Lake County ZIP Codes

List of ZIP Codes in Lake County

The following table lists ZIP Codes associated with Lake County, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	60002	42.4674	-88.09419	Antioch	24,396	282.7
2	60015	42.17239	-87.87486	Deerfield	27,720	785.1
3	60020	42.39543	-88.17349	Fox Lake	10,846	889.0
4	60030	42.33536	-88.04519	Grayslake	35,579	513.3
5	60031	42.37494	-87.94119	Gurnee	37,208	755.4
6	60035	42.18358	-87.8106	Highland Park	30,236	921.7
7	60040	42.20652	-87.81274	Highwood	5,243	2644.5
8	60041	42.36939	-88.15309	Ingleside	8,920	360.5
9	60042	42.27913	-88.19777	Island Lake	8,630	729.7
10	60044	42.2842	-87.86392	Lake Bluff	10,289	585.4
11	60045	42.23807	-87.87006	Lake Forest	20,957	379.7
12	60046	42.41572	-88.06094	Lake Villa	34,708	583.8
13	60047	42.20202	-88.04522	Lake Zurich	44,100	488.3
14	60048	42.29494	-87.9466	Libertyville	28,945	393.5
15	60060	42.26945	-88.03997	Mundelein	37,146	617.5
16	60061	42.2334	-87.96046	Vernon Hills	27,883	1288.3
17	60064	42.3237	-87.86122	North Chicago	15,047	1098.7
18	60069	42.19588	-87.92439	Lincolnshire	8,728	568.3
19	60073	42.3516	-88.10597	Round Lake	62,000	1296.0
20	60075	42.49245	-87.91205	Russell	43	102.6
21	60083	42.43716	-87.94663	Wadsworth	9,655	141.2
22	60084	42.26807	-88.13856	Wauconda	17,267	474.7
23	60085	42.35498	-87.86467	Waukegan	72,763	1900.1
24	60087	42.40444	-87.85631	Waukegan	27,428	816.9
25	60088	42.30685	-87.85232	Great Lakes	14,269	2298.7
26	60089	42.16736	-87.96076	Buffalo Grove	42,781	1677.8
27	60096	42.48091	-87.82978	Winthrop Harbor	6,626	540.0
28	60099	42.46053	-87.86901	Zion	30,485	521.1

About Lake County ZIP Codes

Lake County in Illinois (IL) is served by approximately 28 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 699,898 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Lake County are located in cities such as Waukegan, Round Lake, Lake Zurich, Buffalo Grove, Gurnee. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Lake County, Illinois follow the America/Chicago time zone.

Lake County ZIP Codes

List of ZIP Codes in Lake County

About Lake County ZIP Codes

Illinois Counties ZIP Codes

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