Arnold Jefferson County, Missouri

Arnold: City in Missouri

About

Arnold is a city located in the county of Jefferson in the U.S. state of Missouri. Its population at the 2010 census was 20,808 and a population density of 673 people per km². After 10 years in 2020 city had an estimated population of 21,145 inhabitants.

Arnold Quick Facts

Population : 21,145 (2020)
Country : United States of America
State : Missouri (United States)
County : Jefferson County
Postal code : 63010
Phone Area Codes : 636
Area : 30.93 km2
Altitude : 604 feet / 184 meters
Time Zone : Central Time Zone
Local time : 18:01:50 (30th November 2021)
Density : 684 Pop. per km² as of 2020
Population growth : 1.59% (2010-2020)
Arnold locator map
Location of Arnold on Missouri map.
Arnold Water Tower from I-55 North image
Arnold Water Tower from I-55 North
Arnold Water Tower from I-55 North image

Geography

Arnold is located at 38°25'58"N 90°22'39"W (38.4328300, -90.3776200).

Arnold map

Demographics

The population of Arnold increased by 1.59% in 10 years.

Year Population % Change Method
2010 20,808 - census
2011 20,892 0.4% estimation process
2012 20,980 0.42% estimation process
2013 21,025 0.21% estimation process
2014 21,130 0.5% estimation process
2015 21,200 0.33% estimation process
2016 21,163 -0.17% estimation process
2017 21,151 -0.06% estimation process
2018 21,123 -0.13% estimation process
2019 21,091 -0.15% estimation process
2020 21,145 0.26% estimation process

Arnold zip code is 63010. County name: Jefferson, County fips: 29099

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Local Places in Arnold

1 Arnold City Hall
Rating: 3.8 (27)

Address: 2101 Jeffco Blvd, Arnold, MO 63010 ➦ Show Map

☎ +16362826600 🔗 Url

People born in Arnold (2)

People born in Arnold, including United States admiral Kathleen L. Martin, football player Mike Wells, you can see a list of people who born in Arnold.

Schools in Arnold

College & universities near Arnold, MO

Code Name City ZIP
460932 Skin Institute Saint Louis (MO) 63126

Stations (8)

Amtrak & bus stations near Arnold, MO

Code Name Address Type
KWD Kirkwood 110 West Argonne Dr. RAIL
STL Gateway Transportation Center 551 South 16th St. RAIL
ALN Alton 3400 College Ave. RAIL
WAH Washington 301 West Front St. RAIL
HEM Hermann Wharf & Gutenberg Sts. RAIL

Post offices near Arnold

Post Office Name City ZIP
Arnold Post Office Arnold (MO) 63010

Other places with the same name (3)

Other cities in Jefferson County

Cities, Towns, Neighborhoods & Other Populated Places in Jefferson County , MO.

City Name Population Title
Festus 12,114 City in Missouri
De Soto 6,340 City in Jefferson County, Missouri
Pevely 6,001 City in Jefferson County, Missouri, United States
Barnhart 5,682 Census designated place
Crystal City 4,700 City in Jefferson County, Missouri, United States
High Ridge 4,305 Census designated place
Herculaneum 4,261 Roman town
Riverside 3,528 City in Platte County, Missouri, United States
Hillsboro 3,355 City in Missouri, United States
Byrnes Mill 3,015 City in Jefferson County, Missouri, United States
Olympian Village 752 City in Jefferson County, Missouri, United States
Cedar Hill Lakes 227 Village in Jefferson County, Missouri, United States
Scotsdale 216 Human settlement in Jefferson County, Missouri, United States of America
Parkdale 162 Human settlement in Jefferson County, Missouri, United States of America
Kimmswick 140 City in Jefferson County, Missouri, United States

Distance to Other Cities

Arnold distances to largest Missouri cities