Living Person

Washington_County,_Illinois
is

Washington_County,_Illinois

As of April 14, 2026

6 years old
approximately!

Date of Birth

(2020 ) is

Rat
Year

* Calculated from Wikipedia data.
Accuracy is not guaranteed.

approx.Cosmic Age Calculator

Moon

approx. 85.2 years old

Mercury

approx. 26.5 years old

Venus

approx. 10.4 years old

Mars

approx. 3.4 years old

Jupiter

approx. 0.5 years old

Saturn

approx. 0.2 years old

* Calculated based on each planet's orbital period.

Washington County, Illinois
Washington County Courthouse in Nashville
Official seal of Washington County, Illinois
Map of Illinois highlighting Washington County
Location within the U.S. state of Illinois
Coordinates: 38°21′N 89°25′W / 38.35°N 89.42°W / 38.35; -89.42
Country United States
State Illinois
FoundedJanuary 2, 1818
Named afterGeorge Washington
SeatNashville
Largest cityNashville
Area
 • Total
564 sq mi (1,460 km)
 • Land563 sq mi (1,460 km)
 • Water1.3 sq mi (3.4 km)  0.2%
Population
 (2020)
 • Total
13,761
 • Estimate 
(2025)
13,564 Decrease
 • Density24.4/sq mi (9.44/km)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district12th
Websitewww.washingtonco.illinois.gov
Look up "Washington_County,_Illinois" on Wikipedia

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