Norfolk County, MA
Household income percentile calculator
Compare annual household income with 283,368 households in the county's published 2020-2024 ACS distribution.
Published distribution
Reference thresholds
Thresholds use the same disclosed linear interpolation inside closed ACS income groups.
$100,000 has a household-income percentile estimate of 38.9 in Norfolk County, MA under the 2020-2024 ACS grouped distribution. Without assuming where households fall inside the published income group, the supported rank interval is 38.9 to 48.1.
The result is a deterministic estimate from the published ACS county household counts in 16 income groups. Linear interpolation is used only inside a closed published group; the complete published-group percentile interval is always disclosed. ACS B19001 does not subdivide household incomes of $200,000 or more. Values in that open-ended group receive a percentile floor and top-share ceiling, never a fabricated point percentile.
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Official source
ACS grouped household counts
U.S. Census Bureau 2020-2024 ACS 5-year Detailed Table B19001, reviewed August 26, 2026. The estimate interpolates only within a closed published income group and always reports the complete group's supported percentile interval.