美國健康保險覆蓋率
各州無醫療保險覆蓋比率

美國普查局定期進行當前人口調查（英语：）（CPS），其中包括對美國醫療保險覆蓋的估計。這種數據每年在《年度社會和經濟補充報告》（Annual Social and Economic Supplement，ASEC）中發布。以下是1999年至2014年的數據。截至2012年，無保險覆蓋百分比最高的五個州依序為德克薩斯州、內華達州、新墨西哥州、佛羅里達州、和阿拉斯加州。同一年無保險覆蓋百分比最低的五個州/地區依序為麻薩諸塞州、佛蒙特州、夏威夷州、華盛頓哥倫比亞特區、和康乃狄克州。以下是每年的排名。
| Division | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 美國 | 13.6 | 13.1 | 13.5 | 13.9 | 14.6 | 14.3 | 14.6 | 15.2 | 14.7 | 14.9 | 16.1 | 16.3 | 15.7 | 15.4 | 14.5 | 11.7 |
| 阿拉巴馬州 | 12.0 | 12.5 | 12.4 | 12.2 | 12.5 | 12.0 | 14.0 | 15.1 | 11.7 | 11.5 | 16.4 | 15.5 | 13.0 | 14.8 | 13.6 | 12.1 |
| 阿拉斯加州 | 18.3 | 17.4 | 14.8 | 18.0 | 17.5 | 15.3 | 16.9 | 16.4 | 17.6 | 19.6 | 17.2 | 18.1 | 18.2 | 19.0 | 18.5 | 17.2 |
| 亞利桑那州 | 19.4 | 16.4 | 16.7 | 16.4 | 16.4 | 16.2 | 19.1 | 20.8 | 17.8 | 19.1 | 18.9 | 19.1 | 17.3 | 18.0 | 17.1 | 13.6 |
| 阿肯色州 | 13.9 | 14.1 | 16.4 | 16.5 | 17.2 | 15.9 | 17.2 | 18.6 | 15.7 | 17.6 | 19.0 | 18.5 | 17.5 | 18.4 | 16.0 | 11.8 |
| 加利福尼亞州 | 19.0 | 17.5 | 18.0 | 16.5 | 17.3 | 17.5 | 18.0 | 17.8 | 17.5 | 18.1 | 19.3 | 19.4 | 19.7 | 17.9 | 17.2 | 12.4 |
| 科羅拉多州 | 14.1 | 12.9 | 14.6 | 14.5 | 15.3 | 15.2 | 16.2 | 16.5 | 16.0 | 15.4 | 14.5 | 12.9 | 15.7 | 13.7 | 14.1 | 10.3 |
| 康乃狄克州 | 7.3 | 8.9 | 8.2 | 8.6 | 9.4 | 10.3 | 10.1 | 8.7 | 8.6 | 9.4 | 11.1 | 11.2 | 8.6 | 8.1 | 9.4 | 6.9 |
| 德拉瓦州 | 9.7 | 8.5 | 8.5 | 9.2 | 9.6 | 13.1 | 11.6 | 11.9 | 10.6 | 10.7 | 13.0 | 11.3 | 10.0 | 10.8 | 9.1 | 7.8 |
| 華盛頓哥倫比亞特區 | 14.0 | 12.8 | 12.3 | 13.0 | 12.7 | 12.0 | 12.4 | 10.9 | 9.3 | 9.4 | 12.4 | 12.8 | 8.4 | 7.9 | 6.7 | 5.3 |
| 佛羅里達州 | 17.4 | 16.2 | 16.9 | 15.6 | 17.0 | 18.3 | 19.5 | 20.3 | 19.8 | 19.4 | 21.7 | 20.7 | 19.8 | 21.5 | 20.0 | 16.6 |
| 喬治亞州 | 14.2 | 13.9 | 14.7 | 14.6 | 15.2 | 15.7 | 17.9 | 17.3 | 17.2 | 17.1 | 20.5 | 19.5 | 19.2 | 19.2 | 18.8 | 15.8 |
| 夏威夷州 | 9.2 | 7.9 | 8.2 | 8.8 | 8.6 | 8.5 | 8.1 | 7.9 | 6.9 | 7.3 | 7.4 | 7.7 | 7.8 | 7.7 | 6.7 | 5.3 |
| 愛達荷州 | 18.2 | 15.4 | 15.7 | 16.9 | 17.7 | 14.5 | 14.4 | 15.1 | 13.6 | 15.4 | 15.1 | 19.1 | 16.9 | 15.9 | 16.2 | 13.6 |
| 伊利諾伊州 | 11.9 | 12.0 | 11.8 | 12.4 | 13.8 | 12.5 | 13.2 | 13.5 | 13.0 | 12.2 | 14.2 | 14.8 | 14.7 | 13.6 | 12.7 | 9.7 |
