Jefferson

Jefferson is a city in Iowa, United States. Public datasets list a population of roughly 4,152. Its coordinates of 42.018°, -94.379° place it in the temperate zone of the northern hemisphere. The latitude suggests four distinct seasons with warm summers and cold winters. The city extends across about 15.6 km². Open solar datasets indicate about 1,483 kWh/m² of solar irradiance per year, combined with sunshine for roughly 58% of daylight hours. That works out to roughly 266 residents per square kilometre — a moderate population density. Open-data panels below dive into population trends, climate normals, environmental indicators and nearby places.

Summary composed automatically from structured open data on this page. See our Terms for details.