Jefferson Greene County, Iowa

Jefferson: City in Greene County, Iowa

Jefferson locator map
Location of Jefferson on Iowa map.


Jefferson is a city located in the county of Greene in the U.S. state of Iowa. Its population at the 2010 census was 4,345 and a population density of 279 people per km². After 10 years in 2020 city had an estimated population of 4,075 inhabitants.

The city was created 166 years ago in 1854.

GreeneCountyCourthouse image
GreeneCountyCourthouse image


Jefferson is located at 42°0'55"N 94°22'39"W (42.0152600, -94.3774700).

Jefferson map

Jefferson Quick Facts

Population : 4,075 (2020)
Country : United States of America
State : Iowa (United States)
County : Greene County
Different from : Jefferson County
Postal code : 50129
Phone Area Codes : 515
Area : 15.56 km2
Altitude : 1,066 feet / 325 meters
Capital city : Jefferson is capital of Greene County
Establishment : January 01, 1855 (166 years ago)
Time Zone : America/Chicago
Local time : 10:11:13 (22nd September 2021)
Density : 262 Pop. per km² as of 2020
Population growth : -6.63% (2010-2020)


According to census records, the population of Jefferson decreased by 6.63% in 10 years.

Year Population % Change Method
2010 4,345 - census
2011 4,345 0% estimation process
2012 4,273 -1.68% estimation process
2013 4,260 -0.31% estimation process
2014 4,219 -0.97% estimation process
2015 4,136 -2.01% estimation process
2016 4,162 0.62% estimation process
2017 4,142 -0.48% estimation process
2018 4,143 0.02% estimation process
2019 4,102 -1% estimation process
2020 4,075 -0.66% estimation process

Jefferson zip code is 50129. County name: Greene, County fips: 19073

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People born in Jefferson (9)

People born in Jefferson, including statistician George Gallup, astronaut Loren Shriver, United States Army Air Forces Medal of Honor recipient Darrell R. Lindsey, you can see a list of people who born in Jefferson.

  • Bryce Paup (American football player) he was born in 29/02/1968
  • Dave Long (American football player) he was born in 06/09/1944
  • Eileen Cody (American politician) she was born in 05/01/1954
  • Merv Krakau (American football player) he was born in 16/05/1951
  • Steve Miller (American football player, coach of football and basketball, and college athletics administrator) he was born in 26/08/1943
  • Johnny Case (United States mixed martial artist) he was born in 28/06/1989

Stations (1)

Amtrak & bus stations near Jefferson, IA

Code Name Address Type
CRN Creston Pine and Adams Avenue RAIL

Post offices near Jefferson

Post Office Name City ZIP
Jefferson Post Office Jefferson (IA) 50129

Other places with the same name (19)

Other cities in Greene County

Cities, Towns, Neighborhoods & Other Populated Places in Greene County , IA.

City Name Population Title
Grand Junction 757 Human settlement in Greene County, Iowa, United States of America
Scranton 514 Township in Greene County, Iowa
Churdan 363 Human settlement in Greene County, Iowa, United States of America
Rippey 269 Human settlement in Greene County, Iowa, United States of America
Paton 227 Township in Greene County, Iowa
Dana 67 City in Greene County, Iowa, United States

Distance to Other Cities

Jefferson distances to largest Iowa cities