The Great American Reshuffle

Between the 2020 Census and the Bureau’s 2024 estimates, the country’s biggest cities didn’t just grow — they rearranged. Of the 200 most populous U.S. cities, 142 gained residents and 58 lost them. But the winners and losers cluster so tightly by region that the real story isn’t growth. It’s relocation.

Finding 01 · The boom is a Sun Belt story

Fifteen fastest-growing big cities

Fourteen of the fifteen fastest-growing large cities sit in Florida, Texas, Arizona, Tennessee, or Nevada. The lone exception, Roseville, is a Sacramento exurb. Population change, 2020–2024:

1. 1Port St. Lucie FL+25.0%
2. 2Cape Coral FL+19.2%
3. 3Palm Bay FL+18.2%
4. 4Denton TX+17.6%
5. 5Surprise AZ+16.1%
6. 6Frisco TX+16.0%
7. 7McKinney TX+15.2%
8. 8North Las Vegas NV+12.6%
9. 9Clarksville TN+10.8%
10. 10Miami FL+10.0%
11. 11Roseville CA+9.9%
12. 12Henderson NV+9.8%
13. 13Murfreesboro TN+9.5%
14. 14Fort Worth TX+9.1%
15. 15Orlando FL+8.8%

Port St. Lucie added 51,747 residents in four years — a quarter of its 2020 population.

Finding 02 · Where the raw numbers went

Most residents added

Percentages favor small cities. By sheer headcount, Texas dominates: Houston, San Antonio, and Fort Worth took the top three spots, and eleven of the twelve biggest gainers were in the South or West.

1. 1Houston TX+91,180
2. 2San Antonio TX+87,316
3. 3Fort Worth TX+84,461
4. 4Charlotte NC+68,528
5. 5Phoenix AZ+60,571
6. 6Jacksonville FL+57,908
7. 7Port St. Lucie FL+51,747
8. 8Miami FL+44,186
9. 9Seattle WA+40,395
10. 10Cape Coral FL+37,589
11. 11Raleigh NC+33,964
12. 12North Las Vegas NV+32,861

Finding 03 · The other side of the ledger

Steepest declines

The shrinking cities tell a coastal-and-legacy story: five California cities, two Louisiana cities, plus St. Louis, Jackson, and New York. These aren’t small towns — they’re some of the most established economies in the country.

1. 1Jackson MS-7.5%
2. 2St. Louis MO-6.9%
3. 3Shreveport LA-5.5%
4. 4San Francisco CA-5.4%
5. 5New Orleans LA-5.4%
6. 6Glendale CA-4.2%
7. 7Palmdale CA-3.8%
8. 8Lancaster CA-3.3%
9. 9Long Beach CA-3.2%
10. 10New York NY-3.0%

Finding 04 · A regional divide, in one number

Median growth by region

Aggregate the 200 cities by region and the split is stark. The typical Southern big city grew nearly four percent; the typical Northeastern one didn’t move at all.

Why it matters

Growth is where the customers are moving

Every one of these fast-rising cities is filling with new residents who arrive without a plumber, a dentist, a realtor, or a restaurant they trust — and who find those businesses the same way: a phone and a search. For local businesses in Sun Belt boomtowns, the window to become the name newcomers find first is open right now.