US ZIP Code
61070

Rock City, IL

Stephenson County  ·  Illinois

● Active
👥 1,325 Population ↓ 4% since 2019
💰 $83,542 Median HH Income
▲ 9% above avg ↑ 58% since 2019
🎂 52.4 Median Age ↑ 27% since 2019
🏠 $173,000 Median Home Value
▼ 38% below avg ↑ 25% since 2019
🎓 45.5% College Grads
▲ 17% above avg
📊 4.8% Unemployment
≈ Avg ↑ 111% since 2019
ZIP Code Details
ZIP Code61070
CityRock City
StateIllinois (IL)
CountyStephenson County
Area Code779/815
Elevation921 ft
Latitude42.415681
Longitude-89.471727
TimezoneChicago (DST)
FIPS17177
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 46.8% (620) Female 53.2% (705) ♀

Race & Ethnicity

White: 90%Hispanic: 6.5%Asian: 0.8%Other: 2.6%Race
White90.0%
Hispanic6.5%
Asian0.8%
Other2.6%

Age Breakdown

Under 5
2%
5–17
17%
18–24
7%
25–44
18%
45–64
29%
65+
14%

Key Indicators

Median Age52.4 yrs ↑ 27% since 2019
Avg Household Size2.60
Below Poverty5.9% ▼ 41% below avg
College Grads45.5% ▲ 17% above avg
Unemployment4.8% ≈ Avg
HS Graduate200 (20.9%)
Some College114 (11.9%)
Associates207 (21.7%)
Bachelors153 (16%)
Graduate Degree281 (29.4%)

Education

HS Grad: 20.9%Some College: 11.9%Associates: 21.7%Bachelors: 16%Graduate: 29.4%Edu
HS Grad20.9%
Some College11.9%
Associates21.7%
Bachelors16.0%
Graduate29.4%
Housing & Income

Housing Tenure

Owner: 89.6%Renter: 10.4%Tenure
Owner89.6%
Renter10.4%

Home Value Distribution

Under $50k
2%
$50k–100k
17%
$100k–150k
27%
$150k–200k
9%
$200k–300k
29%
$300k–500k
16%
Over $500k
2%

Financials

Median HH Income$83,542 ▲ 9% above avg ↑ 58% since 2019
Median Home Value$173,000 ▼ 38% below avg ↑ 25% since 2019
Home/Income Ratio2.1x (nat avg ~3.5x)
Median Rent$845/mo ↑ 4% since 2019
Total Units600
Vacant Units91
Avg HH Size2.60

Income Distribution

Under $25k
8%
$25k–50k
18%
$50k–75k
15%
$75k–100k
23%
$100k–150k
15%
$150k–200k
4%
Over $200k
16%
Employment & Commute

How People Get to Work

Drove Alone
82%
Walked
1%
Work From Home
17%

Commute Time

Under 15 min
19%
15–30 min
32%
30–45 min
27%
Over 45 min
22%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
12%
1960s–1970s
13%
1980s–1990s
8%
2000+
66%

Summary

Total Units600
Vacant91
Owner Occupied89.6%
Renter Occupied10.4%
Avg HH Size2.60
Frequently Asked Questions
ZIP code 61070 is in Rock City, IL, in Stephenson County.
ZIP code 61070 is located in Illinois (IL).
ZIP code 61070 is in Stephenson County, IL.
ZIP 61070 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 61070 is 1,325 people (ACS 2023).
The median household income in ZIP code 61070 is $83,542 (ACS 2023).
The median home value in ZIP 61070 is $173,000 (ACS 2023).
About ZIP Code 61070

ZIP code 61070 is located in Rock City, Illinois, within Stephenson County. With a population of 1,325, this is a sparsely populated ZIP code with a mature community — the median age is 52.4 years. Economically, 61070 is a middle-income ZIP code: the median household income of $83,542 is near the national average.

Real estate in ZIP code 61070 represents an affordable housing market. The median home value of $173,000 is below the national average. Renters can expect to pay around $845 per month in median rent. Homeownership is strong here — 89.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 25% since 2019.

The population of 61070 is primarily White (90.04%). Residents are well-educated — 45.5% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 5.9%. Household income has grown by 58% since 2019.

The unemployment rate in 61070 stands at 4.8%, which is near the national average. About 17% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.

Overall, ZIP code 61070 in Rock City, IL is characterized as middle-income, well-educated, a mature community, and predominantly owner-occupied. With 1,325 residents, a median household income of $83,542, and a median home value of $173,000, it offers a clear picture of life in this part of Illinois.