Property Tax in Mason County
via TaxByCounty
Mason County levies top-tier tax rates
Mason County's effective tax rate of 2.146% ranks in the 71st percentile nationally, well above the national median of 1.728%. The median property tax of $2,277 approaches the national median of $2,690, despite homes valued at only $106,100—less than 38% of the national median home value.
Mason County highest-taxed in Illinois
At 2.146%, Mason County carries Illinois's highest effective tax rate, exceeding the state average of 1.831% by over 0.3 percentage points. The median property tax of $2,277 is 18% below the state median, reflecting lower home values but elevated tax pressure on residents.
Significantly outpaces all regional peers
Mason County's 2.146% rate far exceeds every neighboring county in the state—nearly 0.2 percentage points above McDonough County (2.162%) and Marshall County (1.991%). This makes Mason one of the most tax-intensive places to own property in central Illinois.
Expect $2,277 in annual property tax
On Mason County's median home value of $106,100 and effective rate of 2.146%, homeowners pay approximately $2,277 in annual property taxes. With mortgage add-ons, total obligations can reach $2,397.
Reassessment appeal strongly encouraged
Given Mason County's exceptionally high tax rates, thorough assessment verification is critical for homeowners seeking relief. The Mason County Assessor's office accepts reassessment requests at no charge—a simple filing could substantially reduce your annual tax burden.