Original research from the CensusEasy Data Team
Data-driven studies on how US places have changed since 1990. Every piece publishes the underlying numbers, the methodology, and the source files.
The most populous ZIP code in every state
ZIP 77494 in Texas and 08701 in New Jersey are effectively tied as the nation's most populous, each with about 140,000 residents. A typical ZIP code has about 2,600.
The most common birthplace of immigrants in every state
Mexico is the top birthplace of immigrants in 32 states. India leads in four, Cuba in Florida, and in six states the top spot is a statistical tie.
The most geographically concentrated ancestry groups in America
Six in 10 Guyanese Americans live in the New York metro, the highest share of any group in a single metro area. English and Scottish Americans are the most spread out, and New York is the largest community for 43 of 102 groups.
The most segregated metro areas in America
Milwaukee ranks first among large metros, at a score of 55.6. Segregation fell in 103 of 108 large metro areas since 2020, and a metro's diversity says almost nothing about how evenly its residents are spread.
The US counties that diversified most since 2000
Forsyth County, Georgia, went from 92% white in 2000 to 62% white today, the biggest shift among the 613 US counties with 100,000 or more people. Georgia and Pennsylvania each have four counties in the top 25.
Which US counties produce the most pro athletes?
We matched every US-born player in the NFL, NBA, MLB, and NHL to their birth county. St. Louis leads per capita, metro Atlanta dominates the rankings, and each sport draws from a different map.
US cities where real household income grew the most since 1990
Of 843 US cities with 50,000+ residents, 593 are richer in inflation-adjusted terms than in 1990. Fulshear, TX leads at $124,408 per household.
The least affordable US cities
The CensusEasy Afford Score ranks US cities by the ratio of median home value to median household income. Berkeley, CA is the least affordable large city, where homes cost 13.1x the typical income.
The fastest-gentrifying US cities
The CensusEasy Gentrification Score ranks US cities by a decade of combined growth in real income, home values, and college degrees. Denver, CO leads the largest cities at 90.3 out of 100.
The richest and poorest ZIP codes in Georgia
Ranking all 610 Georgia ZIP codes by median household income. 30327 leads at $189,250; 39840 sits at the bottom at $22,540.
The richest and poorest ZIP codes in Florida
Ranking all 904 Florida ZIP codes by median household income. 33109 leads at $250,000+; 32603 sits at the bottom at $13,408.
The richest and poorest ZIP codes in New York
Ranking all 1277 New York ZIP codes by median household income. 10004 leads at $250,000+; 14605 sits at the bottom at $21,201.
The richest and poorest ZIP codes in Texas
Ranking all 1452 Texas ZIP codes by median household income. 76092 leads at $250,000+; 79901 sits at the bottom at $14,872.
The richest and poorest ZIP codes in California
Ranking all 1391 California ZIP codes by median household income. 94020 leads at $250,000+; 92257 sits at the bottom at $22,611.
US cities where homeownership fell most since 2000
Wesley Chapel, Florida's owner-occupied share fell by −20.3% since 2000, the largest decline among US cities of 50,000 or more.
US metros that grew the most since 1990
Miami-Fort Lauderdale-West Palm Beach, FL added +4,130,285 residents since 1990, the largest absolute metro gain in the United States.
US states with the biggest real income gains since 1990
District of Columbia leads US states with +$36,123 added to real median household income since 1990.
US counties with the biggest high-school attainment gains since 1990
Grainger County, Tennessee added +39.6% to its high-school-or-higher attainment since 1990, the largest gain of any US county of 25,000 or more.
US counties aging fastest since 1990
Sumter County, Florida added +28.5 years to its median age since 1990, the fastest aging of any US county of 50,000 or more.
US cities where real rent has grown most since 2000
Maricopa, Arizona's median gross rent is +$1,362 higher in real terms than in 2000, the largest real increase among US cities of 50,000 or more.
US cities where the poverty rate fell most since 1990
Kyle, Texas cut its poverty rate by −24.6% since 1990, the largest decline among US cities of 50,000 or more.
US cities where real home values grew most since 2000
Mountain View, California's median home value is +$1,080,295 higher in real terms than it was in 2000, the largest real gain among US cities of 50,000 or more.
US counties that lost the most population since 1990
Wayne County, Michigan has −339,428 fewer residents than in 1990, the largest absolute loss among US counties of 50,000 or more.
US counties that grew the most since 1990
Maricopa County, Arizona added +2,437,647 residents since 1990, the largest absolute population gain of any US county.
US cities where the average commute has grown most since 1990
The typical large US city's mean commute went from 20.0 min to 24.7 min between 1990 and the latest ACS. San Jacinto, California leads the increase at +19.8 min.
US cities with the biggest bachelor's-degree gains since 1990
The typical large US city went from 20.2% to 35.1% bachelor's-or-higher attainment. Fulshear, Texas added +60.1%, the largest absolute gain.
US cities where median household income fell since 1990, in real dollars
Of 843 US cities with 50,000+ residents, 250 are poorer in real terms than they were in 1990. Doral, Florida leads the decline at −$42,362 per household.