State and regional shares of total national income and national top 1% income, and relative concentrations of national top 1% income, 2015
| State rank (from highest to lowest share of national top 1% income) | State/region | Share of total national income | Share of national top 1% income | Ratio of shares (concentration) | Rank (from highest to lowest ratio) |
|---|---|---|---|---|---|
| 1 | California | 13.92% | 17.44% | 1.25 | 6 |
| 2 | New York | 7.51% | 12.31% | 1.64 | 1 |
| 3 | Texas | 8.60% | 8.54% | 0.99 | 11 |
| 4 | Florida | 5.63% | 7.89% | 1.40 | 3 |
| 5 | Illinois | 4.28% | 4.58% | 1.07 | 10 |
| 6 | New Jersey | 3.60% | 4.19% | 1.16 | 7 |
| 7 | Massachusetts | 2.83% | 3.85% | 1.36 | 4 |
| 8 | Pennsylvania | 4.03% | 3.34% | 0.83 | 16 |
| 9 | Connecticut | 1.68% | 2.68% | 1.59 | 2 |
| 10 | Washington | 2.47% | 2.41% | 0.98 | 12 |
| 11 | Georgia | 2.65% | 2.21% | 0.84 | 15 |
| 12 | Virginia | 2.95% | 2.20% | 0.75 | 23 |
| 13 | Ohio | 3.16% | 2.07% | 0.66 | 33 |
| 14 | Michigan | 2.61% | 1.95% | 0.75 | 22 |
| 15 | North Carolina | 2.56% | 1.91% | 0.75 | 24 |
| 16 | Maryland | 2.26% | 1.71% | 0.76 | 19 |
| 17 | Colorado | 1.88% | 1.68% | 0.89 | 13 |
| 18 | Minnesota | 1.84% | 1.60% | 0.87 | 14 |
| 19 | Tennessee | 1.73% | 1.32% | 0.77 | 18 |
| 20 | Arizona | 1.65% | 1.24% | 0.75 | 21 |
| 21 | Wisconsin | 1.71% | 1.20% | 0.70 | 29 |
| 22 | Missouri | 1.61% | 1.20% | 0.74 | 25 |
| 23 | Indiana | 1.74% | 1.04% | 0.60 | 42 |
| 24 | Nevada | 0.79% | 0.90% | 1.15 | 8 |
| 25 | Oregon | 1.10% | 0.80% | 0.73 | 27 |
| 26 | Louisiana | 1.25% | 0.77% | 0.62 | 38 |
| 27 | Oklahoma | 1.15% | 0.74% | 0.65 | 36 |
| 28 | South Carolina | 1.13% | 0.74% | 0.66 | 34 |
| 29 | Alabama | 1.11% | 0.68% | 0.61 | 40 |
| 30 | Kansas | 0.91% | 0.64% | 0.70 | 30 |
| 31 | Utah | 0.80% | 0.60% | 0.75 | 20 |
| 32 | Kentucky | 1.01% | 0.58% | 0.58 | 43 |
| 33 | Arkansas | 0.68% | 0.49% | 0.72 | 28 |
| 34 | Iowa | 0.93% | 0.48% | 0.52 | 46 |
| 35 | District of Columbia | 0.34% | 0.45% | 1.33 | 5 |
| 36 | Nebraska | 0.61% | 0.38% | 0.61 | 41 |
| 37 | New Hampshire | 0.50% | 0.36% | 0.73 | 26 |
| 38 | Mississippi | 0.60% | 0.28% | 0.47 | 49 |
| 39 | Wyoming | 0.22% | 0.26% | 1.14 | 9 |
| 40 | Idaho | 0.40% | 0.25% | 0.62 | 39 |
| 41 | Rhode Island | 0.33% | 0.22% | 0.68 | 32 |
| 42 | Hawaii | 0.46% | 0.22% | 0.49 | 47 |
| 43 | South Dakota | 0.27% | 0.22% | 0.79 | 17 |
| 44 | New Mexico | 0.47% | 0.22% | 0.46 | 50 |
| 45 | North Dakota | 0.29% | 0.20% | 0.69 | 31 |
| 46 | Montana | 0.27% | 0.18% | 0.65 | 35 |
| 47 | Delaware | 0.28% | 0.18% | 0.63 | 37 |
| 48 | Maine | 0.34% | 0.17% | 0.49 | 48 |
| 49 | West Virginia | 0.38% | 0.16% | 0.41 | 51 |
| 50 | Alaska | 0.27% | 0.15% | 0.53 | 45 |
| 51 | Vermont | 0.19% | 0.11% | 0.57 | 44 |
| — | Northeast | 21.02% | 27.20% | 1.29 | |
| — | Midwest | 19.97% | 15.55% | 0.78 | |
| — | South | 34.31% | 30.81% | 0.90 | |
| — | West | 24.71% | 26.32% | 1.07 |
Notes: Share of total national income is the state/region’s total income as a share of total national income. Share of national top 1% income is the total income of families in the state or region who are in the national top 1%, as a share of all national top 1% income in the U.S. The ratio of the national top 1% income share to the total share indicates the relative concentration of national top 1% income in a given state or region. Incomes are in 2015 dollars. Data are for tax units. Threshold for entering the national top 1% in 2015 was $421,926.
Source: Authors’ analysis of state-level tax data from Sommeiller 2006 extended to 2015 using state-level data from the Internal Revenue Service SOI Tax Stats (various years) and Piketty and Saez 2016