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Population Review

Census ACS 5-Year · 51 states

Most Populated States

Source·US Census ACS 5-Year 2023Updated·Reviewed by·Population Review Data Team
Raw data·Download states.csv· no email required ·all datasets

Population varies enormously across the United States. The largest states contain sprawling metropolitan areas with tens of millions of residents, while the smallest are home to fewer people than many individual cities. California alone accounts for roughly 12% of the nation's total population, while the six least-populated states combined have fewer residents than the city of Los Angeles. These differences shape everything from congressional representation and Electoral College votes to federal funding allocations. States with rapidly growing populations, particularly in the Sun Belt, are gaining political influence and economic clout at the expense of slower-growing Rust Belt and Northeastern states. Understanding population distribution is fundamental to demographic analysis, urban planning, and public policy.

Key Findings

  • 1California leads with a population of 39,242,785, followed by Texas (29,640,343) and Florida (21,928,881).
  • 2Wyoming ranks last at 579,761, while California leads at 39,242,785.
  • 3The national median across all states is 4,510,725 (Kentucky at the midpoint).
  • 4The top 10 states are: California, Texas, Florida, New York, Pennsylvania, Illinois, Ohio, Georgia, North Carolina, Michigan.
Most Populated States

Full Ranking: Most Populated States

Source: Census ACS 5-Year Estimates

#StatePopulationMedian AgeMedian Income
1Wyoming579,76138.8$74,815
2Wisconsin5,892,02340.1$75,670
3West Virginia1,784,46242.7$57,917
4Washington7,740,98438.2$94,952
5Virginia8,657,49938.8$90,974
6Vermont645,25443$78,024
7Utah3,331,18731.7$91,750
8Texas29,640,34335.5$76,292
9Tennessee6,986,08238.9$67,097
10South Dakota899,19437.7$72,421
11South Carolina5,212,77440.1$66,818
12Rhode Island1,095,37140.5$86,372
13Pennsylvania12,986,51840.9$76,081
14Oregon4,238,71440.1$80,426
15Oklahoma3,995,26036.9$63,603
16Ohio11,780,04639.6$69,680
17North Dakota779,36135.7$75,949
18North Carolina10,584,34039.1$69,904
19New York19,872,31939.6$84,578
20New Mexico2,114,76839.2$62,125
21New Jersey9,267,01440.1$101,050
22New Hampshire1,387,83443.2$95,628
23Nevada3,141,00038.9$75,561
24Nebraska1,965,92637.1$74,985
25Montana1,105,07240.2$69,922
26Missouri6,168,18138.9$68,920
27Mississippi2,951,43838.4$54,915
28Minnesota5,713,71638.6$87,556
29Michigan10,051,59540.1$71,149
30Massachusetts6,992,39540$101,341
31Maryland6,170,73839.3$101,652
32Maine1,377,40044.8$71,773
33Louisiana4,621,02537.8$60,023
34Kentucky4,510,72539.1$62,417
35Kansas2,937,56937.2$72,639
36Iowa3,195,93738.6$73,147
37Indiana6,811,75238$70,051
38Illinois12,692,65338.9$81,702
39Idaho1,893,29637.1$74,636
40Hawaii1,445,63540.6$98,317
41Georgia10,822,59037.4$74,664
42Florida21,928,88142.6$71,711
43District of Columbia672,07934.9$106,287
44Delaware1,005,87241.5$82,855
45Connecticut3,598,34841.2$93,760
46Colorado5,810,77437.5$92,470
47California39,242,78537.6$96,334
48Arkansas3,032,65138.4$58,773
49Arizona7,268,17538.8$76,872
50Alaska733,97135.6$89,336
51Alabama5,054,25339.3$62,027

Methodology

Rankings are based on American Community Survey (ACS) 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.

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Frequently Asked Questions

California has the highest population at 39,242,785, according to latest Census ACS data. Texas and Florida round out the top three.

Wyoming has the lowest population at 579,761. Vermont is second-lowest at 645,254.

The median across all 51 states is 4,510,725. Note that the national median and the state-level median are calculated differently, the state median represents the midpoint when all states are ranked.

This data comes from the American Community Survey (ACS) 5-Year estimates published by the US Census Bureau. The ACS surveys approximately 3.5 million households annually and provides the most comprehensive demographic data available between decennial censuses.

Rankings are based on the latest available Census ACS 5-Year estimates. The Census Bureau releases new ACS data annually. Our data was last updated on April 12, 2026.

Rankings are based on American Community Survey (ACS) 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.

Source: U.S. Census Bureau ACS, 2026.