Data Last Updated: July 1, 2025

Lake County, IL ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Lake, IL.	40 ZIP Codes (29 General, 3 PO Box, 1 Unique, & 7 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Lake, IL. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	224, 312, 464, 630, 708, 815, 847
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Central
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Lake, IL from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	714,342 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	17097
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Chicago-Naperville-Elgin, IL-IN
Land Area: The approximate amount of land area covered by Lake, IL in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	444 square miles
Water Area: The approximate amount of water area covered by Lake, IL in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	925 square miles
Coordinates: The latitude/longitude centroid coordinates for Lake County, IL.	-88.003664, 42.323342
Quick Link: Copy the direct link to the Lake, ILCounty page and use anywhere you like!	https://www.zip-codes.com/county/il-lake.asp

Lake, IL ZIP Code Boundaries

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Lake County, IL Covers 40 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 60002	General	Antioch	24,086	3.37%
ZIP Code 60010	General	Barrington	46,365	6.49%
ZIP Code 60011	P.O. Box	Barrington	0	0.00%
ZIP Code 60013 *	General	Cary	26,144	--
ZIP Code 60015	General	Deerfield	28,013	3.92%
ZIP Code 60020	General	Fox Lake	10,967	1.54%
ZIP Code 60021 *	General	Fox River Grove	5,404	--
ZIP Code 60030	General	Grayslake	36,346	5.09%
ZIP Code 60031	General	Gurnee	37,650	5.27%
ZIP Code 60035	General	Highland Park	30,152	4.22%
ZIP Code 60037	General	Fort Sheridan	0	0.00%
ZIP Code 60040	General	Highwood	5,102	0.71%
ZIP Code 60041	General	Ingleside	9,140	1.28%
ZIP Code 60042	General	Island Lake	8,433	1.18%
ZIP Code 60044	General	Lake Bluff	10,244	1.43%
ZIP Code 60045	General	Lake Forest	21,026	2.94%
ZIP Code 60046	General	Lake Villa	34,690	4.86%
ZIP Code 60047	General	Lake Zurich	43,944	6.15%
ZIP Code 60048	General	Libertyville	29,353	4.11%
ZIP Code 60050 *	General	McHenry	31,854	--
ZIP Code 60051 *	General	McHenry	24,649	--
ZIP Code 60060	General	Mundelein	37,599	5.26%
ZIP Code 60061	General	Vernon Hills	27,581	3.86%
ZIP Code 60064	General	North Chicago	15,206	2.13%
ZIP Code 60069	General	Lincolnshire	8,735	1.22%
ZIP Code 60073	General	Round Lake	61,721	8.64%
ZIP Code 60074 *	General	Palatine	37,705	--
ZIP Code 60075	P.O. Box	Russell	40	0.01%
ZIP Code 60079	P.O. Box	Waukegan	0	0.00%
ZIP Code 60081 *	General	Spring Grove	9,396	--
ZIP Code 60083	General	Wadsworth	9,564	1.34%
ZIP Code 60084	General	Wauconda	17,029	2.38%
ZIP Code 60085	General	Waukegan	71,609	10.02%
ZIP Code 60086	Unique	North Chicago	0	0.00%
ZIP Code 60087	General	Waukegan	28,207	3.95%
ZIP Code 60088	General	Great Lakes	14,188	1.99%
ZIP Code 60089	General	Buffalo Grove	43,227	6.05%
ZIP Code 60090 *	General	Wheeling	39,017	--
ZIP Code 60096	General	Winthrop Harbor	6,760	0.95%
ZIP Code 60099	General	Zion	31,579	4.42%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Lake, IL, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Lake, IL Information

Lake County, IL Covers 40 ZIP Codes. This includes 29 General ZIP Codes, 3 PO Box ZIP Codes, and 1 Unique (reserved for Business and Volume Mail Receivers). There are also 7 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Lake County.

The population for Lake County is 714,342, according to the U.S. Census. Population Density is 1,608.88 persons per square mile. With 269,378 Housing Units, the Average Household Size is 2.74 persons. There are 253,386 Family Households with an Average Family Size of 2.87 persons. 6.23% of the population is without Health Insurance. The 64.43% Employment Rate is 4.63% above the national average of 59.8%.471,460 people aged 25+ have some educational achievement, with 46.95% (or 221,369 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 7 area codes serving this area including224, 312, 464, 630, 708, 815 and 847. Lake is also located in the Central timezone and the current local time is shown above.

Lake is part of the Chicago-Naperville-Elgin, IL-IN Core Based Statistical Area (CBSA). Its CBSA Code is 16980.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Lake, IL have 278,484 Residential mailboxes and 18,668 Business mailboxes.There are 21,419 businesses with a total of 329,040 employees. That is an average of 15.4 employees per business. Annual payroll for these businesses is $29,257,271,000. Other Demographics

Lake County Demographic Profile

Population & People

Total Population

714,342

Income

Median Household Income

$108,917

Housing

Total Housing Units

269,378

Health

Without Healthcare Coverage

6.23%

Business & Economy

Total Businesses

21,419

Families

Total Households

253,386

Employment

Employment Rate

64.43%

Education

Bachelor's Degree or Higher

46.95%

Total Population: Total number of people from the 2020 U.S. Census for Lake, IL. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	714,342
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Lake, IL. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	760,874
Total Households: Total number of Households from the 2020 U.S. Census for Lake, IL. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	253,386
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	269,378
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.74
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.87

Other Lake Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	278,484
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	18,668
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	327,889
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	209,851
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	43,124

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	21,419
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$8,489,619,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$29,257,271,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	329,040

Sum of all ZIP Codes assigned Lake, IL as their primary County.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov