Ranking of US States By Population in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, the Population for the United States was 326.84M. Among all US states and DC, California had the highest population (39.44M), followed by Texas (28.63M), and Florida (21.26M).
On the other hand, Wyoming had the lowest population (579.05K) followed by Vermont (624.80K), and District of Columbia (704.15K).
The chart below shows the top 10 states with high population, and the table below shows the ranking of all the 50 US states and the District of Columbia.
You can see similar ranking information for related topics.
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Related Topics: US Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of US States By Population in 2018
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| Rank | State | Population |
|---|---|---|
| 1 | California | 39437463 |
| 2 | Texas | 28624564 |
| 3 | Florida | 21254926 |
| 4 | New York | 19544098 |
| 5 | Pennsylvania | 12809107 |
| 6 | Illinois | 12724685 |
| 7 | Ohio | 11680892 |
| 8 | Georgia | 10519389 |
| 9 | North Carolina | 10391358 |
| 10 | Michigan | 9987286 |
| 11 | New Jersey | 8891730 |
| 12 | Virginia | 8510920 |
| 13 | Washington | 7526793 |
| 14 | Arizona | 7164228 |
| 15 | Massachusetts | 6885720 |
| 16 | Tennessee | 6778180 |
| 17 | Indiana | 6698481 |
| 18 | Missouri | 6125986 |
| 19 | Maryland | 6042153 |
| 20 | Wisconsin | 5809319 |
| 21 | Colorado | 5697155 |
| 22 | Minnesota | 5608762 |
| 23 | South Carolina | 5091702 |
| 24 | Alabama | 4891628 |
| 25 | Louisiana | 4664450 |
| 26 | Kentucky | 4464273 |
| 27 | Oregon | 4183538 |
| 28 | Oklahoma | 3943488 |
| 29 | Connecticut | 3574561 |
| 30 | Utah | 3155153 |
| 31 | Iowa | 3149900 |
| 32 | Nevada | 3030725 |
| 33 | Arkansas | 3012161 |
| 34 | Mississippi | 2982879 |
| 35 | Kansas | 2912748 |
| 36 | New Mexico | 2093754 |
| 37 | Nebraska | 1925512 |
| 38 | West Virginia | 1805953 |
| 39 | Idaho | 1752074 |
| 40 | Hawaii | 1423102 |
| 41 | New Hampshire | 1355064 |
| 42 | Maine | 1340123 |
| 43 | Montana | 1061818 |
| 44 | Rhode Island | 1059338 |
| 45 | Delaware | 966985 |
| 46 | South Dakota | 879386 |
| 47 | North Dakota | 760062 |
| 48 | Alaska | 736624 |
| 49 | District of Columbia | 704147 |
| 50 | Vermont | 624802 |
| 51 | Wyoming | 579054 |