• county
  • FIPS 19087
  • Largest town: Mount Pleasant

Henry County, Iowa

Henry County had 19,361 residents in the Census Vintage 2024 estimate, on 434.3 square miles of land. It ranks 35th of 99 in Iowa by population and 84th by land area.

Population
19,361
#35 of 99 in Iowa · #1,867 in US
Area
434.3 sq mi
#84 of 99 in Iowa · #2,338 in US
Density
45 / sq mi
#26 of 99 in Iowa · #1,578 in US
Median household income
$65,627
#66 of 99 in Iowa · #1,332 in US

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

Henry County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Henry County

Henry County population, land area and income

Henry County had 19,361 residents in the Census Vintage 2024 estimate, on 434.3 square miles of land. It ranks 35th of 99 in Iowa by population and 84th by land area. That works out to 44.6 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; Henry County is somewhat larger.

Its SAIPE 2023 median household income of $65,627 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

19,361

3144th1st

1867th of 3,144 (US)

Land area

434 sq mi

3144th1st

2338th of 3,144 (US)

Density

44.6 / sq mi

3144th1st

1578th of 3,144 (US)

Median household income

$65,627

3143rd1st

1332nd of 3,143 (US)

Rank within Iowa (99)

Population

19,361

99th1st

35th of 99 (IA)

Land area

434 sq mi

99th1st

84th of 99 (IA)

Density

44.6 / sq mi

99th1st

26th of 99 (IA)

Median household income

$65,627

99th1st

66th of 99 (IA)

How Henry County's population changed since 2020

Henry County lost 1,086 residents between the July 2020 and July 2024 estimates, a drop of 5.3%. That ranks 99th 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, Henry County recorded 814 births and 1,054 deaths, a natural change of -240. Net international migration added +44 and net domestic migration, people moving to or from other US counties, came to -955. The largest single component was domestic migration, which removed 955 people.

20.4k202020.4k202120.3k202219.6k202319.4k2024
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
814
Deaths
1,054
Net international migration
+44
Net domestic migration
-955
Change, July 2023 to July 2024
-212

Where Henry County is

The Census internal point of Henry County is at 40.984800, -91.547300. 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 Henry 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: Henry County internal point. Dark pin: Des Moines.

Internal point

Decimal
40.984800, -91.547300
DMS
40°59'5.28"N 91°32'50.28"W
UTM
15N 622204.2E 4538085.9N
Geohash
9zqchv13c
Plus code
86GCXFM3+W3

Towns in Henry County

3 incorporated places of 1,000+ people have residents in Henry County, 11,368 people together, or 59% of the county. Each figure counts only the part of the town inside Henry County; towns marked "part" extend into another county. The largest is Mount Pleasant with 8,509.

  1. 01Mount Pleasant8,509
  2. 02New London1,853
  3. 03Winfield1,006
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Henry County

The Census 2024 county adjacency file lists 6 neighbors for Henry County. The most populous is Des Moines County, IA, with 38,411 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 114.7 miles WNW of Henry County's internal point in a straight line. The nearest place of 100,000 or more is Davenport, IA (population 100,938), 62.9 miles away. The nearest place of 10,000 or more is Burlington, IA (population 23,637), 25.3 miles away.

Henry County FIPS code

The FIPS code of Henry County is 19087: state code 19 for Iowa plus county code 087. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,627.

Questions people ask

What is the population of Henry County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 19,361. That is down 1,086 people (5.3%) from the July 2020 estimate of 20,447.

What is the FIPS code of Henry County?

19087. The first two digits (19) are Iowa; the last three (087) identify the county.

What is the largest town in Henry County?

Mount Pleasant, with 8,509 residents inside Henry County in 2024.

Which counties border Henry County?

6 county-equivalents border it in the Census 2024 adjacency file: Des Moines County, IA; Lee County, IA; Washington County, IA; Jefferson County, IA; Louisa County, IA; Van Buren County, IA.

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.