| 印第安納州 | 8.9 | 10.1 | 10.1 | 11.5 | 12.2 | 12.4 | 13.1 | 11.3 | 11.0 | 11.3 | 13.7 | 13.4 | 12.0 | 13.4 | 14.0 | 11.9 |
| 愛荷華州 | 7.8 | 8.1 | 6.8 | 9.0 | 10.4 | 8.8 | 8.1 | 9.9 | 8.8 | 9.0 | 10.8 | 12.2 | 10.0 | 10.1 | 8.1 | 6.2 |
| 堪薩斯州 | 11.2 | 9.6 | 9.8 | 9.4 | 10.1 | 10.6 | 10.0 | 12.1 | 12.4 | 11.8 | 12.8 | 12.6 | 13.5 | 12.6 | 12.3 | 10.2 |
| 肯塔基州 | 12.9 | 12.7 | 11.6 | 12.7 | 13.7 | 13.9 | 11.7 | 15.2 | 13.4 | 15.7 | 15.9 | 14.8 | 14.4 | 15.7 | 14.3 | 8.5 |
| 路易斯安那州 | 20.9 | 16.8 | 17.8 | 17.2 | 19.0 | 17.0 | 16.9 | 21.1 | 18.0 | 19.5 | 14.5 | 19.8 | 20.8 | 18.3 | 16.6 | 8.5 |
| 緬因州 | 9.2 | 10.4 | 10.2 | 10.4 | 9.6 | 9.3 | 9.8 | 8.9 | 8.5 | 10.2 | 10.0 | 9.3 | 10.0 | 9.5 | 11.2 | 10.1 |
| 馬里蘭州 | 10.0 | 9.0 | 11.0 | 11.7 | 12.2 | 11.9 | 13.1 | 13.2 | 12.7 | 11.4 | 13.3 | 12.8 | 13.8 | 12.4 | 10.2 | 7.9 |
| 麻薩諸塞州 | 7.8 | 7.1 | 6.9 | 9.5 | 10.1 | 9.8 | 8.6 | 9.6 | 4.9 | 5.0 | 4.3 | 5.5 | 3.4 | 4.1 | 3.7 | 3.3 |
| 密西根州 | 9.0 | 7.8 | 9.0 | 9.8 | 9.3 | 10.2 | 9.5 | 10.1 | 10.8 | 11.5 | 13.0 | 13.0 | 12.5 | 10.9 | 11.0 | 8.5 |
| 明尼蘇達州 | 6.6 | 8.0 | 6.9 | 7.9 | 8.7 | 8.3 | 7.6 | 8.9 | 8.0 | 8.2 | 8.0 | 9.7 | 9.2 | 8.3 | 8.2 | 5.9 |
| 密西西比州 | 15.7 | 13.2 | 17.0 | 16.2 | 17.5 | 16.9 | 16.5 | 20.3 | 18.4 | 17.7 | 17.3 | 21.0 | 16.2 | 15.3 | 17.1 | 14.5 |
| 密蘇里州 | 6.6 | 8.6 | 9.7 | 10.8 | 9.9 | 11.0 | 11.4 | 13.1 | 12.2 | 12.4 | 14.6 | 13.9 | 14.9 | 13.3 | 13.0 | 11.7 |
| 蒙大拿州 | 17.3 | 16.1 | 13.8 | 14.3 | 18.9 | 17.5 | 15.5 | 16.9 | 15.0 | 15.7 | 15.1 | 18.2 | 18.3 | 18.1 | 16.5 | 14.2 |
| 內布拉斯加州 | 9.0 | 7.9 | 7.9 | 9.3 | 10.1 | 10.3 | 9.8 | 12.0 | 13.0 | 11.1 | 11.1 | 13.2 | 12.3 | 13.3 | 11.3 | 9.7 |
| 內華達州 | 18.3 | 15.7 | 14.5 | 18.4 | 17.6 | 18.2 | 16.5 | 18.6 | 16.9 | 18.1 | 20.6 | 21.4 | 22.6 | 23.5 | 20.7 | 15.2 |
| 新罕布什爾州 | 7.7 | 7.9 | 9.7 | 8.8 | 9.3 | 8.7 | 9.1 | 10.8 | 9.9 | 10.1 | 9.8 | 10.1 | 12.5 | 12.0 | 10.7 | 9.2 |
| 新澤西州 | 11.1 | 10.2 | 11.6 | 12.0 | 12.8 | 12.6 | 13.7 | 14.8 | 14.6 | 13.2 | 14.5 | 15.6 | 15.4 | 14.0 | 13.2 | 10.9 |
| 新墨西哥州 | 24.0 | 23.0 | 19.6 | 20.0 | 21.3 | 19.3 | 20.2 | 22.7 | 21.8 | 22.8 | 20.9 | 21.4 | 19.6 | 21.9 | 18.6 | 14.5 |
| 紐約州 | 14.4 | 14.5 | 13.9 | 14.0 | 14.3 | 11.8 | 12.1 | 13.4 | 12.3 | 13.4 | 14.1 | 15.1 | 12.2 | 11.3 | 10.7 | 8.7 |
