More than four fifths of children in the state capital of Wisconsin is covered by private health insurance, the best percentage among the nation's 100 largest metropolitan areas. Just 17. 9 percent of children in Madison, are not covered by private health insurance, according to a preliminary analysis of the opening of Buffalo new data the U.S. Census Bureau. The Bureau estimates that the area of Madison has 123,700 people under the age of 18. Private insurers covering 101,600, leaving 22,100 under an insurance program of the government or without health insurance of any kind. Madison is right behind Honolulu, where only 18. 4 percent of children are not under the aegis of private health insurance, Ogden, Utah, at age 19. 4 percent, and Minneapolis-St. Paul to 19. 9 percent open. Milwaukee was among the 38 largest metropolitan with 29. 4 percent of children not covered by private insurance. Two metropolitan Texas border with Mexico have the worst rates in the country. More than three quarters of children in McAllen-Edinburg – 77. 0 per cent – are not covered by private health insurance. The corresponding figure in the area of El Paso is 63. 5 percent. Buffalo 39 degrees in the top 100 markets, with 29. 7 percent of children not covered by private insurers. (The Buffalo area consists of Erie and Niagara Counties.) The median for the entire study group was 31. 3 percent in the open. Business First analyzed the recently published data from the Census Bureau's American Community Survey, which generates the statistics in the years between the number of the Bureau decennial head. The following are the nation's 100 largest metropolitan areas, listed according to the percentage of children who are not covered by private health insurance. Metros are listed from lowest to highest percentage of people under the age of 18 found: * Madison, Wisconsin, 17. 9% * Honolulu, 18. 4% * Ogden, Utah, 19. 4% * Minneapolis-St. Paul, 19. 9% * Worcester, Mass., 20. 4% * Albany, N. Y., 20. 9% * Boston, 20. 9% * Bridgeport, Stamford, Conn., 21. 5% * Washington, 21. 9% * Poughkeepsie, N. Y., 22. 3% * San Jose, 22. 9% * Des Moines, Iowa, 24. 1% * Omaha, 24. 1% * Hartford, 24. 8% * Salt Lake City, 24. 8% * Virginia Beach-Norfolk, 25. 0% * Colorado Springs, 25. 1% * San Francisco-Oakland, 25. 1% * Cincinnati, 25. 2% * Harrisburg, Pennsylvania, 25. 5% * Allentown-Bethlehem, Pennsylvania, 25. 6% * Provo, Utah, 26. 1% * Seattle, 26. 2% * Portland, Maine, 26. 3% * Richmond, 26. 5% * Philadelphia, 26. 7% * Baltimore, 26. 9% * Akron, Ohio, 27. 0% * Portland, Oregon, 27. 0% * Kansas City, 27. 4% * St. Louis, 27. 4% * Providence, 27. 7% * Rochester, N. Y., 27. 8% * Pittsburgh, 27. 9% * Syracuse, N. Y., 28. 0% * Louisville, 28. 1% * Colombo, 28. 3% * Milwaukee, 29. 4% * Buffalo, 29. 7% * New Haven, Connecticut, 29. 7% * Knoxville, Tennessee, 29. 8% * Grand Rapids, 29. 9% * Raleigh, 29. 9% * Nashville, 30. 0% * Indianapolis, 30. 4% * Dayton, 30. 5% * Cleveland, 30. 6% * Wichita, Kansas. , 30. 7% * Denver, 31. 0% * Scranton-Wilkes-Barre, Pennsylvania, 31. 1% * Springfield, Mass., 31. 4% * Columbia, S. C., 31. 9% * Las Vegas, 32. 1% * Oxnard-Thousand Oaks, California, 32. 1% * Toledo, Ohio, 32. 2% * Sacramento, 32. 5% * New York City, 32. 6% * Birmingham, 32. 7% * Detroit, 32. 8% * Charlotte, 33. 3% * Boise, Idaho, 33. 4% * Jacksonville, 33. 5% * Chicago, 33. 7% * San Diego, 35. 0% * Charleston, S. C., 35. 3% * Austin, 35. 7% * Chattanooga, Tennessee, 35. 9% * Orlando, 36. 6% * Atlanta, 37. 0% * Youngstown, Ohio, 37. 2% * Greenville, S. C., 37. 8% * Palm Bay-Melbourne, Florida, 38. 2% * Tampa-St. Petersburg, 39. 3% * Tulsa, 39. 5% * Phoenix, 40. 3% * Greensboro, 40. 8% * Stockton, California, 40. 9% * Memphis, 41. 1% * Sarasota-Bradenton, Florida, 42. 3% * Dallas-Fort Worth, 42. 3% * Oklahoma City, 42. 4% * Riverside-San Bernardino, California, 42. 9% * Albuquerque, 43. 0% * Miami-Fort Lauderdale, 43. 6% * San Antonio, 43. 7% * Cape Coral-Fort Myers, Florida, 44. 3% * Jackson, Mississippi, 44. 5% * Los Angeles, 44. 5% * New Orleans, 44. 8% * Houston, 45. 0% * Tucson, 45. 3% * Augusta, Ga., 46. 0% * Little Rock, Ark., 46. 0% * Baton Rouge, La., 46. 7% * Bakersfield, California, 49. 8% * Lakeland, Florida, 50. 7% * San Juan, P. R., 51. 9% * Fresno, California, 56. 4% * El Paso, Texas, 63. 5% * McAllen-Edinburg, Texas, 77. 0%