Rock City ZIP Codes — Stephenson County, IL

There is one unique ZIP code in Rock City, Illinois and it is 61070. Area code: 815.
1
ZIP codes
32.37
sq mi land
0.00
sq mi water
815
area code
Rock City, IL ZIP code map

About Rock City, IL

Rock City is a charming village located in Stephenson County, Illinois. Known for its picturesque landscapes and close-knit community, Rock City offers residents and visitors a peaceful environment away from the hustle and bustle of urban areas. With a single ZIP code of 61070, this quaint location is a hidden gem for those exploring the Northern Illinois region.

Location & geography

Geographically, Rock City is situated in the northwestern part of Illinois and covers a land area of 32.37 square miles, with no significant water bodies within its limits. The village is conveniently located near other communities, including Freeport, approximately 10 miles to the south, and Durand, about 8 miles to the east. The surrounding terrain features the beautiful landscapes typical of rural Illinois, with rolling hills and farmland.

Community & economy

Rock City has a welcoming community character, where neighbors often engage with one another in daily activities and events. The local economy thrives on agriculture and small businesses, providing essential services and products to residents. Daily life is characterized by a slower pace, allowing families to enjoy outdoor activities and the natural beauty around them.

Transportation

Transportation in and out of Rock City is facilitated by several highways, with U.S. Route 20 serving as a primary route connecting the village to nearby towns. The closest major airport is Chicago Rockford International Airport, located about 30 miles to the southeast, which accommodates both passenger and cargo traffic. Public transit options may be limited, emphasizing the use of personal vehicles for commuting.

History

Rock City was founded in the early 20th century and has a rich agricultural heritage that has shaped its development over the years. Key industries in the area have traditionally revolved around farming and livestock, contributing to the local economy and culture. The village is known for its community events that celebrate local traditions, fostering a strong sense of identity and belonging among residents.

Did you know?

A surprising fact about Rock City is that it is home to the famous 'Rock City' rock formations, which are unique natural landmarks attracting visitors from surrounding areas. Additionally, the village is noted for its vibrant local festivals that celebrate the changing seasons, bringing together community members and visitors alike.

ZIP codes for Rock City, IL (1)
ZIP code City County Map
61070 Rock City Stephenson View map

Demographics & statistics

1,389
Population
52.7
Median age
$86,429
Median household income
$51,346
Per capita income
$177,400
Median home value
$1,156
Median monthly rent
94.0%
Home ownership
7.5%
Poverty rate
3.1%
Unemployment
586
Housing units
28.3%
Bachelor's or higher

Age distribution

Male Female
16
Under 5
17
39
5–9
45
46
10–14
51
29
15–19
33
26
20–24
30
52
25–34
59
51
35–44
57
80
45–54
90
42
55–59
47
81
60–64
91
118
65–74
134
29
75–84
32
44
85+
50
← Male
Female →

Age summary

GroupCount%
Under 1826018.7%
18 and over1,12981.3%
65 and over40729.3%
Median age52.7 years

Race & ethnicity

White 92.2%
Hispanic or Latino 3.2%
Other race 2.5%
Two or more races 1.7%
Asian 0.3%
GroupCount%
White1,32392.2%
Hispanic or Latino463.2%
Other race362.5%
Two or more races251.7%
Asian50.3%

Household income

Under $10k 0.4%
$10k–$15k 4.2%
$15k–$25k 3.4%
$25k–$35k 1.3%
$35k–$50k 14.7%
$50k–$75k 13.6%
$75k–$100k 24.7%
$100k–$150k 18.9%
$150k–$200k 3.8%
$200k+ 15.1%
Range% of households
Under $10k0.4%
$10k–$15k4.2%
$15k–$25k3.4%
$25k–$35k1.3%
$35k–$50k14.7%
$50k–$75k13.6%
$75k–$100k24.7%
$100k–$150k18.9%
$150k–$200k3.8%
$200k+15.1%
Median income$86,429

Housing

Home values

Under $50k 3.6%
$50k–$100k 11.6%
$100k–$150k 29.1%
$150k–$200k 11.2%
$200k–$300k 23.7%
$300k–$500k 19.1%
$500k–$1M 1.6%

Housing overview

MetricValue
Median home value$177,400
Median rent / month$1,156
Owner occupied94.0%
Renter occupied6.0%
Vacant14.2%
Single-family detached93.9%
Large apartment buildings1.8%
Mobile homes0.6%
Median rooms6.8
Avg household size (owned)2.64

