List of Indiana state historical markers in Lake County
# List of Indiana state historical markers in Lake County

This is a list of the Indiana state historical markers in Lake County.

This is intended to be a complete list of the official state historical markers placed in Lake County, Indiana, United States by the Indiana Historical Bureau. The locations of the historical markers and their latitude and longitude coordinates are included below when available, along with their names, years of placement and topics as recorded by the Historical Bureau. There are eight historical markers located in Lake County.

## Historical markers

| Marker title | Year placed | Location | Topics |
| - | - | - | - |
| Dutch in the Calumet Region | 1992 | 8941 Kleinman Road in Highland 41°33′2″N 87°26′14″W﻿ / ﻿41.55056°N 87.43722°W﻿ / 41.55056; -87.43722﻿ (Dutch in the Calumet Region) | Immigration and Ethnic Groups, Agriculture |
| First Physician | 1949 | 2985 West 73rd Place in Merrillville 41°29′6″N 87°22′23″W﻿ / ﻿41.48500°N 87.37306°W﻿ / 41.48500; -87.37306﻿ (First Physician) | Science, Medicine, and Inventions, Underground Railroad, African American |
| Froebel School | 2014 | 15th Avenue and Madison Street in Gary 41°35′16.9″N 87°20′29.9″W﻿ / ﻿41.588028°N 87.341639°W﻿ / 41.588028; -87.341639﻿ (Forebel School) | Education |
| Great Sauk (Sac) Trail (east–west through this point) | 1966 | Along Van Buren Street at its junction with West 73rd Avenue/Old U.S. Route 30/Lincoln Highway on a traffic median east of Calumet Cemetery and west of Broadway (State Road 53) in Merrillville 41°29′9″N 87°20′46.2″W﻿ / ﻿41.48583°N 87.346167°W﻿ / 41.48583; -87.346167﻿ (Great Sauk (Sac) Trail (east–west through this point)) | Transportation, American Indian/Native American |
| The Lincoln Highway – The "Ideal Section" | 1996 | Northeastern corner of the junction of Joliet Street/U.S. Route 30 and Janice Drive in Schererville 41°29′27.6″N 87°28′52.5″W﻿ / ﻿41.491000°N 87.481250°W﻿ / 41.491000; -87.481250﻿ (The Lincoln Highway The "Ideal Section") | Transportation |
| St. John Township School, District #2 | 1995 | 1515 Joliet Street/Lincoln Highway/U.S. Route 30, east of St. John Road at the St. John Township Community Center in Schererville 41°29′27.6″N 87°29′17.4″W﻿ / ﻿41.491000°N 87.488167°W﻿ / 41.491000; -87.488167﻿ (St. John Township School, District #2) | Education |
| St. John's Lutheran Church Tolleston | 1976 | 2235 West 10th Avenue in Gary 41°35′34″N 87°21′57″W﻿ / ﻿41.59278°N 87.36583°W﻿ / 41.59278; -87.36583﻿ (St. John's Lutheran Church Tolleston) | Religion, Immigration and Ethnic Groups |
| Stewart Settlement House | 2014 | 1501 East Massachusetts Street in Gary 41°35′16.0″N 87°20′06.2″W﻿ / ﻿41.587778°N 87.335056°W﻿ / 41.587778; -87.335056﻿ (Stewart Settlement House) | African American |
