Elderly Percentage of the Population, Historical

Source:  Decennial Census, U.S. Census Bureau
Units: Percentage of residents ages 65 years or older
Additional data:  Download historical data series (1930-2010) in Excel
 
FIPS Area Name 1970 1980 1990 2000 2010
19000 State of Iowa 11.4 12.3 14.3 13.9 14.9
19001 Adair 15.9 18.7 22.6 21.1 21.4
19003 Adams 16.0 17.8 20.7 20.4 21.3
19005 Allamakee 15.0 16.0 18.5 17.4 19.6
19007 Appanoose 17.9 17.6 20.4 19.0 20.1
19009 Audubon 14.5 17.6 22.1 22.5 23.2
19011 Benton 12.3 13.6 15.6 14.4 15.4
19013 Black Hawk 8.1 9.2 12.6 13.0 13.8
19015 Boone 15.2 15.4 17.0 15.4 15.9
19017 Bremer 11.1 12.1 15.7 15.0 17.3
19019 Buchanan 10.5 11.2 14.6 13.5 15.3
19021 Buena Vista 13.8 15.3 16.9 15.9 15.1
19023 Butler 13.4 15.5 19.5 19.1 19.8
19025 Calhoun 16.2 18.6 22.7 21.1 23.7
19027 Carroll 12.3 13.8 16.8 17.7 18.6
19029 Cass 16.2 17.8 19.9 19.8 21.0
19031 Cedar 13.0 13.6 15.9 15.2 16.7
19033 Cerro Gordo 11.8 13.4 15.9 16.7 17.9
19035 Cherokee 12.6 14.6 17.5 19.4 21.6
19037 Chickasaw 12.5 13.5 16.8 16.9 19.1
19039 Clarke 16.8 16.1 17.6 16.1 16.7
19041 Clay 12.1 12.7 15.5 17.0 18.4
19043 Clayton 13.9 15.3 17.1 17.5 19.3
19045 Clinton 10.5 11.9 15.0 14.8 16.8
19047 Crawford 12.1 13.0 16.4 16.1 16.3
19049 Dallas 12.6 12.0 13.6 10.1 9.8
19051 Davis 15.8 16.1 17.7 16.4 17.1
19053 Decatur 17.1 17.3 19.5 16.7 18.1
19055 Delaware 11.0 11.5 13.7 14.0 16.6
19057 Des Moines 12.2 13.1 15.2 15.7 17.6
19059 Dickinson 14.2 15.2 19.8 19.6 22.3
19061 Dubuque 9.0 10.1 13.1 13.7 15.3
19063 Emmet 12.2 13.7 17.9 18.4 18.8
19065 Fayette 13.4 15.3 18.2 18.0 19.4
19067 Floyd 12.7 14.4 18.6 18.2 20.0
19069 Franklin 14.8 16.2 19.0 19.5 19.1
19071 Fremont 15.8 17.5 20.6 18.8 19.6
19073 Greene 15.6 18.1 21.5 20.6 20.9
19075 Grundy 12.2 14.6 19.0 18.3 18.8
19077 Guthrie 17.5 18.8 20.0 19.5 19.9
19079 Hamilton 12.7 14.4 17.5 17.0 18.1
19081 Hancock 13.6 14.4 17.1 16.9 19.1
19083 Hardin 14.8 16.2 20.2 19.7 21.0
19085 Harrison 15.4 16.2 18.5 16.7 17.8
19087 Henry 13.3 14.3 15.5 13.7 16.0
19089 Howard 15.3 18.2 20.6 19.1 19.3
19091 Humboldt 12.7 15.5 20.0 20.0 20.6
19093 Ida 14.7 17.2 19.3 20.8 20.7
19095 Iowa 12.9 15.4 17.8 16.1 17.2
19097 Jackson 12.0 12.8 15.6 16.3 18.6
19099 Jasper 10.8 12.6 14.9 15.0 16.5
19101 Jefferson 13.3 14.0 13.7 12.8 14.8
19103 Johnson 6.0 6.1 6.4 6.4 8.6
19105 Jones 11.4 12.5 14.9 14.8 17.2
19107 Keokuk 16.9 19.0 19.7 19.2 19.2
19109 Kossuth 11.9 14.1 18.0 19.1 21.9
19111 Lee 11.8 12.7 15.7 15.5 16.9
19113 Linn 8.1 9.1 11.1 11.2 13.0
19115 Louisa 13.1 12.8 14.0 13.1 15.0
19117 Lucas 17.2 17.4 19.7 18.3 20.2
19119 Lyon 12.2 14.3 17.0 17.8 16.8
19121 Madison 16.0 16.1 17.0 14.2 14.8
19123 Mahaska 15.3 15.1 16.7 15.3 16.1
19125 Marion 14.0 13.4 15.1 14.9 15.6
19127 Marshall 11.3 12.9 16.5 15.4 16.4
19129 Mills 12.0 11.7 12.7 11.6 13.4
19131 Mitchell 15.1 17.7 20.8 20.6 21.7
19133 Monona 15.9 19.1 22.7 22.9 23.7
19135 Monroe 17.7 17.4 19.6 18.5 18.6
19137 Montgomery 18.0 18.7 20.8 19.3 19.9
19139 Muscatine 11.3 11.1 12.4 11.9 13.7
19141 Obrien 14.9 16.6 19.6 20.1 20.4
19143 Osceola 14.0 16.2 18.3 17.9 19.7
19145 Page 17.7 18.1 19.9 18.8 19.9
19147 Palo Alto 13.7 16.0 19.5 20.3 21.3
19149 Plymouth 11.2 13.4 15.3 15.0 16.6
19151 Pocahontas 14.7 17.4 20.8 20.7 22.1
19153 Polk 8.8 9.4 10.5 10.1 10.8
19155 Pottawattamie 9.6 10.6 12.4 12.7 14.3
19157 Poweshiek 12.5 13.9 15.7 16.6 18.4
19159 Ringgold 18.1 20.2 23.2 23.0 23.6
19161 Sac 15.2 17.9 20.9 21.7 22.1
19163 Scott 8.1 7.9 10.5 10.8 13.1
19165 Shelby 13.0 15.1 19.4 19.4 20.9
19167 Sioux 10.8 11.7 13.7 14.0 14.3
19169 Story 7.3 7.3 8.6 8.8 10.0
19171 Tama 14.4 16.0 18.4 17.7 18.4
19173 Taylor 20.3 20.3 23.1 21.4 21.0
19175 Union 17.1 16.9 18.3 17.7 18.1
19177 Van Buren 17.6 17.7 19.4 18.1 19.8
19179 Wapello 13.7 15.9 17.7 16.8 16.4
19181 Warren 8.2 8.2 9.9 10.8 13.3
19183 Washington 14.6 15.3 17.6 16.9 17.3
19185 Wayne 20.9 21.9 25.3 22.8 22.1
19187 Webster 11.5 13.7 16.6 16.4 16.7
19189 Winnebago 14.1 16.7 18.1 17.9 19.3
19191 Winneshiek 12.5 13.1 14.4 14.7 16.8
19193 Woodbury 11.5 12.3 13.7 12.4 12.8
19195 Worth 15.3 17.7 19.9 18.4 18.3
19197 Wright 14.2 17.1 21.1 20.2 20.9