Longmont, Boulder County, Colorado

Longmont: City in Colorado, USA


Longmont is a city located in the county of Boulder in the U.S. state of Colorado. Its population at the 2010 census was 86,270. After 10 years in 2020 city had an estimated population of 98,445 inhabitants.

The city was created 152 years ago in 1870.

Quick Facts about Longmont

Population : 98,445 (2020)
Country : United States of America
State : Colorado (United States)
County : Boulder County
Postal code : 80501–80504
Water as percent of area : 5.3%
Land as percent of area : 94.7%
Altitude : 4,984 feet / 1519 meters
Establishment : January 01, 1871 (152 years ago)
Time Zone : Mountain Time Zone
Local time : 05:32:29 (1st June 2023)
Population growth : 12.37% (2010-2020)
Longmont locator map
Location of Longmont on Colorado map.
Longmont  CO  Safety and Justice Center IMG 5217 image
Longmont CO Safety and Justice Center IMG 5217
Longmont  CO  Safety and Justice Center IMG 5217 image


Longmont is located at 40°10'2"N 105°6'7"W (40.1672100, -105.1019300).

Longmont map


The population of Longmont increased by 12.37% in 10 years.

Year Population % Change Method
2010 86,270 - census
2011 87,691 1.62% estimation process
2012 88,903 1.36% estimation process
2013 90,221 1.46% estimation process
2014 90,623 0.44% estimation process
2015 92,280 1.8% estimation process
2016 93,269 1.06% estimation process
2017 94,637 1.45% estimation process
2018 96,536 1.97% estimation process
2019 97,261 0.75% estimation process
2020 98,445 1.2% estimation process

Longmont zip code is 80501. County name: Boulder, County fips: 08013

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People born in Longmont (22)

People born in Longmont, including movie actress Kylie Ireland, comedian and actress Kristen Schaal, actor Fred Stone, .


  • Vance D. Brand (test pilot and NASA astronaut) he was born in 09/05/1931
  • Robert Gunning (American mathematician) he was born in 27/11/1931
  • Jack Reynor (Irish actor) he was born in 23/01/1992
  • David Pauley (American professional baseball player) he was born in 17/06/1983
  • Bert C. Edmonds (United States Navy sailor and naval aviator) he was born in 21/03/1919
  • Brodie Buckland (Australian rower) he was born in 12/12/1983
  • Bruce Dehning (American accounting academic) he was born in 01/01/1965
  • Donald D. Pucket (United States Army Air Forces Medal of Honor recipient) he was born in 15/12/1915
  • Ed Werder (American sports reporter) he was born in 03/05/1960
  • Elmer F. Bennett (American lawyer) he was born in 17/09/1917
  • Eric Coyle (American football player) he was born in 26/10/1963
  • J. J. Raterink (Arena Football League player) he was born in 04/08/1981
  • Will Graham (American Christian evangelist) he was born in 30/01/1975
  • Kody Lostroh (American Professional Bull Rider) he was born in 18/09/1985
  • Logan Miller (US association football player) he was born in 31/10/1992
  • Kimiko Soldati (American diver) she was born in 10/04/1974
  • David Bote (American professional baseball second baseman) he was born in 07/04/1993
  • Cole Winn (American baseball player) he was born in 25/11/1999

Schools in Longmont

College & universities near Longmont, CO

Code Name City ZIP
262466 Rolf Institute of Structural Integration Boulder (CO) 80301-0000
436261 Southwest Acupuncture College-Boulder Boulder (CO) 80301
454838 Institute of Taoist Education and Acupuncture Louisville (CO) 80027
127954 Montessori Education Center of the Rockies Boulder (CO) 80301
127653 Naropa University Boulder (CO) 80302-6697

Stations (11)

Amtrak & bus stations near Longmont, CO

Code Name Address Type
LGM Longmont, Colorado 623 Main St. BUS
BLD Boulder, Colorado 30th & Diagonal Highway BUS
FCC Fort Collins, Colorado 250 North Mason St. BUS
DEB Denver (Bus Station), Colorado 1055 19th Street BUS
DEN Union Station 1701 Wynkoop Street RAIL

Post offices near Longmont

Post Office Name City ZIP
Longmon Post Office Longmont (CO) 80501
Hygien Post Office Hygiene (CO) 80533
Niw Post Office Niwot (CO) 80544
Mead Post Office Mead (CO) 80542
Er Post Office Erie (CO) 80516

Other cities in Boulder County

Cities, Towns, Neighborhoods & Other Populated Places in Boulder County , CO.

City Name Population Title
Boulder 107,645 City in Colorado, United States of America
Erie 30,318 Town in Boulder County, Colorado, USA
Lafayette 28,579 City in Colorado
Louisville 19,060 City in Colorado
Superior 13,413 Statutory Town in Boulder and Jefferson counties in the U.
Niwot 4,006 Census designated place
Lyons 2,058 Town in Boulder County, Colorado, United States
Nederland 1,557 Town in Colorado, United States
Coal Creek 350 Town in Fremont County, Colorado, United States
Jamestown 254 Town in Colorado, USA
Ward 168 Town in Colorado, United States

Distance to Other Cities

Longmont distances to largest Colorado cities