Breach, Data Security

State breakdowns: Anthem breach by the numbers

While a whopping 78.8 million consumers may have had personal information viewed by “hackers who had accessed our database,” an Anthem spokesperson confirmed in a statement emailed to on Thursday, about 60 to 70 million individuals are current or former Anthem members.

The remainder consists of current and former non-Anthem Blue Cross Blue Shield members “who used their Blue Cross and Blue Shield insurance in a state where Anthem operates over the last [ten] years.”

Here's a tally, broken down by state, of the number of people affected, based on recent reports:

  • Arkansas: About 39,000, according to Talk Business & Politics.
  • California: About 13.5 million, according to the Los Angeles Times.
  • Connecticut: 1,716,436, according to a release from Connecticut Attorney General George Jepsen.
  • Delaware: 62,051, according to a release from Delaware Insurance Commissioner Karen Weldin Stewart.
  • Georgia: 3,726,249, according to a release from Georgia Insurance Commissioner Ralph Hudgens.
  • Hawaii: About 18,000 Hawaii Medical Service Association (HSMA) members, according to a release from the Hawaii Department of Commerce and Consumer Affairs.
  • Illinois: About 215,000, according to the Chicago Tribune.
  • Iowa: 172,727, according to a release from Iowa Insurance Commissioner Nick Gerhart.
  • Kansas: 389,432, according to a release from Kansas Commissioner of Insurance Ken Selzer.
  • Louisiana: About 277,000, according to The Acadiana Advocate.
  • Maine: About 531,000, according to The Boston Globe.
  • Massachusetts: About 967,000, according to The Boston Globe.
  • Michigan: 636,075, according to
  • Minnesota: More than 300,000 – about 206,800 could have Social Security numbers at risk, and an additional 106,800 had other data compromised, according to a release from the Minnesota Department of Commerce.
  • Missouri: More than two million, according to a release from the Missouri Department of Insurance, Financial Institutions & Professional Registration.
  • Montana: Nearly 48,000, according to KGVO.
  • Nebraska: 104,795, according to an AP report posted by The State.
  • New Hampshire: About 667,866, according to New Hampshire Union Leader.
  • New Mexico: About 11,600 Blue Cross and Blue Shield of New Mexico members, according to Albuquerque Business First.
  • North Carolina: 775,606, according to The Charlotte Observer.
  • North Dakota: More than 27,000, according to a release from the North Dakota Insurance Department.
  • Pennsylvania: About 750,000, according to the Pittsburgh Post-Gazette.
  • Rhode Island: Nearly 80,000, according to NBC 10 News.
  • Vermont: More than 71,000, according to a Blue Cross Blue Shield of Vermont release.
  • Virginia: About 3.77 million, according to a release from Virginia Attorney General Mark Herring.
  • Wyoming: More than 53,000, according to a release from Wyoming Insurance Commissioner Tom Glause.

The Anthem spokesperson said in the statement that an investigation is ongoing. will continue to update this list as new state figures are made available.

UPDATE: The list was updated on Feb. 27 to include Delaware, Georgia, Iowa and Michigan.

UPDATE 2: This list was updated on March 6 to include Montana, Nebraska and Wyoming.

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