Monmouth city, Illinois demographics and economy

Census American Community Survey 2023 5-Year Estimates for Monmouth city, Illinois.

Population
8,794
Median HH Income
$59,690
Median Home Value
$88,100
Median Age
35.0

Workforce

Unemployment rate
7.2%
312 unemployed of 4,353 in labor force
Bachelor's degree or higher
11.5%
of population age 25+ (5,307 total)
Below poverty line
16.5%
1,302 of 7,873 surveyed

Housing & cost of living

Median home value
$88,100
owner-occupied housing units
Median gross rent
$652/mo
renter-occupied units, all bedrooms

Related resources

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Similar-sized Illinois places

Data source: U.S. Census Bureau American Community Survey 2023 5-Year Estimates (Table B). Geography: place (incorporated city/town/CDP). Public domain (USA.gov).

Indicators: B01003 (population), B19013 (median household income), B25077 (median home value), B01002 (median age), B25064 (median gross rent), B23025 (labor force/unemployment), B15003 (educational attainment), B17001 (poverty).

Generated 2026-05-27. Census applies suppression rules to small populations; some values may be unavailable.