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The U.S. County Atlas

Updated June 2026 · By the NumberBench editorial team · How we calculate

Every U.S. county on one interactive map — 12 layers. Compare home values, rents, property tax, income, poverty, unemployment, education, commute, and an overall well-being score across the whole country. Hover a county for its number; tap to open its state.

Live data from the U.S. Census Bureau ACS 2023 5-year estimates — all 12 layers active: home value, rent, property-tax rate & bill, median income, poverty, unemployment, education, affordability, rent burden, mean commute, and a well-being score. Hover a county for its number; click to open its state property-tax calculator.

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County is where it really varies

State averages hide enormous local variation: counties in the same state can differ by more than a full percentage point of home value once you factor in school levies, municipal rates, and special districts. The effective-rate layer is tax paid as a share of market value (home value) — so it stays comparable across places despite the wildly different assessment ratios counties use. The dollar-bill and home-value layers show the raw numbers behind it.

How it’s calculated

Effective rate = median real-estate taxes paid (ACS B25103) ÷ median home value (B25077).

  • Source: U.S. Census Bureau, American Community Survey 2023 5-year estimates (data.census.gov), pulled June 2026.
  • $10k top-code: the Census caps median real-estate taxes at $10,000+ (shown as $10,001), so the tax bill and effective rate read slightly low in the priciest counties (NYC metro, coastal CA, parts of NJ/CT).
  • Connecticut: CT abolished counties in 2022; its 8 legacy counties carry the rate of the current ACS Planning Region(s) they cover (Fairfield & New Haven population-blended across two regions).
  • Coverage: 12 very small / low-population counties have no Census estimate and show as n/a.

An effective-rate estimate for comparison; your actual bill depends on assessed value, local levies, exemptions, and special districts. Verify with your county assessor.

Frequently asked questions

Where does the data come from?

U.S. Census Bureau, American Community Survey 2023 5-year estimates (data.census.gov). Effective property-tax rate = median real-estate taxes paid (B25103) ÷ median home value (B25077); other layers use their own ACS tables.

Why are the most expensive counties' tax bills all about $10,000?

The Census top-codes median real-estate taxes paid at $10,000+ (reported as 10,001). So in the priciest counties (NYC metro, coastal California, parts of NJ/CT) the tax bill — and the effective rate — are slightly understated.

Why do a few counties show n/a?

The Census doesn't publish a reliable estimate for 12 very small / low-population counties (5 Alaska boroughs plus Kalawao HI, Esmeralda NV, and a few tiny TX/SD counties), so those show as n/a rather than a guess.

What about Connecticut?

CT abolished counties in 2022; the Census now reports 9 Planning Regions. Its 8 legacy counties are shown here carrying the rate of the region(s) they cover (Fairfield and New Haven are population-blended across two regions).