Spencer, Iowa

Spencer: City in the state of Iowa (United States)


Spencer is a city located in the county of Clay in the U.S. state of Iowa. Its population at the 2010 census was 11,233 and a population density of 391 people per km². After 10 years in 2020 city had an estimated population of 10,989 inhabitants.

Spencer locator map
Location of Spencer on Iowa map.

Quick Facts about Spencer

Population : 10,989 (2020)
Country : United States of America
State : Iowa (United States)
County : Clay County
Postal code : 51301
Phone Area Codes : 712
Area : 28.7 km2
Altitude : 1,312 feet / 400 meters
Capital city : Spencer is capital of Clay County
Time Zone : Central Time Zone
Local time : 13:53:23 (25th September 2023)
Density : 383 Pop. per km² as of 2020
Population growth : -2.22% (2010-2020)
Clay County IA Courthouse image
Clay County IA Courthouse
Clay County IA Courthouse image


Spencer is located at 43°8'29"N 95°8'40"W (43.1413600, -95.1444400).

Spencer map


According to census records, the population of Spencer decreased by 2.22% in 10 years.

Year Population % Change Method
2010 11,233 - census
2011 11,203 -0.27% estimation process
2012 11,164 -0.35% estimation process
2013 11,130 -0.31% estimation process
2014 11,180 0.45% estimation process
2015 11,199 0.17% estimation process
2016 11,094 -0.95% estimation process
2017 11,032 -0.56% estimation process
2018 11,011 -0.19% estimation process
2019 10,952 -0.54% estimation process
2020 10,989 0.34% estimation process

Spencer zip code is 51301. County name: Clay, County fips: 19041

SPW, Spensehr, Spenser, aspnsr aywwa, sbnsr, Спенсер, Спенсэр, اسپنسر، آیووا, سبنسر

People born in Spencer (13)

People born in Spencer, including resident cat at the Spencer Public Library in Spencer, Iowa, US Dewey Readmore Books, writer Vicki Myron, football player Garry Howe, .


  • Lynn Wardlow (American politician) he was born in 11/11/1943
  • Richard L. Tierney (American writer) he was born in 07/08/1936
  • Robert Suderburg (American composer) he was born in 28/01/1936
  • Robin Thede (American comedian) she was born in 27/07/1979
  • Tom W. Shaw (American politician) he was born in 01/01/1961
  • Ronald Roskens (American academic) he was born in 11/12/1932
  • Krista Marie DeGeest (US volleyball player) she was born in 10/01/1990
  • John Sullivan he was born in 10/05/1938
  • Ryan Vermeer (American golfer) he was born in 11/01/1978
  • Jeff Taylor (American political scientist and politician) he was born in 30/01/1961

Schools in Spencer

College & universities near Spencer, IA

Code Name City ZIP
381486 Faust Institute of Cosmetology-Spirit Lake Spirit Lake (IA) 51360

Post offices near Spencer

Post Office Name City ZIP
Spencer Post Office Spencer (IA) 51301

Other places with the same name (14)

Other cities in Clay County

Cities, towns, neighborhoods & other populated places in Clay County , IA.

City Name Population Title
Everly 541 City in Iowa, USA
Royal 400 Town in Iowa
Peterson 304 Human settlement in Clay County, Iowa, United States of America
Fostoria 219 City in Iowa
Dickens 168 Park in Clay County, Iowa, United States of America
Webb 126 City in Clay County, Iowa, United States
Greenville 67 City in Clay County, Iowa, United States
Rossie 67 City in Clay County, Iowa, United States
Gillett Grove 47 Human settlement in Clay County, Iowa, United States of America

Distance to Other Cities

Spencer distances to largest Iowa cities