Island Lake, IL · standard
ZIP Code 60042
McHenry County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 8,547
- 725/sq mi
- $99,917
- Median income
- $259,100
- Median home value
- 30.0%
- Bachelor's or higher
The verdict
Island Lake pairs an upper-quartile household income with above-median home values, in a low-density, homeowner-dominated area.
- Top 19%
- household income, US ZIPs
- Top 41%
- home value, US ZIPs
- 725
- people per sq mi
- 83%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 60042 against every reporting US ZIP.
ZIP code 60042 is a mid-sized community (a standard USPS delivery area) in Island Lake, McHenry County, Illinois, home to 8,547 residents across 11.8 square miles, a density of 725 people per square mile, in the Chicago time zone.
ZIP 60042 lands in the middle-income range, with a median household income of $99,917 (25% above the Illinois average), while per-capita income is $40,883. Poverty here runs at 7.7%, with unemployment measured at 6.6%. Median home value sits at $259,100 (35% above the state average), median rent at $1,852 a month, and owner-occupancy at 82.9%.
A solid share of residents have a four-year degree: 30.0% of adults hold a bachelor's degree or higher, the median age is 39.4, and the average commute is 32 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing McHenry County, letting you compare 60042 to its immediate surroundings rather than a national baseline alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 60042
Top 5 sectors by establishment count in Island Lake, IL
Which industries have the most business establishments in ZIP 60042.
- Construction
Construction
29 establishments
- Retail trade
Retail trade
23 establishments
- Other services (except public administration)
Other services (except public administration)
21 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
19 establishments
- Transportation and warehousing
Transportation and warehousing
16 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 60042, Island Lake, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
8,547
Population
11.8
Area (sq mi)
725
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 60042?
39.4
Median Age
47.6%
Male
52.4%
Female
12.2%
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?
$99,917
Median Household Income
+25% vs state
$40,883
Per Capita Income
7.7%
Poverty Rate
6.6%
Unemployment Rate
32.0 min
Mean Commute Time
How ZIP 60042 ranks nationally
Island Lake, IL household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$99,917 Top 19% higher than 81% 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?
3,270
Total Housing Units
3,088
Occupied Units
182
Vacant Units
2.68
Avg Household Size
Occupancy Type
$259,100
Median Home Value
+35% vs state
$1,852
Median Rent
1989
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
+5.1%
YoY Change (2024)
178
HPI Index (2000 = 100)
+78%
Total Change Since 2000
Home values in ZIP 60042 have increased 5.1% over the past year (2024). Since 2000, this ZIP has seen +78% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.9% | 121 |
| 2021 | +10.2% | 134 |
| 2022 | +12.1% | 150 |
| 2023 | +13.0% | 169 |
| 2024 | +5.1% | 178 |
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 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 164 business establishments in ZIP 60042, employing approximately 816 people with a combined annual payroll of $34,876,000.
164
Businesses
816
Employees
$34.9M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 29 | 17.7% |
| Retail trade | 23 | 14.0% |
| Other services (except public administration) | 21 | 12.8% |
| Administrative and support and waste management and remediation services | 19 | 11.6% |
| Transportation and warehousing | 16 | 9.8% |
| Accommodation and food services | 16 | 9.8% |
| Health care and social assistance | 13 | 7.9% |
| Professional, scientific, and technical services | 7 | 4.3% |
| Manufacturing | 5 | 3.0% |
| Wholesale trade | 4 | 2.4% |
| Real estate and rental and leasing | 4 | 2.4% |
| Finance and insurance | 3 | 1.8% |
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 60042 vs 60084 →
ZIP 60042 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 60073
Round Lake (60073)
60,002 residents
- 60010
Barrington (60010)
44,095 residents
- 60050
Mchenry (60050)
31,620 residents
- 60013
Cary (60013)
26,872 residents
- 60051
Mchenry (60051)
25,192 residents
- 60084 16,771
Wauconda (60084)
16,771 residents
- 60012 11,120
Crystal Lake (60012)
11,120 residents
- 60020 9,825
Fox Lake (60020)
9,825 residents
- 60041 9,250
Ingleside (60041)
9,250 residents
What this shows Among its immediate neighbors, ZIP 60042 ranks #0 by population - useful context the national average alone can't give.
ZIP 60042 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 60010
Barrington (60010)
$177,566 median income
- 60012
Crystal Lake (60012)
$159,375 median income
- 60013
Cary (60013)
$120,604 median income
- 60021
Fox River Grove (60021)
$119,176 median income
- 60084
Wauconda (60084)
$110,090 median income
- 60051
Mchenry (60051)
$100,762 median income
- 60042
Island Lake (60042)
$99,917 median income
- 60073
Round Lake (60073)
$98,514 median income
- 60041
Ingleside (60041)
$93,396 median income
What this shows By household income, ZIP 60042 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 60084 | Wauconda, IL | 16,771 | 3.0 mi |
| 60013 | Cary, IL | 26,872 | 4.5 mi |
| 60021 | Fox River Grove, IL | 5,545 | 5.9 mi |
| 60051 | Mchenry, IL | 25,192 | 5.4 mi |
| 60012 | Crystal Lake, IL | 11,120 | 5.9 mi |
| 60041 | Ingleside, IL | 9,250 | 6.5 mi |
| 60020 | Fox Lake, IL | 9,825 | 7.9 mi |
| 60050 | Mchenry, IL | 31,620 | 6.1 mi |
| 60073 | Round Lake, IL | 60,002 | 6.6 mi |
| 60010 | Barrington, IL | 44,095 | 9.0 mi |
More ZIP Codes in McHenry County
Related Areas
Frequently Asked Questions
What county is ZIP code 60042 in? ▼
What is the population of ZIP code 60042? ▼
What is the median household income in ZIP 60042? ▼
What is the average home value in ZIP 60042? ▼
What is the demographic makeup of ZIP 60042? ▼
How many businesses are in ZIP code 60042? ▼
What are the main industries in ZIP code 60042? ▼
How have home values changed in ZIP code 60042? ▼
What is the education level in ZIP code 60042? ▼
What is the average commute time in ZIP 60042? ▼
What percentage of residents own vs. rent in ZIP 60042? ▼
What is the poverty rate in ZIP code 60042? ▼
Read our methodology to see how this data is sourced, computed, and verified.