• county
  • FIPS 19085
  • Largest town: Missouri Valley

Harrison County, Iowa

Harrison County had 14,626 residents in the Census Vintage 2024 estimate, on 696.9 square miles of land. It ranks 53rd of 99 in Iowa by population and 14th by land area.

Population
14,626
#53 of 99 in Iowa · #2,115 in US
Area
696.9 sq mi
#14 of 99 in Iowa · #1,332 in US
Density
21 / sq mi
#70 of 99 in Iowa · #2,212 in US
Median household income
$63,139
#78 of 99 in Iowa · #1,548 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Harrison County within Iowa. Pin: Des Moines.

Harrison County population, land area and income

Harrison County had 14,626 residents in the Census Vintage 2024 estimate, on 696.9 square miles of land. It ranks 53rd of 99 in Iowa by population and 14th by land area. That works out to 21.0 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Iowa has 15,008 residents, about the same as Harrison County.

Its SAIPE 2023 median household income of $63,139 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

14,626

3144th1st

2115th of 3,144 (US)

Land area

697 sq mi

3144th1st

1332nd of 3,144 (US)

Density

21.0 / sq mi

3144th1st

2212th of 3,144 (US)

Median household income

$63,139

3143rd1st

1548th of 3,143 (US)

Rank within Iowa (99)

Population

14,626

99th1st

53rd of 99 (IA)

Land area

697 sq mi

99th1st

14th of 99 (IA)

Density

21.0 / sq mi

99th1st

70th of 99 (IA)

Median household income

$63,139

99th1st

78th of 99 (IA)

How Harrison County's population changed since 2020

Harrison County gained 59 residents between the July 2020 and July 2024 estimates, a rise of 0.4%. That ranks 36th of 99 in Iowa for growth. The median Iowa county changed by -0.6%, and the state as a whole by +1.6%.

Since the April 2020 estimates base, Harrison County recorded 664 births and 835 deaths, a natural change of -171. Net international migration added +14 and net domestic migration, people moving to or from other US counties, came to +211. The largest single component was domestic migration, which added 211 people.

14.6k202014.7k202114.6k202214.6k202314.6k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
664
Deaths
835
Net international migration
+14
Net domestic migration
+211
Change, July 2023 to July 2024
-12

Where Harrison County is

The Census internal point of Harrison County is at 41.688600, -95.827100. It sits in UTM zone 15N. The map shades Iowa's 99 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Harrison County outlined. Dots are towns of 1,000+ people with residents in it.

Monroe County: -2.9%Worth County: -1.7%Buena Vista County: +0.0%Jasper County: +0.8%Van Buren County: -0.0%Hardin County: -2.2%Ida County: -3.1%Marshall County: +0.8%Fayette County: -1.5%Ringgold County: -0.8%Wapello County: +1.0%Webster County: -0.2%Adams County: -2.8%Buchanan County: +0.6%Cerro Gordo County: -1.2%Lucas County: +1.6%Emmet County: -1.9%Floyd County: -3.8%Crawford County: -0.7%Linn County: +0.6%Montgomery County: -2.6%Polk County: +4.7%Cherokee County: +0.0%Bremer County: +1.3%Grundy County: +0.5%Adair County: -0.8%Cedar County: -1.4%Story County: +3.9%Mahaska County: -0.6%Davis County: +0.9%Clay County: +0.8%Johnson County: +4.6%Greene County: -1.0%Palo Alto County: -2.0%Benton County: +1.0%Cass County: -0.7%Wright County: -1.5%Audubon County: -2.1%Henry County: -5.3%Boone County: +0.1%Appanoose County: -1.4%Washington County: +0.4%Chickasaw County: -2.2%Poweshiek County: -0.9%Osceola County: -2.6%Wayne County: +1.8%Mitchell County: +0.4%Jefferson County: +0.5%Union County: -1.4%Butler County: -1.2%Hancock County: -1.3%Marion County: +1.9%Delaware County: +0.9%Humboldt County: +0.2%Sioux County: +1.8%Des Moines County: -1.1%O'Brien County: +0.8%Clayton County: -0.6%Black Hawk County: +1.0%Winnebago County: -2.6%Harrison County: +0.4%Decatur County: -1.0%Pocahontas County: -0.9%Lyon County: +3.8%Iowa County: -1.4%Franklin County: +0.3%Dickinson County: +2.2%Madison County: +3.2%Allamakee County: +0.8%Jones County: +2.2%Carroll County: -1.6%Kossuth County: -2.6%Hamilton County: -1.0%Howard County: -1.4%Page County: -1.1%Guthrie County: +1.5%Tama County: -1.8%Monona County: -3.6%Clarke County: -2.1%Lee County: -3.4%Mills County: +2.1%Sac County: -2.7%Scott County: +0.6%Keokuk County: -1.6%Jackson County: -0.3%Warren County: +7.1%Calhoun County: -1.9%Shelby County: +0.8%Fremont County: -1.1%Dubuque County: -0.1%Louisa County: -1.8%Taylor County: -0.6%Woodbury County: +1.2%Clinton County: -0.9%Winneshiek County: -1.6%Pottawattamie County: -0.1%Plymouth County: +0.5%Muscatine County: -2.4%Dallas County: +14.7%
Change 2020 to 2024
  1. < -1.9%
  2. < -1.0%
  3. < +0.0%
  4. < +0.9%
  5. ≥ +0.9%
no data

Orange pin: Harrison County internal point. Dark pin: Des Moines.

Internal point

Decimal
41.688600, -95.827100
DMS
41°41'18.96"N 95°49'37.56"W
UTM
15N 264717.1E 4619065.0N
Geohash
9z7v5mhvd
Plus code
86H6M5QF+C5

Towns in Harrison County

4 incorporated places of 1,000+ people have residents in Harrison County, 6,726 people together, or 46% of the county. Each figure counts only the part of the town inside Harrison County; towns marked "part" extend into another county. The largest is Missouri Valley with 2,638.

  1. 01Missouri Valley2,638
  2. 02Woodbine1,707
  3. 03Logan1,351
  4. 04Dunlap1,030
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Harrison County

The Census 2024 county adjacency file lists 6 neighbors for Harrison County, including 2 across a state line. The most populous is Pottawattamie County, IA, with 93,529 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 115.0 miles E of Harrison County's internal point in a straight line. The nearest place of 100,000 or more is Omaha, NE (population 489,265), 31.7 miles away. The nearest place of 10,000 or more is Council Bluffs, IA (population 62,665), 31.3 miles away.

Harrison County FIPS code

The FIPS code of Harrison County is 19085: state code 19 for Iowa plus county code 085. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,139.

Questions people ask

What is the population of Harrison County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 14,626. That is up 59 people (0.4%) from the July 2020 estimate of 14,567.

What is the FIPS code of Harrison County?

19085. The first two digits (19) are Iowa; the last three (085) identify the county.

What is the largest town in Harrison County?

Missouri Valley, with 2,638 residents inside Harrison County in 2024.

Which counties border Harrison County?

6 county-equivalents border it in the Census 2024 adjacency file: Pottawattamie County, IA; Washington County, NE; Crawford County, IA; Shelby County, IA; Monona County, IA; Burt County, NE.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.