Elgin is a city in Cook and Kane counties in the northern part of the U.S. state of Illinois. Elgin is located 35 mi northwest of Chicago, along the Fox River. As of the 2020 Census, the city had a population of 114,797; the sixth-largest city in Illinois.

What zip code is Elgin TX?

Zip Code 78621 Description

The official US Postal Service name for 78621 is ELGIN, Texas. Portions of zip code 78621 are contained within or border the city limits of Elgin, TX, . The area code for zip code 78621 is 512.

What county is South Elgin Illinois in?

South Elgin is a village in Kane County, Illinois, United States. The population was 21,985 at the 2010 census and estimated to be 24,755 in 2019.