Iowa (US)

IOWA COUNTIES AND COUNTY CODES NUMBERS
01-ADAIR
02-ADAMS
03-ALLAMAKEE
04-APPANOOSE
05-AUDUBON
06-BENTON
07-BLACK HAWK
08-BOONE
09-BREMER
10-BUCHANAN
11-BUENA VISTA
12-BUTLER
13-CALHOUN
14-CARROLL
15-CASS
16-CEDAR
17-CERRO GORDO
18-CHEROKEE
19-CHICKASAW
20-CLARKE
21-CLAY
22-CLAYTON
23-CLINTON
24-CRAWFORD
25-DALLAS
26-DAVIS
27-DECATUR
28-DELAWARE
29-DES MOINES
30-DICKINSON
31-DUBUQUE
32-EMMET
33-FAYETTE
34-FLOYD
35-FRANKLIN
36-FREMONT
37-GREENE
38-GRUNDY
39-GUTHRIE
40-HAMILTON
41-HANCOCK
42-HARDIN
43-HARRISON
44-HENRY
45-HOWARD
46-HUMBOLDT
47-IDA
48-IOWA
49-JACKSON
50-JASPER
51-JEFFERSON
52-JOHNSON
53-JONES
54-KEOKUK
55-KOSSUTH
56-LEE
57-LINN
58-LOUISA
59-LUCAS
60-LYON
61-MADISON
62-MAHASKA
63-MARION
64-MARSHALL
65-MILLS
66-MITCHELL
67-MONONA
68-MONROE
69-MONTGOMERY
70-MUSCATINE
71-O’BRIEN
72-OSCEOLA
73-PAGE
74-PALO ALTO
75-PLYMOUTH
76-POCAHONTAS
77-POLK
78-POTTAWATTAMIE
79-POWESHIEK
80-RINGGOLD
81-SAC
82-SCOTT
83-SHELBY
84-SIOUX
85-STORY
86-TAMA
87-TAYLOR
88-UNION
89-VAN BUREN
90-WAPELLO
91-WARREN
92-WASHINGTON
93-WAYNE
94-WEBSTER
95-WINNEBAGO
96-WINNESHIEK
97-WOODBURY
98-WORTH
99-WRIGHT