Jefferson, Iowa — 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 Jefferson, Greene County.
| City | Jefferson |
| State | Iowa (IA) |
| County | Greene |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 42.015261 |
| Longitude | -94.377468 |
| Population | 4,152 |
| Density | 267.2 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 50129 |
| Area Code | 515 |
| County Seat | Jefferson |
| School District | Greene County Community School District |
Jefferson is a locality in Greene County, Iowa, United States. It has a population of approximately 4,152. The population density is 267.2 people per km². Jefferson is located at 42.0153°N, 94.3775°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 50129.
Jefferson lies spread out under a vast Iowa sky, its buildings a scattering of low-slung forms against the broad, cultivated plains. It lies 37.7 miles north-west of Waukee, IA (from Waukee, IA: bearing 318°T), and is situated 7.1 miles west of Grand Junction. The land here rolls with a farmer's patience, a subtle undulation that guides the eye toward horizons often painted with the bruised purples and fiery oranges of a prairie sunset. Streets are laid out with a town planner's logic, but the true character of Jefferson is in the way the wind whispers through the cornfields that press in from all sides, carrying the faint, sweet scent of loam and growing things. The air, especially in the late afternoon, holds a certain clarity, a crispness that speaks of the changing seasons, and the quiet hum of cicadas can fill the long summer evenings with a sound that is as constant as the turning of the earth. This place was built on the back of agriculture, its economy still tethered to the bounty of the surrounding farmland, with corn and soybeans standing as the silent, stoic kings. The railroad once ran through here, a vital artery bringing goods and people, its ghost still felt in the layout of some streets and the occasional rusting track bed disappearing into the tall grass. Jefferson’s history is etched not in grand monuments, but in the weathered wood of barns and the quiet dignity of its main street, where businesses have weathered decades of change. The local library, a sturdy brick building, stands as a quiet sentinel of shared knowledge, and the town square, with its bandstand, still hosts summer concerts where families gather, a tradition that bridges the generations.
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This page provides an interactive Google map of Jefferson, Iowa 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 Jefferson and Greene County.
Detailed location data for Jefferson includes the ZIP code (50129), telephone area code (515), county seat of Greene County (Jefferson), and school district assignment (Greene County Community School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Jefferson is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |