Source Data:  County Business Patterns, U.S. Census Bureau          
 
FIPS Area Name 2004 Population Estimate 2004 Supermarkets Persons per Supermarket 2004 Convenience Stores Persons per Convenience Store 2004 All Grocery Stores Persons per Grocery Store  
19000 Iowa 2,952,904 667 4,427 1,734 1,703 2,401 1,230  
19001 Adair 7,895 3 2,632 7 1,128 10 790  
19003 Adams 4,300 1 4,300 4 1,075 5 860  
19005 Allamakee 14,712 6 2,452 7 2,102 13 1,132  
19007 Appanoose 13,629 6 2,272 8 1,704 14 974  
19009 Audubon 6,484 3 2,161 4 1,621 7 926  
19011 Benton 26,747 5 5,349 11 2,432 16 1,672  
19013 Black Hawk 125,707 28 4,490 61 2,061 89 1,412  
19015 Boone 26,436 5 5,287 15 1,762 20 1,322  
19017 Bremer 23,525 3 7,842 14 1,680 17 1,384  
19019 Buchanan 21,009 4 5,252 17 1,236 21 1,000  
19021 Buena Vista 20,160 6 3,360 12 1,680 18 1,120  
19023 Butler 15,011 4 3,753 13 1,155 17 883  
19025 Calhoun 10,530 5 2,106 9 1,170 14 752  
19027 Carroll 20,993 7 2,999 13 1,615 20 1,050  
19029 Cass 14,279 6 2,380 7 2,040 13 1,098  
19031 Cedar 18,270 4 4,568 14 1,305 18 1,015  
19033 Cerro Gordo 44,836 8 5,605 31 1,446 39 1,150  
19035 Cherokee 12,414 3 4,138 9 1,379 12 1,035  
19037 Chickasaw 12,617 4 3,154 8 1,577 12 1,051  
19039 Clarke 9,263 2 4,632 9 1,029 11 842  
19041 Clay 16,955 4 4,239 7 2,422 11 1,541  
19043 Clayton 18,364 4 4,591 16 1,148 20 918  
19045 Clinton 49,789 11 4,526 30 1,660 41 1,214  
19047 Crawford 16,897 6 2,816 12 1,408 18 939  
19049 Dallas 49,455 5 9,891 29 1,705 34 1,455  
19051 Davis 8,676 1 8,676 6 1,446 7 1,239  
19053 Decatur 8,625 2 4,313 5 1,725 7 1,232  
19055 Delaware 18,067 4 4,517 14 1,291 18 1,004  
19057 Des Moines 40,840 7 5,834 23 1,776 30 1,361  
19059 Dickinson 16,580 3 5,527 10 1,658 13 1,275  
19061 Dubuque 91,079 15 6,072 57 1,598 72 1,265  
19063 Emmet 10,628 7 1,518 6 1,771 13 818  
19065 Fayette 21,243 2 10,622 16 1,328 18 1,180  
19067 Floyd 16,521 5 3,304 14 1,180 19 870  
19069 Franklin 10,725 2 5,363 7 1,532 9 1,192  
19071 Fremont 7,756 3 2,585 4 1,939 7 1,108  
19073 Greene 10,026 4 2,507 8 1,253 12 836  
19075 Grundy 12,364 4 3,091 6 2,061 10 1,236  
19077 Guthrie 11,550 4 2,888 9 1,283 13 888  
19079 Hamilton 16,230 5 3,246 10 1,623 15 1,082  
19081 Hancock 11,795 4 2,949 9 1,311 13 907  
19083 Hardin 18,169 6 3,028 14 1,298 20 908  
19085 Harrison 15,811 2 7,906 12 1,318 14 1,129  
19087 Henry 20,168 6 3,361 13 1,551 19 1,061  
19089 Howard 9,797 5 1,959 11 891 16 612  
19091 Humboldt 10,042 2 5,021 8 1,255 10 1,004  
