Population.us

Population of Cairo, IL

Last official estimated population of Cairo city (Alexander County**, Illinois state) was 2,576 (year 2014)^[1]. This was 0.001% of total US population and 0.02% of total Illinois state population. Area of Cairo city is 9.1 mi² (=23.5 km²)^[6], in this year population density was 283.58 p/mi². If population growth rate would be same as in period 2010-2014 (-2.33%/yr), Cairo city population in 2026 would be 1,941*.

Historical population

Historical population of Cairo city for period 1850-2014:

Cairo city on population map

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

Population • Legends • Position

Settlements near Cairo city

• Charleston city population 10.4 mi, 233°
• La Center city 12.4 mi, 67°
• Mounds city 7.7 mi, 351°
• Bardwell city 13.2 mi, 133°
• Wickliffe city 6.2 mi, 116°
• Barlow city 8.2 mi, 67°
• Mound City city 5.6 mi, 11°
• Olmsted village 13.3 mi, 24°
• Wyatt city 3.3 mi, 166°
• Wilson City village 6.1 mi, 201°

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