Population.us

Population of Washington, IL

Last official estimated population of Washington city (Tazewell County**, Illinois state) was 15,816 (year 2014)^[1]. This was 0.005% of total US population and 0.12% of total Illinois state population. Area of Washington city is 8.0 mi² (=20.8 km²)^[6], in this year population density was 1,968.63 p/mi². If population growth rate would be same as in period 2010-2014 (+1.11%/yr), Washington city population in 2026 would be 18,052*.

Historical population

Historical population of Washington city for period 1850-2014:

Washington city on population map

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

Population • Legends • Position

Settlements near Washington city

• East Peoria city population 5.8 mi, 250°
• Morton village 6.3 mi, 194°
• Peoria Heights village 7.6 mi, 293°
• Eureka city 8.4 mi, 84°
• Creve Coeur village 9.5 mi, 244°
• Metamora village 7.4 mi, 28°
• Germantown Hills village 5 mi, 341°
• Deer Creek village 7.5 mi, 132°
• Spring Bay village 9.4 mi, 328°
• Bay View Gardens village 8.8 mi, 327°

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