5.3%

$25k–$35k 10.3%

$35k–$50k 12.7%

$50k–$75k 21.5%

$75k–$100k 13.9%

$100k–$150k 16.6%

$150k–$200k 7.6%

$200k+ 5.0%

Range	% of households
Under $10k	5.1%
$10k–$15k	2.0%
$15k–$25k	5.3%
$25k–$35k	10.3%
$35k–$50k	12.7%
$50k–$75k	21.5%
$75k–$100k	13.9%
$100k–$150k	16.6%
$150k–$200k	7.6%
$200k+	5.0%
Median income	$66,522

Housing

Home values

Under $50k 3.5%

$50k–$100k 25.0%

$100k–$150k 31.5%

$150k–$200k 17.8%

$200k–$300k 16.1%

$300k–$500k 5.0%

$500k–$1M 1.0%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$130,500
Median rent / month	$595
Owner occupied	79.3%
Renter occupied	20.7%
Vacant	10.8%
Single-family detached	77.0%
Large apartment buildings	0.0%
Mobile homes	1.6%
Median rooms	5.4
Avg household size (owned)	2.27

Year built

Era	%
2020 or later	0.4%
2010–2019	4.0%
2000–2009	7.8%
1990–1999	9.1%
1980–1989	2.1%
1970–1979	12.6%
1960–1969	9.2%
1950–1959	19.2%
1940–1949	10.8%
1939 or earlier	24.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	8.2%
2 bedrooms	37.3%
3 bedrooms	40.9%
4 bedrooms	11.1%
5+ bedrooms	1.2%

Vehicles per household

Vehicles	% of households
No vehicle	2.6%
1 vehicle	41.7%
2 vehicles	35.6%
3 or more	20.0%

Heating fuel

Fuel type	%
Utility gas	82.7%
Electricity	11.4%
Propane / LP gas	5.2%
Fuel oil	0.1%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	830	41.3%
Cohabiting couple	200	10.0%
Male householder, no spouse	445	22.1%
Female householder, no spouse	535	26.6%
Households with children under 18	549	27.3%
Households with seniors (65+)	693	34.5%
Average household size	2.24

Marital status

Status	Male	Female
Never married	35.1%	22.4%
Married	46.4%	49.1%
Separated	2.1%	1.0%
Widowed	2.9%	12.5%
Divorced	13.4%	15.0%

Education

Less than 9th grade 2.6%

Some HS, no diploma 4.9%

HS graduate 36.6%

Some college, no degree 19.9%

Associate's degree 18.7%

Bachelor's degree 11.1%

Graduate / professional 6.2%

Metric	%
HS diploma or higher	92.5%
Bachelor's or higher	17.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	78	7.4%
Kindergarten	89	8.5%
Elementary school	526	50.0%
High school	201	19.1%
College / grad school	158	15.0%

Employment

Industry of employment

Education & healthcare 21.8%

Manufacturing 18.4%

Retail trade 11.1%

Finance & real estate 8.1%

Public administration 7.8%

Transportation & utilities 7.3%

Professional & management 6.2%

Arts, food & hospitality 5.5%

Construction 5.4%

Other services 3.5%

Wholesale trade 2.5%

Information 1.9%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	33.4%
Service	20.5%
Sales & office	18.7%
Natural resources & construction	11.7%
Production & transportation	15.7%

Employment type

Type	%
Private sector	79.4%
Government	16.1%
Self-employed	4.2%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	86.5%
Carpool	6.9%
Public transit	0.2%
Walk	1.9%
Other means	0.3%
Avg commute (minutes)	23.5

Poverty

All people 7.9%

Under 18 years 9.1%

18 and over 7.6%

Married-couple families 1.9%

Female-led households 23.3%

Income support

Source	% of households
Social Security	36.9%
Retirement income	27.2%
Supplemental Security	6.0%
Cash public assistance	0.6%
Food stamps / SNAP	10.4%

Health indicators

Condition	%
High blood pressure	33.8%
High cholesterol	33.2%
Heart disease	7.2%
Stroke	3.3%
Asthma	9.6%
Arthritis	27.7%
Kidney disease	3.1%
Pulmonary disease	7.7%
Cancer	7.5%

Behavior / access	%
Binge drinking	15.3%
No physical activity	24.9%
Less than 7 hrs sleep	32.7%
Fair or poor health	14.6%
Poor mental health	12.8%
Poor physical health	10.3%
No health insurance	11.3%
Visited doctor (checkup)	76.2%
Visited dentist	64.4%
Cholesterol screening	89.7%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	232	6.6%

Disability	%
Any disability	15.6%
Under 18	11.5%
18–64 years	12.9%
65 and over	27.6%

Health insurance coverage

Type	%
Private insurance	78.2%
Public insurance	34.4%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,311	95.8%
Spanish	58	1.3%
Other Indo-European	50	1.2%
Asian & Pacific Islander	8	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,376	97.2%
Born in same state	4,366	97.0%
Born in different state	3,891	86.4%
Foreign born	10	0.2%
Naturalized citizen	125	2.8%
Not a US citizen	54	43.2%

Ancestry

Ancestry	Count	%
Italian	893	19.8%
French	316	7%
Arab	108	2.4%
Polish	55	1.2%

Ancestry	Count	%
Norwegian	44	1%
Irish	22	0.5%
English	22	0.5%
Dutch	8	0.2%

Technology access

Metric	% of households
Computer access	44.7%
Internet access	90.7%

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

Frequently asked questions

What is the ZIP code for Oglesby, IL?

Oglesby, IL has one ZIP code: 61348.

What is the main ZIP code for Oglesby, IL?

The primary ZIP code for Oglesby, IL is 61348. The city uses area code 815 or 779 for phone service.

What county is Oglesby, IL in?

Oglesby is located in La Salle County, Illinois.

How many ZIP codes are in Oglesby, IL?

Oglesby, IL has 1 ZIP code.

What ZIP code covers downtown Oglesby and the historic areas along the Illinois River?

Downtown Oglesby and its historic riverside areas are located in ZIP code 61348, which serves as the primary ZIP code for the city's central commercial and residential districts.

If I'm mailing something to a business in Oglesby near the Starved Rock area, what ZIP code should I use?

You should use ZIP code 61348 for any addresses in Oglesby, including those near the Starved Rock region, as this is the sole ZIP code serving the entire city.