Editing Clayton County, Iowa (section)

==Communities==

===Cities===
{{Div col|colwidth=15em}}
*[[Clayton, Iowa|Clayton]]
*[[Edgewood, Iowa|Edgewood]]
*[[Elkader, Iowa|Elkader]]
*[[Elkport, Iowa|Elkport]]
*[[Farmersburg, Iowa|Farmersburg]]
*[[Garber, Iowa|Garber]]
*[[Garnavillo, Iowa|Garnavillo]]
*[[Guttenberg, Iowa|Guttenberg]]
*[[Luana, Iowa|Luana]]
*[[Marquette, Iowa|Marquette]]
*[[McGregor, Iowa|McGregor]]
*[[Monona, Iowa|Monona]]
*[[North Buena Vista, Iowa|North Buena Vista]]
*[[Osterdock, Iowa|Osterdock]]
*[[Postville, Iowa|Postville]]
*[[St. Olaf, Iowa|St. Olaf]]
*[[Strawberry Point, Iowa|Strawberry Point]]
*[[Volga, Iowa|Volga]]
{{div col end}}

===Unincorporated communities===
{{Div col|colwidth=15em}}
*[[Beulah, Iowa|Beulah]]
*[[Ceres, Iowa|Ceres]]
*[[Clayton Center, Iowa|Clayton Center]]
*[[Communia, Iowa|Communia]]
*[[Eckards, Iowa|Eckards]]
*[[Fairview, Iowa|Fairview]]
*[[Froelich, Iowa|Froelich]]
*[[Giard, Iowa|Giard]]
*[[Gunder, Iowa|Gunder]]
*[[Hardin, Iowa|Hardin]]
*[[Highland, Iowa|Highland]]
*[[Littleport, Iowa|Littleport]]
*[[McGregor Heights, Iowa|McGregor Heights]]
*[[Mederville, Iowa|Mederville]]
*[[Millville, Iowa|Millville]]
*[[Motor, Iowa|Motor]]
*[[Osborne, Iowa|Osborne]]
*[[Saint Sebald, Iowa|Saint Sebald]]
*[[Thomasville, Iowa|Thomasville]]
*[[Turkey River, Iowa|Turkey River]]
*[[Updegraff, Iowa|Updegraff]]
*[[Watson, Iowa|Watson]]
*[[Wood, Iowa|Wood]]
{{div col end}}

===Townships===
Clayton County is divided into these [[civil township|townships]]:
{{Div col|colwidth=14em}}
* [[Boardman Township, Clayton County, Iowa|Boardman]]
* [[Buena Vista Township, Clayton County, Iowa|Buena Vista]]
* [[Cass Township, Clayton County, Iowa|Cass]]
* [[Clayton Township, Clayton County, Iowa|Clayton]]
* [[Cox Creek Township, Clayton County, Iowa|Cox Creek]]
* [[Elk Township, Clayton County, Iowa|Elk]]
* [[Farmersburg Township, Clayton County, Iowa|Farmersburg]]
* [[Garnavillo Township, Clayton County, Iowa|Garnavillo]]
* [[Giard Township, Clayton County, Iowa|Giard]]
* [[Grand Meadow Township, Clayton County, Iowa|Grand Meadow]]
* [[Highland Township, Clayton County, Iowa|Highland]]
* [[Jefferson Township, Clayton County, Iowa|Jefferson]]
* [[Lodomillo Township, Clayton County, Iowa|Lodomillo]]
* [[Mallory Township, Clayton County, Iowa|Mallory]]
* [[Marion Township, Clayton County, Iowa|Marion]]
* [[Mendon Township, Clayton County, Iowa|Mendon]]
* [[Millville Township, Clayton County, Iowa|Millville]]
* [[Monona Township, Clayton County, Iowa|Monona]]
* [[Read Township, Clayton County, Iowa|Read]]
* [[Sperry Township, Clayton County, Iowa|Sperry]]
* [[Volga Township, Clayton County, Iowa|Volga]]
* [[Wagner Township, Clayton County, Iowa|Wagner]]
{{div col end}}

===Population ranking===
The population ranking of the following table is based on the [[2020 United States census|2020 census]] of Clayton County.<ref name=cen2020/>

'''†''' ''county seat''

{| class="wikitable sortable"
|-
!Rank
!City/Town/etc.
!Population (2020 Census)

|- style="background-color:#FFFACD;"
| 1
|'''[[Postville, Iowa|Postville]]''' (''partially in [[Allamakee County, Iowa|Allamakee County]]'')
| 2,503
|- style="background-color:#FFFACD;"
| 2
|'''[[Guttenberg, Iowa|Guttenberg]]''' 
| 1,817
|- style="background-color:#FFFACD;"
| 3
|'''[[Monona, Iowa|Monona]]''' 
| 1,471
|- style="background-color:#FFFACD;"
| 4
|'''†''' '''[[Elkader, Iowa|Elkader]]''' 
| 1,209
|- style="background-color:#FFFACD;"
| 5
|'''[[Strawberry Point, Iowa|Strawberry Point]]''' 
| 1,155
|- style="background-color:#FFFACD;"
| 6
|'''[[Edgewood, Iowa|Edgewood]]''' (''partially in [[Delaware County, Iowa|Delaware County]]'')
| 909
|- style="background-color:#FFFACD;"
| 7
|'''[[Garnavillo, Iowa|Garnavillo]]''' 
| 763
|- style="background-color:#FFFACD;"
| 8
|'''[[McGregor, Iowa|McGregor]]''' 
| 742
|- style="background-color:#FFFACD;"
| 9
|'''[[Marquette, Iowa|Marquette]]''' 
| 429
|- style="background-color:#FFFACD;"
| 10
|'''[[Luana, Iowa|Luana]]''' 
| 301
|- style="background-color:#FFFACD;"
| 11
|'''[[Farmersburg, Iowa|Farmersburg]]''' 
| 271
|- style="background-color:#FFFACD;"
| 12
|'''[[Volga, Iowa|Volga]]''' 
| 203
|- style="background-color:#FFFACD;"
| 13
|'''[[North Buena Vista, Iowa|North Buena Vista]]''' 
| 109
|- style="background-color:#FFFACD;"
| 14
|'''[[St. Olaf, Iowa|St. Olaf]]''' 
| 106
|- style="background-color:#FFFACD;"
| 15
|'''[[Garber, Iowa|Garber]]''' 
| 76
|- style="background-color:#FFFACD;"
| 16
|'''[[Clayton, Iowa|Clayton]]''' 
| 45
|- style="background-color:#FFFACD;"
| 17
|'''[[Osterdock, Iowa|Osterdock]]''' 
| 43
|- style="background-color:#FFFACD;"
| 18
|'''[[Elkport, Iowa|Elkport]]''' 
| 29
|}