60042 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Island Lake, IL

ZIP Code 60042: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Island Lake, IL 60042

  • ZIP Code Type: STANDARD
  • County: Lake County
  • Centroid: Latitude 42.276, Longitude -88.211
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 60042 has segments in 2 Counties (Lake, McHenry).

  • Businesses Addresses: 172
  • PO Box Addresses: 81
  • Residential Addresses: 3,352
    • Multi-Family Addresses: 0
    • Single Family Addresses: 3,352

The ZIP Code maps and database are updated 4 times per year.
Database updated: April 1, 2024, Maps updated: May 1, 2024.


Island Lake, IL 60042 Data & Demographics (As of July 1, 2023)


Total Population 8,032 (100%)
Population in Households 8,032 (100.0%)
Population in Families 6,699 (83.4%)
Population in Group Quarters1 0
Population Density 2,123
Diversity Index2 56


Median Household Income $85,586
Average Household Income $105,626
% of Income for Mortgage4 16%
Per Capita Income $41,556
Wealth Index5 92
Socioeconomic Status Index6 Moderate (54.5)


Total HU (Housing Units) 3,311 (100%)
Owner Occupied HU 2,627 (79.3%)
Renter Occupied HU 533 (16.1%)
Vacant Housing Units 151 ( 4.6%)
Median Home Value $223,181
Average Home Value $267,092
Housing Affordability Index3 121


Total Households 3,160
Average Household Size 2.54
Family Households 2,165
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population -0.21% -0.45%
Households -0.03% -0.08%
Families   -0.16%
Median Household Income   1.79%
Per Capita Income   2.81%
Owner Occupied HU   0.12%

Island Lake, IL 60042 - Peer Comparisons by Rank and Percentile

The table below compares 60042 to the other 1,378 ZIP Codes in Illinois by rank and percentile using July 1, 2023 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 402 71st
Population Density # 227 84th
Median Household Income # 277 80th
Housing Affordability Index # 433 31st
Per Capita Income # 365 74th
Diversity Index # 245 82nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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