• county
  • FIPS 19137
  • Largest town: Red Oak

Montgomery County, Iowa

Montgomery County had 10,063 residents in the Census Vintage 2024 estimate, on 424.1 square miles of land. It ranks 72nd of 99 in Iowa by population and 90th by land area.

Population
10,063
#72 of 99 in Iowa · #2,399 in US
Area
424.1 sq mi
#90 of 99 in Iowa · #2,389 in US
Density
24 / sq mi
#57 of 99 in Iowa · #2,098 in US
Median household income
$60,487
#88 of 99 in Iowa · #1,794 in US

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

Montgomery County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Montgomery County

Montgomery County population, land area and income

Montgomery County had 10,063 residents in the Census Vintage 2024 estimate, on 424.1 square miles of land. It ranks 72nd of 99 in Iowa by population and 90th by land area. That works out to 23.7 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; Montgomery County is somewhat smaller.

Its SAIPE 2023 median household income of $60,487 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

10,063

3144th1st

2399th of 3,144 (US)

Land area

424 sq mi

3144th1st

2389th of 3,144 (US)

Density

23.7 / sq mi

3144th1st

2098th of 3,144 (US)

Median household income

$60,487

3143rd1st

1794th of 3,143 (US)

Rank within Iowa (99)

Population

10,063

99th1st

72nd of 99 (IA)

Land area

424 sq mi

99th1st

90th of 99 (IA)

Density

23.7 / sq mi

99th1st

57th of 99 (IA)

Median household income

$60,487

99th1st

88th of 99 (IA)

How Montgomery County's population changed since 2020

Montgomery County lost 267 residents between the July 2020 and July 2024 estimates, a drop of 2.6%. That ranks 89th 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, Montgomery County recorded 418 births and 685 deaths, a natural change of -267. Net international migration added +29 and net domestic migration, people moving to or from other US counties, came to -26. The largest single component was natural change, which removed 267 people.

10.3k202010.3k202110.2k202210.1k202310.1k2024
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
418
Deaths
685
Net international migration
+29
Net domestic migration
-26
Change, July 2023 to July 2024
-85

Where Montgomery County is

The Census internal point of Montgomery County is at 41.021700, -95.157800. 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 Montgomery 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: Montgomery County internal point. Dark pin: Des Moines.

Internal point

Decimal
41.021700, -95.157800
DMS
41°01'18.12"N 95°09'28.08"W
UTM
15N 318579.2E 4543408.8N
Geohash
9zk36eu0w
Plus code
86H62RCR+MV

Towns in Montgomery County

2 incorporated places of 1,000+ people have residents in Montgomery County, 6,526 people together, or 65% of the county. Each figure counts only the part of the town inside Montgomery County; towns marked "part" extend into another county. The largest is Red Oak with 5,420.

  1. 01Red Oak5,420
  2. 02Villisca1,106
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Montgomery County

The Census 2024 county adjacency file lists 7 neighbors for Montgomery County. 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 89.7 miles ENE of Montgomery County's internal point in a straight line. The nearest place of 100,000 or more is Omaha, NE (population 489,265), 49.5 miles away. The nearest place of 10,000 or more is Council Bluffs, IA (population 62,665), 39.1 miles away.

Montgomery County FIPS code

The FIPS code of Montgomery County is 19137: state code 19 for Iowa plus county code 137. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $60,487.

Questions people ask

What is the population of Montgomery County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 10,063. That is down 267 people (2.6%) from the July 2020 estimate of 10,330.

What is the FIPS code of Montgomery County?

19137. The first two digits (19) are Iowa; the last three (137) identify the county.

What is the largest town in Montgomery County?

Red Oak, with 5,420 residents inside Montgomery County in 2024.

Which counties border Montgomery County?

7 county-equivalents border it in the Census 2024 adjacency file: Pottawattamie County, IA; Page County, IA; Mills County, IA; Cass County, IA; Fremont County, IA; Taylor County, IA; Adams 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.