Arnold, Missouri | |
---|---|
Coordinates: 38°25′47″N 90°22′24″W / 38.42972°N 90.37333°W | |
Country | United States |
State | Missouri |
County | Jefferson |
Government | |
• Mayor | Ron Counts[1] |
• Mayor Pro-Tem | Tim Seidenstricker[2] |
Area | |
• Total | 11.53 sq mi (29.86 km2) |
• Land | 11.53 sq mi (29.85 km2) |
• Water | 0.00 sq mi (0.01 km2) |
Elevation | 522 ft (159 m) |
Population (2020) | |
• Total | 20,858 |
• Density | 1,809.80/sq mi (698.79/km2) |
Time zone | UTC-6 (Central (CST)) |
• Summer (DST) | UTC-5 (CDT) |
ZIP code | 63010 |
Area code | 636 |
FIPS code | 29-01972[5] |
GNIS ID | 2393991[4] |
Website | arnoldmo.org |
Arnold is a city in Jefferson County, Missouri, United States, and a suburb of St. Louis. The population was 20,858 at the 2020 United States census.
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