19093 Ida 7,413 3 2,471 4 1,853 7 1,059  
19095 Iowa 15,979 3 5,326 14 1,141 17 940  
19097 Jackson 20,255 8 2,532 16 1,266 24 844  
19099 Jasper 37,696 8 4,712 24 1,571 32 1,178  
19101 Jefferson 16,021 3 5,340 10 1,602 13 1,232  
19103 Johnson 116,226 26 4,470 47 2,473 73 1,592  
19105 Jones 20,554 7 2,936 12 1,713 19 1,082  
19107 Keokuk 11,236 5 2,247 12 936 17 661  
19109 Kossuth 16,348 10 1,635 12 1,362 22 743  
19111 Lee 36,745 9 4,083 21 1,750 30 1,225  
19113 Linn 197,005 29 6,793 83 2,374 112 1,759  
19115 Louisa 12,041 3 4,014 6 2,007 9 1,338  
19117 Lucas 9,661 1 9,661 6 1,610 7 1,380  
19119 Lyon 11,750 7 1,679 7 1,679 14 839  
19121 Madison 14,905 2 7,453 9 1,656 11 1,355  
19123 Mahaska 22,111 5 4,422 19 1,164 24 921  
19125 Marion 32,691 6 5,449 21 1,557 27 1,211  
19127 Marshall 39,441 8 4,930 23 1,715 31 1,272  
19129 Mills 14,995 3 4,998 6 2,499 9 1,666  
19131 Mitchell 10,942 4 2,736 8 1,368 12 912  
19133 Monona 9,654 5 1,931 12 805 17 568  
19135 Monroe 7,848 3 2,616 9 872 12 654  
19137 Montgomery 11,310 3 3,770 6 1,885 9 1,257  
19139 Muscatine 42,358 9 4,706 23 1,842 32 1,324  
19141 O'Brien 14,428 7 2,061 13 1,110 20 721  
19143 Osceola 6,782 3 2,261 3 2,261 6 1,130  
19145 Page 16,236 5 3,247 11 1,476 16 1,015  
19147 Palo Alto 9,750 4 2,438 7 1,393 11 886  
19149 Plymouth 24,964 5 4,993 13 1,920 18 1,387  
19151 Pocahontas 8,077 4 2,019 5 1,615 9 897  
19153 Polk 394,031 61 6,460 172 2,291 233 1,691  
19155 Pottawattamie 89,208 15 5,947 50 1,784 65 1,372  
19157 Poweshiek 18,999 6 3,167 14 1,357 20 950  
19159 Ringgold 5,354 2 2,677 3 1,785 5 1,071  
19161 Sac 10,801 5 2,160 12 900 17 635  
19163 Scott 160,125 28 5,719 91 1,760 119 1,346  
19165 Shelby 12,771 5 2,554 13 982 18 710  
19167 Sioux 32,134 9 3,570 20 1,607 29 1,108  
19169 Story 80,239 13 6,172 39 2,057 52 1,543  
19171 Tama 17,926 6 2,988 13 1,379 19 943  
19173 Taylor 6,660 3 2,220 6 1,110 9 740  
19175 Union 11,985 3 3,995 9 1,332 12 999  
19177 Van Buren 7,739 5 1,548 7 1,106 12 645  
19179 Wapello 35,793 8 4,474 25 1,432 33 1,085  
19181 Warren 42,399 5 8,480 23 1,843 28 1,514  
19183 Washington 21,332 5 4,266 15 1,422 20 1,067  
19185 Wayne 6,601 4 1,650 7 943 11 600  
19187 Webster 39,186 5 7,837 28 1,400 33 1,187  
19189 Winnebago 11,402 6 1,900 9 1,267 15 760  
19191 Winneshiek 21,185 7 3,026 10 2,119 17 1,246  
19193 Woodbury 103,206 25 4,128 58 1,779 83 1,243  
19195 Worth 7,745 2 3,873 8 968 10 775  
19197 Wright 13,692 5 2,738 11 1,245 16 856