Lanark ZIP Codes — Carroll County, IL

There is one unique ZIP code in Lanark, Illinois and it is 61046. Area code: 815/779.

ZIP codes

83.99

sq mi land

0.66

sq mi water

815/779

area code

Lanark, IL ZIP code map

About Lanark, IL

Lanark is a charming city located in Carroll County, Illinois. It offers a tight-knit community atmosphere with a rich history and a variety of local amenities. The city embodies the spirit of rural Illinois, making it an inviting place for both visitors and residents alike.

Location & geography

Lanark is situated in the northwestern part of Illinois, approximately 30 miles southwest of Rockford and about 20 miles northeast of Freeport. The total land area covers 83.99 square miles, with a small water area of 0.66 square miles, contributing to its picturesque landscapes. The terrain is primarily rural, characterized by open fields and serene farmlands.

Community & economy

The character of Lanark is defined by its friendly residents and active community events. Local industries include agriculture, manufacturing, and small businesses that provide essential services to the area. Daily life in Lanark often revolves around community gatherings, local festivals, and enjoying the beautiful outdoors.

Transportation

Lanark is accessible via Illinois Route 64, which provides a direct connection to surrounding areas. The nearest major airport is Chicago Rockford International Airport, located approximately 30 miles to the northeast. Public transit options are limited, as the city primarily relies on personal vehicles for transportation.

History

Founded in the mid-1800s, Lanark has a rich history rooted in agriculture and small-town development. Over the years, the city has seen growth in its manufacturing sector along with the agricultural base, which remains essential to its economy. Notable events in the city’s history include local fairs and festivals that celebrate its heritage.

Did you know?

A little-known fact about Lanark is that it takes its name from Lanark, Scotland, reflecting the heritage of many of its early settlers. Additionally, the city is home to several historical landmarks that showcase its rich past.

ZIP codes for Lanark, IL (1)

ZIP code	City	County	Map
61046	Lanark	Carroll	View map

Demographics & statistics

2,659

Population

49.6

Median age

$89,100

Median household income

$43,136

Per capita income

$137,500

Median home value

$806

Median monthly rent

87.1%

Home ownership

9.0%

Poverty rate

4.6%

Unemployment

1,816

Housing units

24.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

100

5–9

10–14

15–19

124

20–24

108

25–34

154

35–44

135

129

45–54

112

108

55–59

117

60–64

103

269

65–74

234

124

75–84

109

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	480	18.1%
18 and over	2,179	81.9%
65 and over	804	30.2%
Median age	49.6 years

Race & ethnicity

White 94.2%

Black or African American 1.7%

Two or more races 1.7%

Hispanic or Latino 1.2%

Asian 0.9%

Other race 0.2%

Group	Count	%
White	2,536	94.2%
Black or African American	47	1.7%
Two or more races	47	1.7%
Hispanic or Latino	33	1.2%
Asian	24	0.9%
Other race	5	0.2%

Household income

Under $10k 4.6%

$10k–$15k 1.2%

$15k–$25k 6.8%

$25k–$35k 6.7%

$35k–$50k 15.1%

$50k–$75k 8.6%

$75k–$100k 15.1%

$100k–$150k 23.9%

$150k–$200k 9.5%

$200k+ 8.5%

Range	% of households
Under $10k	4.6%
$10k–$15k	1.2%
$15k–$25k	6.8%
$25k–$35k	6.7%
$35k–$50k	15.1%
$50k–$75k	8.6%
$75k–$100k	15.1%
$100k–$150k	23.9%
$150k–$200k	9.5%
$200k+	8.5%
Median income	$89,100

Housing

Home values

Under $50k 6.3%

$50k–$100k 29.1%

$100k–$150k 17.5%

$150k–$200k 9.8%

$200k–$300k 18.4%

$300k–$500k 13.2%

$500k–$1M 4.6%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$137,500
Median rent / month	$806
Owner occupied	87.1%
Renter occupied	12.9%
Vacant	41.4%
Single-family detached	94.0%
Large apartment buildings	0.3%
Mobile homes	1.2%
Median rooms	6.8
Avg household size (owned)	2.27

