Lake County ZIP Codes

List of ZIP Codes in Lake County

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


S.N. Zip Code Latitude Longitude City Population Density
1 49304 43.91027 -85.87417 Baldwin 4,680 15.9
2 49402 43.94228 -86.03284 Branch 1,455 4.0
3 49623 43.90367 -85.68285 Chase 1,030 5.8
4 49642 43.87927 -85.77059 Idlewild 1,062 26.9
5 49644 44.10787 -85.91989 Irons 1,846 6.4
6 49656 44.05248 -85.69789 Luther 2,111 6.9


About Lake County ZIP Codes

Lake County in Michigan (MI) is served by approximately 6 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 12,184 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 Baldwin, Luther, Irons, Branch, Idlewild. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Lake County, Michigan follow the America/Detroit time zone.