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County profile
County figures where published; statewide context is used only when a measure is not available by county.
Profiles for counties that share a boundary with St. Clair County.
Place-level Census profiles for housing, income, commuting, and population.
MoverMath lists $179,207 as the typical home value in St. Clair County, Illinois, based on Zillow's Home Value Index. It is a smoothed estimate of typical value, not a median sale price.
The median household income in St. Clair County, Illinois is $73,854, using the Census American Community Survey estimate published on this profile.
The effective property-tax rate shown for St. Clair County, Illinois is 2.03%. Census ACS also reports a median annual property-tax bill of $3,665 among owner-occupied homes. Neither figure is a quote for a particular home: its bill depends on the assessment, exemptions and local tax district.
St. Clair County, Illinois has declined 2.7% since 2020, according to Census Population Estimates. This change includes migration, births, and deaths.
MoverMath reports 20 homicide deaths per 100,000 residents for St. Clair County, Illinois from County Health Rankings and NCHS death certificates. It is a multi-year resident mortality rate, not a count of incidents or a neighborhood-safety rating.
Household income, personal income, local costs, and adjusted income.
Plan a move
Census ACS 1-year estimate.