Editing Koontz Lake, Indiana (section)

==Geography==
Koontz Lake is located in the northeast corner of Starke County.<ref name="GR1">{{cite web|url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|publisher=[[United States Census Bureau]]|access-date=2011-04-23|date=2011-02-12|title=US Gazetteer files: 2010, 2000, and 1990}}</ref> The east end of the lake and of the CDP are in western Marshall County. [[St. Joseph County, Indiana|St. Joseph County]] borders the CDP to the north. [[Indiana State Road 23]] passes through the community on the west side of the lake, leading north {{convert|4|mi|0}} to [[Walkerton, Indiana|Walkerton]], the post office for Koontz Lake addresses, and south the same distance to [[U.S. Route 30]] in [[Grovertown, Indiana|Grovertown]].

According to the [[United States Census Bureau]], the CDP has a total area of {{convert|4.0|sqmi|km2}}, of which {{convert|3.5|sqmi|km2}} are land and {{convert|0.5|sqmi|km2}}, or 12.90%, are water.<ref name="CenPopGazetteer2022"/> The outlet of the lake is at its west end, into Robbins Ditch, which flows west to the [[Kankakee River]], a tributary of the [[Illinois River]].