Third Lake, Illinois
21 topographic sheets cover this place, the earliest surveyed in 1920 and the latest in 1993. It stands in Avon Township. It lies in ZIP code area 60030. The Survey maps it on the Grayslake quadrangle. 1,111 people lived here at the 2020 count.
Population over time
2 figuresThird Lake fell from 1,182 to 1,111 between 2010 and 2020. These are the recorded population figures Wikidata holds for this place, reached through the Geographic Names Information System number this page is keyed on rather than by name, so they belong to this place and not to another of the same name. Most are census counts, but not all are: an early figure may be a founding or settlement estimate, and an estimate published within five years of a census is left out. The change column is computed, and is left blank where more than 20 years separate a figure from the one before it, because a gap that long is not a change between two counts.
| Year | People | Change |
|---|---|---|
| 2010 | 1,182 | |
| 2020 | 1,111 | -71 (-6%) |
Topographic sheets covering this place
10 surveys from 21 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1920 USGS Grays Lake quadrangle1:62500, 3 printings
- 1923 USGS Grays Lake quadrangle1:62500, 4 printings
- 1954 USGS Rockford quadrangle1:250000
- 1955 USGS Rockford quadrangle1:250000
- 1958 USGS Rockford quadrangle1:250000, 4 printings
- 1960 USGS Grayslake quadrangle1:24000, 4 printings
- 1960 USGS Grayslake quadrangle1:62500
- 1963 USGS Rockford quadrangle1:250000
- 1981 USGS Elgin quadrangle1:100000
- 1993 USGS Grayslake quadrangle1:24000
In the county-history sources
2,165 words on this townshipThe Past and Present of Lake County, Illinois, published 1877 has no passage naming this settlement, which was common for smaller places. Its township is covered in full.
The chapter on Avon Township covers the township.
Read the chapter on Avon Township - 2,165 words.
Fires near this place
1 since 2017Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1 fire within 5 miles of Third Lake in 2017, burning about 1 acre in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 29 November 2017 | Missing data/not specified/undetermined | 1.0 acres | Illinois Division of Forestry Resources | 17-3909 |
Settlements close enough to share some of these fires:
Mines and quarries near this place
4 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Third Lake: 4 past producers. None of them still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Economy Pit | Sand and Gravel, Construction | Past Producer | ||
| Gurnee Pit | Sand and Gravel, Construction | Past Producer | ||
| Lake County Pit No. 2 | Sand and Gravel, Construction | Past Producer | ||
| Wadsworth Pit | Sand and Gravel, Construction | Past Producer |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Druce Lake | 0.5 miles | 21 | |
| Wedges Corner | 0.9 miles | 20 | |
| Idlewild | 1.7 miles | 19 | |
| Grandwood Park | 1.8 miles | 17 | |
| Gages Lake | 2.1 miles | 19 | |
| Wildwood | 2.3 miles | 19 | |
| Grayslake | 2.6 miles | 21 | |
| Grange Hall | 2.6 miles | 19 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikipedia article on Third Lake | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q2023715 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 419652. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.









