99 Counties — iowa

CountyTypePopulationLand area
adairCounty8,243569 sq mi
adamsCounty4,482424 sq mi
allamakeeCounty14,675640 sq mi
appanooseCounty13,721496 sq mi
audubonCounty6,830443 sq mi
bentonCounty25,308717 sq mi
black hawkCounty128,012567 sq mi
booneCounty26,224572 sq mi
bremerCounty23,325438 sq mi
buchananCounty21,093571 sq mi
buena vistaCounty20,411575 sq mi
butlerCounty15,305580 sq mi
calhounCounty11,115570 sq mi
carrollCounty21,421569 sq mi
cassCounty14,684564 sq mi
cedarCounty18,187580 sq mi
cerro gordoCounty46,447568 sq mi
cherokeeCounty13,035577 sq mi
chickasawCounty13,095505 sq mi
clarkeCounty9,133431 sq mi
clayCounty17,372569 sq mi
claytonCounty18,678779 sq mi
clintonCounty50,149695 sq mi
crawfordCounty16,942714 sq mi
dallasCounty40,750587 sq mi
davisCounty8,541503 sq mi
decaturCounty8,689532 sq mi
delawareCounty18,404578 sq mi
des moinesCounty42,351416 sq mi
dickinsonCounty16,424381 sq mi
dubuqueCounty89,143608 sq mi
emmetCounty11,027396 sq mi
fayetteCounty22,008731 sq mi
floydCounty16,900501 sq mi
franklinCounty10,704583 sq mi
fremontCounty8,010511 sq mi
greeneCounty10,366568 sq mi
grundyCounty12,369503 sq mi
guthrieCounty11,353591 sq mi
hamiltonCounty16,438577 sq mi
hancockCounty12,100571 sq mi
hardinCounty18,812569 sq mi
harrisonCounty15,666697 sq mi
henryCounty20,336435 sq mi
howardCounty9,932473 sq mi
humboldtCounty10,381434 sq mi
idaCounty7,837432 sq mi
iowaCounty15,671587 sq mi
jacksonCounty20,296636 sq mi
jasperCounty37,213730 sq mi
jeffersonCounty16,181435 sq mi
johnsonCounty111,006615 sq mi
jonesCounty20,221575 sq mi
keokukCounty11,400579 sq mi
kossuthCounty17,163973 sq mi
leeCounty38,052517 sq mi
linnCounty191,701718 sq mi
louisaCounty12,183402 sq mi
lucasCounty9,422431 sq mi
lyonCounty11,763588 sq mi
madisonCounty14,019561 sq mi
mahaskaCounty22,335571 sq mi
marionCounty32,052554 sq mi
marshallCounty39,311572 sq mi
millsCounty14,547437 sq mi
mitchellCounty10,874469 sq mi
mononaCounty10,020693 sq mi
monroeCounty8,016433 sq mi
montgomeryCounty11,771424 sq mi
muscatineCounty41,722439 sq mi
o'brienCounty15,102573 sq mi
osceolaCounty7,003399 sq mi
pageCounty16,976535 sq mi
palo altoCounty10,147564 sq mi
plymouthCounty24,849864 sq mi
pocahontasCounty8,662578 sq mi
polkCounty374,601570 sq mi
pottawattamieCounty87,704954 sq mi
poweshiekCounty18,815585 sq mi
ringgoldCounty5,469538 sq mi
sacCounty11,529576 sq mi
scottCounty158,668458 sq mi
shelbyCounty13,173591 sq mi
siouxCounty31,589768 sq mi
storyCounty79,981573 sq mi
tamaCounty18,103721 sq mi
taylorCounty6,958534 sq mi
unionCounty12,309424 sq mi
van burenCounty7,809485 sq mi
wapelloCounty36,051432 sq mi
warrenCounty40,671572 sq mi
washingtonCounty20,670569 sq mi
wayneCounty6,730526 sq mi
websterCounty40,235715 sq mi
winnebagoCounty11,723401 sq mi
winneshiekCounty21,310690 sq mi
woodburyCounty103,877873 sq mi
worthCounty7,909400 sq mi
wrightCounty14,334581 sq mi