(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 23 Maine.............................. 1,253,040 1,227,928 25,112 2.0 23001 Androscoggin County, ME............ 101,337 105,259 -3,922 -3.7 23003 Aroostook County, ME............... 75,836 86,936 -11,100 -12.8 23005 Cumberland County, ME.............. 256,437 243,135 13,302 5.5 23007 Franklin County, ME................ 28,797 29,008 -211 -0.7 23009 Hancock County, ME................. 49,670 46,948 2,722 5.8 23011 Kennebec County, ME................ 115,224 115,904 -680 -0.6 23013 Knox County, ME.................... 38,193 36,310 1,883 5.2 23015 Lincoln County, ME................. 31,947 30,357 1,590 5.2 23017 Oxford County, ME.................. 54,288 52,602 1,686 3.2 23019 Penobscot County, ME............... 144,432 146,601 -2,169 -1.5 23021 Piscataquis County, ME............. 18,077 18,653 -576 -3.1 23023 Sagadahoc County, ME............... 36,267 33,535 2,732 8.1 23025 Somerset County, ME................ 52,630 49,767 2,863 5.8 23027 Waldo County, ME................... 36,965 33,018 3,947 12.0 23029 Washington County, ME.............. 35,352 35,308 44 0.1 23031 York County, ME.................... 177,588 164,587 13,001 7.9