Postal Codes

61070 ZIP Code

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ZIP code 61070 covers Rock City, Illinois, with a population of about 1,325 and a median household income of $83,542.

Population
1,32541 per square mile
Median age
52.413.7 points above the US average
Median household income
$83,542about the Illinois median
Poverty rate
5.9%6.5 points below the US average
Typical home value
$227,503up 49.2% in five years
Median rent
$84531% below the Illinois median
Degree or higher
28.7%6.3 points below the US average
Homeownership
89.6%24.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
18

Where 61070 is

Rock City, Illinois — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,325
Median age52.4
Family households75%
Born outside the US5.9%
Speaks a language other than English at home7.7%
White (non-Hispanic)90%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.8%
Hispanic or Latino6.5%
Veterans1.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$83,542
Income per person$44,387
Poverty rate5.9%
Households on SNAP or cash assistance8.3%

Household income distribution

Under $10k0.2%
$10–15k4.7%
$15–20k1.0%
$20–25k2.0%
$25–30k6.5%
$30–35k2.6%
$35–40k1.2%
$40–45k4.3%
$45–50k4.7%
$50–60k5.3%
$60–75k9.8%
$75–100k23.0%
$100–125k4.1%
$125–150k10.6%
$150–200k4.1%
$200k or more15.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed540
Mean adjusted gross income$76,893
Returns declaring $200,000 or more5.6%
Returns, under $25k24.1%
Returns, $25k–$50k20.4%
Returns, $50k–$75k13.0%
Returns, $75k–$100k13.0%
Returns, $100k–$200k24.1%
Returns, $200k or more5.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$173,000
Median gross rent$845
Owner-occupied89.6%
Vacant homes15.2%
Median year built1946

What the homes are

Detached house91.8%
2 to 4 units1.5%
5 to 19 units1.7%
20 or more units2.2%
Mobile home2.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$227,503as of 2026-07
Typical home value, 1 yearup 10.8%
Typical home value, 5 yearsup 49.2%
Typical home value since 2000
202120232026$227,503$152,434

$152,434 in 2021 to $227,503 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.8%
Bachelor's degree or higher28.7%
High school diploma or higher95.3%
Works from home16.8%
Drives to work alone79%
Takes public transport0%
Commutes 45 minutes or more21.5%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity38.7% 5.3 pts above the national average of 33.4%
Diagnosed diabetes11.1% 0.9 pts below the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure34.9% 0.8 pts above the national average of 34.1%
Fair or poor general health17.2% 3.1 pts below the national average of 20.3%
No health insurance (18–64)6.3% 5 pts below the national average of 11.3%
Depression23.4% 1.5 pts above the national average of 21.9%
No leisure-time physical activity22.1% 3.3 pts below the national average of 25.4%
Arthritis28.2% 3.1 pts above the national average of 25.1%
Binge drinking19.3% 3.3 pts above the national average of 16%
Taking blood pressure medication77% 2.3 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year78.4% 1.7 pts above the national average of 76.7%
Cholesterol screening88% 2.1 pts above the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening65.8% 1.5 pts above the national average of 64.3%
COPD7.2% 0.6 pts above the national average of 6.6%
Visited a dentist65% 3.7 pts above the national average of 61.3%
Any disability28.6% 2.1 pts below the national average of 30.7%
Lacks emotional support23.2% 1.6 pts below the national average of 24.8%
Food insecurity10.9% 6.2 pts below the national average of 17.1%
Received food stamps10.1% 4.2 pts below the national average of 14.3%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol37.1% 0.9 pts above the national average of 36.2%
Housing insecurity9.4% 4.4 pts below the national average of 13.8%
Independent living disability7.6% 0.8 pts below the national average of 8.4%
Lacks transport6.2% 3 pts below the national average of 9.2%
Loneliness32.8% 1.6 pts below the national average of 34.4%
Mammography use72% 3.9 pts below the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability13% 1 pts below the national average of 14%
Poor physical health (14+ days)13.1% same as the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours34.8% 1.6 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost9.7% 3.3 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments18
People employed81
Annual payroll$3,851,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 92.7% of US census tracts
FEMA ratingRelatively High
Expected annual loss86.3 out of 100
Community resilience57.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hail98.7Very High at its worst in this ZIP code
Strong wind98.3Very High at its worst in this ZIP code
Tornado97.9Very High at its worst in this ZIP code
Drought97.3Relatively Moderate at its worst in this ZIP code
Cold wave95.2Relatively High at its worst in this ZIP code
River flooding94.2Relatively High at its worst in this ZIP code
Ice storm90.7Relatively High at its worst in this ZIP code
Landslide86.8Relatively Low at its worst in this ZIP code
Lightning78.9Relatively High at its worst in this ZIP code
Heat wave75.3Relatively Moderate at its worst in this ZIP code
Winter weather73.7Relatively Moderate at its worst in this ZIP code
Earthquake65.7Relatively Low at its worst in this ZIP code
Wildfire64.1Very Low at its worst in this ZIP code
Hurricane32Very Low at its worst in this ZIP code
Compared with Illinois and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIllinoisUnited States
Median household income$83,542$81,702$78,538
Income per person$44,387$45,104$43,289
Poverty rate5.9%11.7%12.4%
Median home value$173,000$250,500$303,400
Median gross rent$845$1,227$1,348
Homeownership89.6%66.8%65%
Bachelor's degree or higher28.7%37.2%35%
Unemployment rate4.8%5.8%5.2%
Works from home16.8%14%13.5%
Born outside the US5.9%14.4%13.9%
Median age52.438.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationFREEPORT WASTE WTP, IL US16.4 km away
Rain in a year38 in
Snow in a year34 in

Average high and low by month

January27.9°F / 11.3°F1.58 in rain, 9.7 in snow
February32.6°F / 14.8°F1.65 in rain, 8.5 in snow
March44.9°F / 25.8°F2.15 in rain, 3.8 in snow
April58.2°F / 36.4°F3.66 in rain, 0.8 in snow
May69.9°F / 48.4°F4.36 in rain
June79.3°F / 58.6°F5.26 in rain
July82.4°F / 62.3°F4.21 in rain
August80.7°F / 59.9°F4.21 in rain
September74.3°F / 51°F4.11 in rain
October61.5°F / 39.3°F2.98 in rain, 0.2 in snow
November46°F / 28.2°F2.36 in rain, 2.6 in snow
December33.3°F / 17.9°F1.83 in rain, 8.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Dakota Community Unit School District 20180.9% of this ZIP code's land area
Orangeville Community Unit School District 20310.3% of this ZIP code's land area
Pecatonica Community Unit School District 3218.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability21more vulnerable than 21% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics77more vulnerable than 77% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport21more vulnerable than 21% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

61018 Dakota, IL5.9 km away
61019 Davis, IL6.7 km away
61067 Ridott, IL12.4 km away
61013 Cedarville, IL13.7 km away
61024 Durand, IL13.9 km away
61060 Orangeville, IL15.5 km away
61063 Pecatonica, IL15.8 km away
53550 Juda, WI17.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Stephenson County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area32.37 sq mi
Population density41 people per sq mi
Latitude, longitude42.4103, -89.4759

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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