| 北卡羅來納州 | 12.5 | 12.1 | 13.3 | 15.9 | 16.7 | 14.2 | 14.5 | 17.4 | 16.2 | 15.1 | 17.8 | 17.1 | 16.3 | 17.2 | 15.6 | 13.1 |
| 北達科他州 | 10.2 | 9.8 | 8.0 | 9.7 | 10.3 | 10.0 | 10.8 | 11.8 | 9.5 | 11.6 | 10.3 | 13.4 | 9.1 | 11.5 | 10.4 | 7.9 |
| 俄亥俄州 | 9.9 | 9.8 | 9.9 | 10.4 | 11.1 | 10.3 | 11.0 | 9.6 | 11.1 | 11.2 | 13.8 | 13.6 | 13.7 | 12.3 | 11.0 | 8.4 |
| 奧克拉荷馬州 | 15.4 | 17.4 | 17.2 | 16.7 | 19.1 | 18.7 | 17.7 | 18.8 | 17.6 | 13.8 | 17.9 | 17.3 | 16.9 | 17.2 | 17.7 | 15.4 |
| 俄勒岡州 | 14.2 | 11.6 | 12.7 | 14.3 | 16.0 | 15.4 | 15.3 | 17.5 | 16.2 | 15.9 | 17.3 | 16.0 | 13.8 | 15.4 | 14.7 | 9.7 |
| 賓夕法尼亞州 | 7.8 | 7.6 | 8.4 | 10.2 | 10.0 | 10.1 | 9.3 | 9.4 | 9.1 | 9.6 | 10.9 | 10.9 | 10.8 | 12.0 | 9.7 | 8.5 |
| 羅德島州 | 5.9 | 6.9 | 7.7 | 8.1 | 10.4 | 10.0 | 10.7 | 8.1 | 10.5 | 11.0 | 12.0 | 11.5 | 12.0 | 12.3 | 11.6 | 7.4 |
| 南卡羅來納州 | 14.8 | 10.7 | 11.1 | 11.1 | 13.1 | 14.9 | 16.3 | 15.3 | 15.9 | 15.5 | 16.8 | 20.5 | 19.0 | 14.3 | 15.8 | 13.6 |
| 南達科他州 | 10.1 | 10.8 | 8.3 | 10.8 | 10.6 | 11.0 | 11.5 | 11.5 | 9.9 | 12.2 | 13.1 | 13.1 | 13.0 | 14.4 | 11.3 | 9.8 |
| 田納西州 | 9.3 | 10.7 | 10.1 | 9.8 | 12.2 | 12.4 | 13.4 | 13.2 | 14.0 | 14.5 | 15.0 | 14.6 | 13.3 | 13.9 | 13.9 | 12.0 |
| 德克薩斯州 | 21.1 | 22.0 | 22.4 | 24.5 | 23.6 | 23.6 | 22.9 | 23.9 | 24.7 | 24.5 | 25.5 | 24.6 | 23.8 | 24.6 | 22.1 | 19.1 |
| 猶他州 | 11.9 | 10.8 | 13.8 | 12.1 | 11.5 | 12.8 | 15.5 | 16.7 | 12.2 | 12.0 | 14.1 | 13.8 | 14.6 | 14.4 | 14.0 | 12.5 |
| 佛蒙特州 | 10.1 | 7.4 | 8.8 | 8.9 | 8.4 | 9.8 | 11.2 | 9.8 | 10.1 | 9.3 | 9.4 | 9.3 | 8.6 | 7.0 | 7.2 | 5.0 |
| 維吉尼亞州 | 11.3 | 9.6 | 9.8 | 11.8 | 11.5 | 13.0 | 12.3 | 12.5 | 14.2 | 11.8 | 12.6 | 14.0 | 13.4 | 12.5 | 12.3 | 10.9 |
| 華盛頓州 | 12.2 | 13.1 | 13.3 | 12.3 | 14.8 | 12.5 | 12.5 | 11.5 | 11.0 | 12.0 | 12.6 | 13.9 | 14.5 | 13.6 | 14.0 | 9.2 |
| 西維吉尼亞州 | 14.9 | 13.4 | 12.9 | 13.8 | 16.8 | 15.7 | 16.5 | 13.3 | 13.7 | 14.5 | 13.7 | 13.4 | 14.9 | 14.6 | 14.0 | 8.6 |
| 威斯康辛州 | 9.7 | 7.1 | 7.3 | 8.6 | 9.8 | 10.3 | 8.8 | 8.0 | 8.0 | 9.2 | 8.9 | 9.4 | 10.4 | 9.7 | 9.1 | 7.3 |
| 懷俄明州 | 14.5 | 14.7 | 14.1 | 14.8 | 14.8 | 12.3 | 14.4 | 14.2 | 13.2 | 13.3 | 15.4 | 17.2 | 17.8 | 15.4 | 13.4 | 12.0 |