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	20.8%
1990–1999	16.9%
1980–1989	14.4%
1970–1979	6.4%
1960–1969	3.3%
1950–1959	5.5%
1940–1949	5.4%
1939 or earlier	23.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.4%
2 bedrooms	22.8%
3 bedrooms	39.8%
4 bedrooms	30.1%
5+ bedrooms	3.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	26.2%
2 vehicles	48.0%
3 or more	23.4%

Heating fuel

Fuel type	%
Utility gas	64.8%
Electricity	13.9%
Propane / LP gas	20.0%
Wood	1.4%

Households & families

Household type	Count	%
Married-couple family	726	63.0%
Cohabiting couple	69	6.0%
Male householder, no spouse	173	15.0%
Female householder, no spouse	184	16.0%
Households with children under 18	299	26.0%
Households with seniors (65+)	518	45.0%
Average household size	2.30

Marital status

Status	Male	Female
Never married	31.4%	17.3%
Married	59.9%	69.9%
Separated	0.5%	0.0%
Widowed	3.0%	7.7%
Divorced	5.2%	5.0%

Education

Less than 9th grade 1.1%

Some HS, no diploma 2.9%

HS graduate 33.1%

Some college, no degree 25.5%

Associate's degree 13.2%

Bachelor's degree 15.3%

Graduate / professional 8.9%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	24.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	25	5.2%
Kindergarten	10	2.1%
Elementary school	253	52.8%
High school	55	11.5%
College / grad school	136	28.4%

Employment

Industry of employment

Manufacturing 25.7%

Education & healthcare 22.2%

Arts, food & hospitality 7.7%

Retail trade 7.1%

Agriculture & mining 6.0%

Construction 5.4%

Other services 5.1%

Professional & management 4.7%

Finance & real estate 4.5%

Information 3.4%

Transportation & utilities 3.3%

Public administration 3.0%

Wholesale trade 1.9%

Occupation

Category	%
Management, business & arts	36.8%
Service	18.1%
Sales & office	14.9%
Natural resources & construction	8.6%
Production & transportation	21.5%

Employment type

Type	%
Private sector	75.7%
Government	11.7%
Self-employed	12.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.8%
Carpool	4.8%
Public transit	0.6%
Walk	7.0%
Other means	1.1%
Avg commute (minutes)	25.0

Poverty

All people 9.0%

Under 18 years 13.7%

18 and over 7.9%

Married-couple families 1.2%

Female-led households 43.2%

Income support

Source	% of households
Social Security	42.5%
Retirement income	35.1%
Supplemental Security	4.8%
Cash public assistance	2.4%
Food stamps / SNAP	13.2%

Health indicators

Condition	%
High blood pressure	38.2%
High cholesterol	37.1%
Heart disease	8.3%
Stroke	3.7%
Asthma	9.5%
Arthritis	31.6%
Kidney disease	3.4%
Pulmonary disease	8.6%
Cancer	8.8%

Behavior / access	%
Binge drinking	13.6%
No physical activity	25.7%
Less than 7 hrs sleep	31.8%
Fair or poor health	15.0%
Poor mental health	11.9%
Poor physical health	10.8%
No health insurance	9.5%
Visited doctor (checkup)	79.0%
Visited dentist	65.7%
Cholesterol screening	92.1%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	211	9.8%

Disability	%
Any disability	14.5%
Under 18	3.1%
18–64 years	8.8%
65 and over	31.0%

Health insurance coverage

Type	%
Private insurance	71.0%
Public insurance	45.4%
Uninsured under 19	3.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,540	95.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,630	98.9%
Born in same state	2,597	97.7%
Born in different state	2,091	78.6%
Foreign born	33	1.2%
Naturalized citizen	29	1.1%
Not a US citizen	29	100.0%

Ancestry

Ancestry	Count	%
Italian	251	9.4%
French	250	9.4%
Arab	210	7.9%
English	77	2.9%

Ancestry	Count	%
Polish	38	1.4%
Dutch	24	0.9%
Irish	10	0.4%

Technology access

Metric	% of households
Computer access	43.3%
Internet access	93.1%

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

Frequently asked questions

What ZIP codes does Lanark, IL have?

Lanark, IL has one ZIP code: 61046. Each ZIP code serves a distinct delivery area within the city and surrounding region.