Year built

Era%
2020 or later0.0%
2010–20191.1%
2000–20093.4%
1990–19996.8%
1980–19897.9%
1970–197918.4%
1960–19694.4%
1950–195911.0%
1940–19491.3%
1939 or earlier45.6%

Bedrooms

Size% of units
No bedroom (studio)1.9%
1 bedroom3.2%
2 bedrooms17.8%
3 bedrooms53.4%
4 bedrooms10.4%
5+ bedrooms13.3%

Vehicles per household

Vehicles% of households
No vehicle1.3%
1 vehicle27.4%
2 vehicles25.8%
3 or more45.5%

Heating fuel

Fuel type%
Utility gas37.2%
Electricity15.1%
Propane / LP gas44.9%
Wood1.3%
Solar0.4%

Households & families

Household typeCount%
Married-couple family30657.7%
Cohabiting couple101.9%
Male householder, no spouse6612.5%
Female householder, no spouse14827.9%
Households with children under 1815128.5%
Households with seniors (65+)24947.0%
Average household size2.62

Marital status

StatusMaleFemale
Never married24.7%10.7%
Married64.2%50.5%
Separated0.2%0.3%
Widowed0.6%23.6%
Divorced10.4%14.9%

Education

Less than 9th grade 0.2%
Some HS, no diploma 3.0%
HS graduate 22.8%
Some college, no degree 29.1%
Associate's degree 16.6%
Bachelor's degree 18.5%
Graduate / professional 9.7%
Metric%
HS diploma or higher96.8%
Bachelor's or higher28.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool216.3%
Kindergarten10.3%
Elementary school17151.2%
High school3410.2%
College / grad school10732.0%

Employment

Industry of employment

Education & healthcare 18.4%
Manufacturing 16.4%
Construction 15.6%
Transportation & utilities 13.2%
Other services 11.4%
Retail trade 9.6%
Finance & real estate 5.1%
Agriculture & mining 4.0%
Wholesale trade 1.6%
Information 1.6%
Professional & management 1.5%
Public administration 1.0%
Arts, food & hospitality 0.7%

Occupation

Category%
Management, business & arts28.8%
Service6.0%
Sales & office24.8%
Natural resources & construction22.6%
Production & transportation17.8%

Employment type

Type%
Private sector81.8%
Government4.5%
Self-employed13.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone79.6%
Carpool3.6%
Public transit0.0%
Walk1.2%
Other means0.0%
Avg commute (minutes)36.7

Poverty

All people 7.5%
Under 18 years 15.8%
18 and over 5.6%
Married-couple families 6.2%
Female-led households 5.7%

Income support

Source% of households
Social Security41.7%
Retirement income30.2%
Supplemental Security1.3%
Cash public assistance0.2%
Food stamps / SNAP6.2%

Health indicators

Condition%
High blood pressure32.4%
High cholesterol34.2%
Heart disease6.3%
Stroke2.8%
Asthma9.4%
Arthritis26.6%
Kidney disease2.7%
Pulmonary disease6.8%
Cancer7.1%
Behavior / access%
Binge drinking16.0%
No physical activity22.5%
Less than 7 hrs sleep31.4%
Fair or poor health12.7%
Poor mental health12.3%
Poor physical health9.4%
No health insurance9.2%
Visited doctor (checkup)76.7%
Visited dentist68.4%
Cholesterol screening90.8%
Teeth loss12.3%

Veterans & disability

VeteransCount%
Civilian veterans161.4%
Disability%
Any disability14.2%
Under 185.4%
18–64 years2.5%
65 and over40.5%

Health insurance coverage

Type%
Private insurance74.2%
Public insurance39.5%
Uninsured under 191.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,35697.6%
Spanish70.5%
Other Indo-European70.5%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,38499.6%
Born in same state1,38499.6%
Born in different state89864.7%
Foreign born00.0%
Naturalized citizen50.4%
Not a US citizen00.0%

Ancestry

AncestryCount%
French16411.8%
Italian15010.8%
Polish977%
AncestryCount%
Arab705%
English221.6%
Norwegian70.5%

Technology access

Metric% of households
Computer access38.2%
Internet access93.8%

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

Frequently asked questions
What ZIP codes does Rock City, IL have?
Rock City, IL has one ZIP code: 61070. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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