Population.us

Population of Arnold, MO

Last official estimated population of Arnold city (Jefferson County**, Missouri state) was 21,243 (year 2014)^[1]. This was 0.007% of total US population and 0.35% of total Missouri state population. Area of Arnold city is 11.9 mi² (=30.9 km²)^[6], in this year population density was 1,778.55 p/mi². If population growth rate would be same as in period 2010-2014 (+0.52%/yr), Arnold city population in 2024 would be 22,371*.

Historical population

Historical population of Arnold city for period 1980-2014:

Arnold city on population map

Estimated population for 2014^[1]. Click on flag to hide it.

Population • Legends • Position

Settlements near Arnold city

• Crestwood city population 9 mi, 356°
• Columbia city 8.6 mi, 75°
• Sunset Hills city 7.6 mi, 343°
• Fenton city 8.3 mi, 328°
• Green Park city 7 mi, 14°
• Lakeshire city 8 mi, 12°
• Valmeyer village 9.2 mi, 155°
• Grantwood Village town 8.7 mi, 5°
• Bella Villa city 9.3 mi, 29°
• Kimmswick city 4.2 mi, 176°

Sources, notices

*Calculated by population.us from last known population growth rate, not official data.

**Some cities are placed on more than one county. Only 1 county is shown.

[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016

[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016

[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016

[4] Population of the 100 Largest Urban Places: 1980,

[5] Population of the 100 Largest Urban Places in history,

[6] Area, latitude longitude data, retrieved 02/23/2016

[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb