Rock City, IL · standard
ZIP Code 61070
Stephenson County, Illinois — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,130
- 13/sq mi
- $84,167
- Median income
- $157,000
- Median home value
- 26.3%
- Bachelor's or higher
The verdict
Rock City pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 33%
- household income, US ZIPs
- 28th pct
- home value, US ZIPs
- 13
- people per sq mi
- 90%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61070 against every reporting US ZIP.
ZIP code 61070 is classified by USPS as a standard delivery area and covers roughly 89.7 square miles in Rock City, Stephenson County, Illinois. The area is home to 1,130 residents, producing a population density of 13 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 61070 against Illinois and the nation.
On the economic side, the median household income for ZIP 61070 sits at $84,167 (5% above the Illinois average), while per-capita income is $45,343. The poverty rate stands at 3.3% and the unemployment rate at 5.4%. On housing, the median home value is $157,000 (18% below the state average) with median rent at $642 per month, and 90.4% of occupied units are owner-occupied, a direct signal of whether 61070 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 26.3% of adults hold a bachelor's degree or higher, the median age is 52, and the average commute is 28 minutes. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Stephenson County, so you can benchmark 61070 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 61070
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 61070.
- Construction
Construction
5 establishments
- Transportation and warehousing
Transportation and warehousing
3 establishments
- Other services (except public administration)
Other services (except public administration)
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 61070, Rock City, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,130
Population
89.7
Area (sq mi)
13
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 61070?
52.0
Median Age
46.4%
Male
53.6%
Female
7.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$84,167
Median Household Income
+5% vs state
$45,343
Per Capita Income
3.3%
Poverty Rate
5.4%
Unemployment Rate
27.9 min
Mean Commute Time
How ZIP 61070 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$84,167 Top 33% higher than 67% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
588
Total Housing Units
488
Occupied Units
100
Vacant Units
2.71
Avg Household Size
Occupancy Type
$157,000
Median Home Value
-18% vs state
$642
Median Rent
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+29.7%
YoY Change (2022)
160
HPI Index (2000 = 100)
+60%
Total Change Since 2000
Home values in ZIP 61070 have increased 29.7% over the past year (2022). Since 2000, this ZIP has seen +60% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2018 | — | 112 |
| 2019 | +10.2% | 124 |
| 2020 | -2.7% | 120 |
| 2021 | +2.5% | 123 |
| 2022 | +29.7% | 160 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 19 business establishments in ZIP 61070, employing approximately 69 people with a combined annual payroll of $4,478,000.
19
Businesses
69
Employees
$4.5M
Annual Payroll
3
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 5 | 26.3% |
| Transportation and warehousing | 3 | 15.8% |
| Other services (except public administration) | 3 | 15.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 61070 vs 61018 →
ZIP 61070 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61063
Pecatonica (61063)
4,132 residents
- 61019
Davis (61019)
3,550 residents
- 61060 1,432
Orangeville (61060)
1,432 residents
- 53550 1,239
Juda (53550)
1,239 residents
- 61070 1,130
Rock City (61070)
1,130 residents
- 61018 1,080
Dakota (61018)
1,080 residents
- 61067 811
Ridott (61067)
811 residents
What this shows Among its immediate neighbors, ZIP 61070 ranks #5 by population — useful context the national average alone can't give.
ZIP 61070 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61019
Davis (61019)
$105,150 median income
- 61063
Pecatonica (61063)
$84,276 median income
- 61070
Rock City (61070)
$84,167 median income
- 61060
Orangeville (61060)
$76,726 median income
- 61018
Dakota (61018)
$76,471 median income
- 53550
Juda (53550)
$73,438 median income
- 61067
Ridott (61067)
$66,563 median income
What this shows By household income, ZIP 61070 ranks #3 of 7 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Stephenson County
Related Areas
Frequently Asked Questions
What county is ZIP code 61070 in? ▼
What is the population of ZIP code 61070? ▼
What is the median household income in ZIP 61070? ▼
What is the average home value in ZIP 61070? ▼
What is the demographic makeup of ZIP 61070? ▼
How many businesses are in ZIP code 61070? ▼
What are the main industries in ZIP code 61070? ▼
How have home values changed in ZIP code 61070? ▼
What is the education level in ZIP code 61070? ▼
What is the average commute time in ZIP 61070? ▼
What percentage of residents own vs. rent in ZIP 61070? ▼
What is the poverty rate in ZIP code 61070? ▼
ZIP Code Research Guides
Official Data Resources for Rock City, IL
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.