(CO-99-2) County Population Estimates for July 1, 1999 and Population Change for April 1, 1990 to July 1, 1999 (includes revised April 1, 1990 Population Estimates Base) Source: Population Estimates Program, Population Division, U.S. Census Bureau, Washington, DC 20233 Contact: Demographic Call Center Staff, 1-866-758-1060 Internet Release Date: March 9, 2000 4/1/90 Numeric Percent Population Population Population 7/1/99 Estimates Change Change FIPS State/County Code and Area Name Estimate Base 1990-99 1990-99 24 Maryland........................... 5,171,634 4,780,753 390,881 8.2 24001 Allegany County, MD................ 71,162 74,946 -3,784 -5.0 24003 Anne Arundel County, MD............ 480,483 427,239 53,244 12.5 24005 Baltimore County, MD............... 723,914 692,134 31,780 4.6 24009 Calvert County, MD................. 73,748 51,372 22,376 43.6 24011 Caroline County, MD................ 29,708 27,035 2,673 9.9 24013 Carroll County, MD................. 152,468 123,372 29,096 23.6 24015 Cecil County, MD................... 84,238 71,347 12,891 18.1 24017 Charles County, MD................. 120,946 101,154 19,792 19.6 24019 Dorchester County, MD.............. 29,709 30,236 -527 -1.7 24021 Frederick County, MD............... 190,869 150,208 40,661 27.1 24023 Garrett County, MD................. 29,389 28,138 1,251 4.4 24025 Harford County, MD................. 217,908 182,132 35,776 19.6 24027 Howard County, MD.................. 243,112 187,328 55,784 29.8 24029 Kent County, MD.................... 19,089 17,842 1,247 7.0 24031 Montgomery County, MD.............. 852,174 762,875 89,299 11.7 24033 Prince George's County, MD......... 781,781 722,705 59,076 8.2 24035 Queen Anne's County, MD............ 40,688 33,953 6,735 19.8 24037 St. Mary's County, MD.............. 88,758 75,974 12,784 16.8 24039 Somerset County, MD................ 24,236 23,440 796 3.4 24041 Talbot County, MD.................. 33,550 30,549 3,001 9.8 24043 Washington County, MD.............. 127,791 121,393 6,398 5.3 24045 Wicomico County, MD................ 79,560 74,339 5,221 7.0 24047 Worcester County, MD............... 43,672 35,028 8,644 24.7 24510 Baltimore city, MD................. 632,681 736,014 -103,333 -14.0