![]() Photo from DemocraticLuntz at English Wikipedia | Marshall, IL 62441 Post Office Location: 115 North 7th Street; Marshall, IL Year Post Office built: Town(s) Served: Marshall Acceptable City Names: Marshall Not Acceptable City Names: Sectional Service Facility: Effingham County(ies): Clark Info on Marshall: Marshall is a city in Northeastern Clark County. Marshall dates back to 1835. This is the county seat for Clark County. It is home to aprox. 3,947 residents (2020 census). |
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