Arnold
City in Jefferson County, Missouri
Arnold is a city in Jefferson County, Missouri, with 20,858 residents (2020 Census). It sits at 604 ft (184 m) above sea level. The nearest town is Oakville, 3.2 miles NE.
- 20,858residents (2020 Census)
- 604 ftelevation · 184 m
- 11.5 sq miland area · 29.8 km²
- 1,815 / sq mipopulation density
- 63010ZIP code
About Arnold
Arnold is a city in northeastern Jefferson County, Missouri, situated near the confluence of the Meramec and Mississippi rivers. A suburb of St. Louis, the city lies within the Greater St. Louis metropolitan statistical area. The population was 20,858 at the 2020 United States census, which makes it the most populous community in the county.
Text: Wikipedia · CC BY-SA 4.0
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Living in Arnold
- Median household income
- $78,370
- Median home value
- $220,000
- Median rent
- $1,112/mo
- Median age
- 39.7
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Map of Arnold
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Open in Google Maps ›Arnold, MO population
Arnold had 20,858 residents in the 2020 Census.
| 2020 Census | 20,858 |
|---|---|
| Density | 1,815 per sq mi (701 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Arnold at a glance
| State | Missouri (MO) |
|---|---|
| County | Jefferson County |
| Type | City |
| Population | 20,858 (2020) |
| Land area | 11.49 sq mi (29.8 km²) |
| Water area | 0.00 sq mi (0.01 km²) |
| Elevation | 604 ft (184 m) |
| Coordinates | 38.4260° N, 90.3693° W |
| ZIP code | 63010 |
| Official website | arnoldmo.org |
| Census code (GEOID) | 2901972 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Arnold
- Oakville3.2 mi NE
- Kimmswick4.2 mi S
- Imperial5.1 mi S
- Concord6.0 mi N
- Mehlville6.1 mi NE
- Barnhart6.4 mi S
- Green Park6.9 mi N
- Sappington6.9 mi N
- Sunset Hills7.6 mi N
- Murphy7.8 mi NW
- Lakeshire8.0 mi N
- St. George8.3 mi N
Straight-line distance between town centers.
Frequently asked questions about Arnold
What county is Arnold in?
Arnold is in Jefferson County, Missouri.
What is the population of Arnold, MO?
20,858 people lived in Arnold at the 2020 Census.
What is the ZIP code of Arnold, MO?
The ZIP code of Arnold is 63010.
What is the elevation of Arnold?
604 feet (184 m) above sea level.
What towns are near Arnold?
Oakville (3.2 mi), Kimmswick (4.2 mi), Imperial (5.1 mi), Concord (6.0 mi), Mehlville (6.1 mi).
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