Effective Tax Rates by County

IRS 2021 income data · ACS 2022 home values · state income tax, local income tax, FICA, and property tax

Lower rate
Higher rate

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Methodology

Gross income
IRS SOI 2021
Mean adjusted gross income per tax return from IRS Statistics of Income county data. Includes wages, capital gains, dividends, and business income. Higher than Census median because top earners pull the average up.
State income tax
State agencies, 2022
Computed from 2022 state income tax brackets applied to mean AGI. Single filer with standard deduction assumed.
Local income tax
Approximate state averages
Applied in states with significant local income taxes (MD, OH, KY, PA, IN, NY, MI, AL, MO). County-level variation within states is not captured.
FICA
SSA / IRS 2022
Employee share: 6.2% Social Security (up to $147,000) + 1.45% Medicare. Does not include employer contributions.
Property tax
Census B25077 · state effective rates
Estimated by applying each state's effective property tax rate to the county's median home value (ACS B25077). Rates range from 0.28% (Hawaii) to 2.49% (New Jersey). Sub-county variation is not captured.