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Iowa County Map Post Cover

Iowa County Map and Population List in Excel

GENERAL INFO

The US state Iowa (IA) is the 31st largest state by population and 26th biggest state by area. Iowa has 99 counties ranking it the 9th state with the most counties in USA. See below some basic information about the state:

Country:United States
State:Iowa
Abbreviation:IA
Capital:Des Moines
Largest City:Des Moines
Population:3,155,070
Population rank in US:31st
Total Area [mi²]:56,271
Total Area [km²]:145,750
Area rank in US:26th
Number of Counties:99

IOWA COUNTY POPULATION DENSITY MAP

If you want to show data distributon per geographical area, density maps (or heat maps) are a great way to achieve this. For example, here is a Iowa Population Density Map per County:

Iowa County Population Density Map

We have prepared this easily with Iowa County Heat Map Generator for population info. But it can also be used for many different data types such as employment rate, average temperature, racial distribution and so on.

We have prepared this easily with Iowa County Heat Map Generator for population info. But it can also be used for many different data types such as employment rate, average temperature, racial distribution and so on.

IOWA COUNTIES LIST

Below are 99 Iowa counties ranked by population information. The data is from the US Census Bureau. Note that, these are ZCTA (Zip Code Tabulation Area) codes which means they have geographical area and population. PO Boxes and military codes are excluded.You can copy and paste this list directly into your spreadsheet.
(Top 10 counties shown. To expand the list, simply click on the “show more” button)

RankCountyPopulation
1Polk County490,161
2Linn County226,706
3Scott County172,943
4Johnson County151,140
5Black Hawk County131,228
6Woodbury County103,107
7Dubuque County97,311
8Story County97,117
9Dallas County93,453
10Pottawattamie County93,206
11Warren County51,466
12Clinton County46,429
13Muscatine County42,664
14Cerro Gordo County42,450
15Marshall County39,369
16Des Moines County38,967
17Jasper County37,185
18Webster County35,904
19Wapello County34,969
20Sioux County34,855
21Lee County33,657
22Marion County33,253
23Boone County26,234
24Benton County25,645
25Plymouth County25,177
26Bremer County25,062
27Mahaska County22,095
28Washington County21,965
29Buchanan County21,175
30Jones County20,681
31Carroll County20,165
32Winneshiek County19,991
33Henry County19,954
34Fayette County19,650
35Buena Vista County19,620
36Jackson County19,439
37Cedar County18,627
38Poweshiek County18,504
39Jefferson County18,295
40Clayton County17,549
41Dickinson County17,258
42Delaware County17,011
43Tama County16,854
44Hardin County16,846
45Crawford County16,820
46Madison County16,338
47Iowa County16,184
48Clay County16,016
49Floyd County15,642
50Mills County15,109
51Page County15,107
52Kossuth County14,813
53Hamilton County14,773
54Butler County14,439
55Harrison County14,049
56O'Brien County13,753
57Allamakee County13,687
58Cass County12,836
59Wright County12,562
60Appanoose County12,426
61Union County12,241
62Grundy County12,232
63Chickasaw County11,933
64Lyon County11,755
65Shelby County11,454
66Cherokee County11,235
67Louisa County11,035
68Guthrie County10,689
69Hancock County10,630
70Mitchell County10,586
71Winnebago County10,354
72Keokuk County10,246
73Franklin County10,070
74Montgomery County9,917
75Sac County9,721
76Calhoun County9,668
77Humboldt County9,558
78Clarke County9,395
79Emmet County9,208
80Howard County9,158
81Davis County9,000
82Greene County8,888
83Palo Alto County8,886
84Monona County8,615
85Lucas County8,600
86Decatur County7,870
87Monroe County7,707
88Worth County7,381
89Adair County7,152
90Van Buren County7,044
91Fremont County6,960
92Ida County6,860
93Pocahontas County6,619
94Wayne County6,441
95Taylor County6,121
96Osceola County5,958
97Audubon County5,496
98Ringgold County4,894
99Adams County3,602

FREQUENTLY ASKED QUESTIONS ABOUT IOWA COUNTIES

What is the largest county in Iowa?

Out of the 99 counties in Iowa, Polk County is the largest by population. Kossuth County is the largest by land area.

What is the smallest county in Iowa?

Adams County is the smallest Iowa county by population. Dickinson County is the smallest by size.

What is the richest county in the state of Iowa?

In terms of economics and average income level, Dallas County is the richest Iowa county.

What is the poorest county in Iowa?

Decatur County is the poorest Iowa county.

IOWA COUNTIES MAP PDF

We have prepared Iowa county density map by population as a downloadable PDF.

Iowa County Population Density MapYou can download the PDF for free from the link below:

Iowa County Density Map PDF

VIDEO: HOW TO PAINT IOWA COUNTY MAP WITH YOUR DATA

Check the video below to see how we use our Iowa County Map Excel Template to visualize any data over Iowa counties.

CREATE YOUR IOWA DENSITY MAP IN 3 STEPS!

We have built the easiest Iowa Heat Map Maker in the universe! It works fully in Excel:

Someka Heat Map Maker Step 1 Tin 1. DATA INPUT

Copy-Paste or input your values into our Excel template

Someka Heat Map Maker Step 2 Tin 2. SET OPTIONS

Customize the settings according to your preferences

Someka Heat Map Maker Step 3 Tin 3. CREATE YOUR MAP

Click the PAINT button to reflect your data onto the map

LINKS AND RESOURCES

Here is a list of useful links which we think can be helpful whether you work on data visualization or make research about Iowa state and Iowa counties.

Data Source for Population and many other US related data:
https://www.census.gov

Wikipedia Page for List of Iowa Counties:
https://en.wikipedia.org/wiki/List_of_counties_in_Iowa

Official Website of the State of Iowa:
https://www.iowa.gov

Are you looking for Iowa Zip Code map?:
Iowa Zip Code Heat Map Generator in Excel

Are you looking for Iowa Counties map?:
Iowa Counties Heat Map Generator in Excel