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zipcodes.pro — CITY/IN/KOONTZ-LAKE

Koontz Lake ZIP codes, Indiana

No ZIP code is named for Koontz Lake, IN; addresses there use a neighbouring town's name. The ZIP code covering it is 46574. Its area code is 574.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,182
Area code
574
State
Indiana

NANPA lists no telephone rate centre for Koontz Lake itself, so these are the area codes of the nearest one, Walkerton (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Koontz Lake in numbers

About 1,182 people live in Koontz Lake, in 654 households. The median household income is $80,538 a year, 12% above the Indiana median of $71,957 (US: $80,734). The median owner-occupied home is valued at $143,200 (34% below the Indiana median), and median gross rent is $663 a month. The median age is 55.0; 19.2% of adults 25 and over hold a bachelor's degree or higher (29.5% across Indiana); the average commute takes 55 minutes.

Population1,182Koontz Lake1,182
Households654Koontz Lake654
Median age55.0Koontz Lake55.0Indiana38.1US 38.9
Median household income$80,538Koontz Lake$80,538Indiana$71,957US $80,734
Median home value$143,200Koontz Lake$143,200Indiana$218,200US $332,700
Median gross rent$663Koontz Lake$663Indiana$1,062US $1,413
Bachelor's degree or higher19.2%Koontz Lake19.2%Indiana29.5%US 35.7%
Mean commute54.6 minKoontz Lake54.6 minIndiana24.1 minUS 26.4 min
Population density335 / sq miKoontz Lake335 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Koontz Lake CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Koontz Lake

These ZIP codes cover part of Koontz Lake but are addressed as somewhere else.

ZIP codes overlapping Koontz Lake
ZIP City Type Population Median income Median home
46574 Walkerton , IN Standard 7,426 $76,181 $188,100

Map of Koontz Lake ZIP codes

46574

The ZIP codes of Koontz Lake, IN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Koontz Lake

The nearest larger towns are Walkerton (2,115 people, 3.7 mi), North Liberty (1,775 people, 8.7 mi) and Plymouth (10,664 people, 9.3 mi).

Towns near Koontz Lake
TownPopulationDistance
Plymouth 10,664 9.3 mi
Knox 3,479 11.2 mi
Bremen 4,642 17.1 mi
La Porte 22,449 18.1 mi
South Bend 103,085 21.2 mi
Notre Dame 6,890 23.4 mi
Westville 5,279 23.7 mi
Mishawaka 51,021 24.4 mi
Nappanee 6,815 25.0 mi
Osceola 2,593 27.1 mi
Rochester 6,215 28.3 mi
Granger 30,321 28.7 mi
Michigan City 31,814 28.7 mi
Buchanan, MI 4,223 29.3 mi

More nearby: every ZIP code in LaPorte County · Indiana ZIP codes

Cite this page

zipcodes.pro. “Koontz Lake, IN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/in/koontz-lake

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