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Lake Koshkonong Wisconsin Map

Lake Koshkonong, Wisconsin — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Lake Koshkonong, Jefferson County.

Interactive Map of Lake Koshkonong, Wisconsin

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CityLake Koshkonong
StateWisconsin (WI)
CountyJefferson
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude42.909727
Longitude-88.919553
Population1,010
Density26.9 /km²
IncorporatedN/A

About Lake Koshkonong, Wisconsin

Lake Koshkonong is a locality in Jefferson County, Wisconsin, United States. It has a population of approximately 1,010. The population density is 26.9 people per km². Lake Koshkonong is located at 42.9097°N, 88.9196°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 53538.

Lake Koshkonong is a broad, shallow expanse of water that breathes with the prairie wind, its surface often rippled like watered silk under a sky that can shift from brilliant azure to a bruised, tempestuous grey with startling speed. It lies 16.5 miles north-north-east of Janesville, WI (from Janesville, WI: bearing 18°T), and is situated 4.4 miles west-south-west of Fort Atkinson. The landscape surrounding Lake Koshkonong is a gentle unfolding of fertile farmland, a mosaic of cornfields and soybeans that stretch to the horizon, punctuated by groves of oak and maple. Along its shores, wild rice sways in the marshy shallows, a verdant fringe that harbors a bustling community of waterfowl, their calls a constant, wild chorus. The air here carries the clean scent of damp earth and growing things, especially potent after a summer rain, and in the fading light of dusk, the water reflects the deepening hues of the sky, transforming the lake into a mirror of molten gold and deepening violet. The history of Lake Koshkonong is deeply entwined with the agricultural bounty of the land, and for generations, its fertile soil has yielded abundant harvests, supporting a robust local economy built on farming and dairy. Indigenous peoples once knew this place as a rich source of sustenance, and their legacy whispers in the rustling reeds and the stories carried on the breeze. Today, the rhythm of life at Lake Koshkonong is still largely dictated by the seasons and the turning of the earth, though a growing appreciation for its natural beauty has brought new life to its shores. Small communities dot the landscape, their quiet streets lined with modest homes and businesses, their inhabitants drawing sustenance and a sense of place from the enduring presence of the lake and the surrounding countryside. The fishing boats that glide across the water in the early morning mist are a familiar sight, a testament to the enduring connection between the people and the gifts of Lake Koshkonong.

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About This Lake Koshkonong Map Page

This page provides an interactive Google map of Lake Koshkonong, Wisconsin with street, satellite and terrain views and integrated Street View imagery. 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 Lake Koshkonong and Jefferson County. Coordinates and population data are also included.

Location data for Lake Koshkonong is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity, not name matching alone — ensuring the correct Lake Koshkonong is identified even where the name is shared across multiple counties or states.

Page generatedJune 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone.