Explore Third Lake, Illinois, with this interactive street and satellite map. You can “grab” the Third Lake, IL street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Third Lake |
| State | Illinois (IL) |
| County | Lake |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 42.37391 |
| Longitude | -88.010912 |
| Population | 1,137 |
| Density | 789.6 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 60030 |
| Area Code | 312, 773 |
| County Seat | Waukegan |
| School District | Grayslake Community High School District 127 |
Third Lake is a locality in Lake County, Illinois, United States. It has a population of approximately 1,137. The population density is 789.6 people per km². Third Lake is located at 42.3739°N, 88.0109°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 60030.
Third Lake, a quiet expanse of water, lies nestled amongst rolling terrain, a gentle ripple on the broad canvas of Lake County. It lies 4.0 miles east of Round Lake Beach, IL (from Round Lake Beach, IL: bearing 88°T), and is situated 8.5 miles west of Waukegan. The landscape here breathes a certain placidity, characterized by the soft hum of cicadas in summer and the crisp rustle of leaves in autumn, a testament to the shifting seasons. The shores of Third Lake are fringed with a mosaic of mature oaks and maples, their branches reaching skyward like ancient, gnarled fingers, casting dappled shadows upon the water's surface. Here and there, the land dips and rises with a subtle grace, hinting at the glacial forces that sculpted this region long ago, a quiet reminder of the earth's deep memory. The history of Third Lake is as much a narrative of the land as it is of the people who have called it home, their lives intertwined with the rhythms of agriculture and the burgeoning industries that followed. Once a vital part of the region's agricultural heartland, the fertile soil yielded bountiful harvests, a legacy still visible in the occasional weathered barn or the enduring pattern of fields that stretch towards the horizon. The development of the nearby transportation networks brought new waves of settlement, transforming the quiet hamlets into the vibrant, yet still unhurried, communities that surround Third Lake today. The lake itself, a tranquil mirror reflecting the ever-changing sky, remains a focal point, a place where the simple pleasures of nature continue to draw residents and visitors alike, a quiet testament to the enduring allure of this particular corner of Illinois.
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This page provides an embedded street and satellite map of Third Lake, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 42.37391, -88.010912. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Third Lake and Lake County.
Detailed location data for Third Lake includes the ZIP code (60030), telephone area code (312, 773), county seat of Lake County (Waukegan), and school district assignment (Grayslake Community High School District 127). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Third Lake is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |