Monmouth Illinois Map and Data

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Monmouth Illinois Boundary Map

Monmouth Illinois Profile

Place NameMonmouth
Place TypeCity
ZIP Code(s)61462
CountyWarren County
Area Code(s)309
TimezoneCentral Standard Time (CST)
Population (2022)9,659
Population Growth Rate (2010-19)-5.74%
Majority EthnicityWhite 72.75%
US Congressional District(s)Illinois 17th
State House Districts94
State Senate Districts47

Monmouth Race/Ethnicity Data

Race/EthnicyPercentage of Population (2021)
White72.75%
African American6.1%
Hispanic2.16%
Asian2.33%
Native American0.52%
Hawaiin/Pacific Islander16.15%

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