Montgomery County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 72nd-largest in Iowa
The population of Montgomery County, Iowa is 10,254 as of the 2023 American Community Survey, making it the 72nd-largest county in Iowa. The median household income is $63,190, the median home value is $109,900, and the median age is 43.8.
The population of Montgomery County has declined 5.9% since 2010 (10,690 → 10,063), a -0.43% annualized rate.
10,254
Population
-0.43%
Annual growth
24
People / sq mi
$63,190
Median Income
$109,900
Median Home Value
Montgomery County covers 424 sq mi of land at 24.2 people per square mile.
About Montgomery County, IA
Montgomery County is a county in Iowa with a population of 10,254. It ranks #72 among counties in Iowa by population. The median age is 43.8, older than the national median. The population is 49.0% male and 51.0% female.
The median household income in Montgomery County is $63,190, below the US median of $74,580. 9.2% of residents live below the federal poverty level. Home values sit at a median of $109,900, with monthly rent averaging $782. The homeownership rate of 71.6% is higher than the national rate of 64.8%.
Educational attainment in Montgomery County reflects 18.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 20.6 minutes each way.
Montgomery County Population History (2010-2024)
The county of Montgomery County had a population of 10,690 in 2010 and 10,063 in 2024, a -5.9% growth over 14 years. The peak was 10,690 in 2010. Average annual growth rate: -0.42%.
10,063
Population (2024)
10,690
Population (2010)
10,690
Peak (2010)
-0.42%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,690 |
| 2011 | 10,633 |
| 2012 | 10,541 |
| 2013 | 10,407 |
| 2014 | 10,386 |
| 2015 | 10,153 |
| 2016 | 10,135 |
| 2017 | 10,119 |
| 2018 | 9,976 |
| 2019 | 9,917 |
| 2020 | 10,330 |
| 2021 | 10,317 |
| 2022 | 10,210 |
| 2023 | 10,148 |
| 2024 | 10,063 |
Race & Ethnicity
| White | 93.3% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
43.8
Median Age
51.0%
Female
49.0%
Male
22.9%
Age 65+
Age Distribution
Children (under 15): 18.9% · Seniors (65+): 22.9%
Income & Poverty
| Median household income | $63,190$-9,957 vs state |
| Mean household income | $83,851 |
| Per-capita income | $37,388 |
| Poverty rate | 9.2%+2.3% vs state |
| Unemployment rate | 1.5% |
| Employment-to-population | 58.6% |
Top Industries by Employment
The largest employment sector in Montgomery County is professional & business services, accounting for 23.3% of workers.
How residents commute
0.2%
Drive alone
2.0%
Carpool
81.2%
Public transit
8.2%
Work from home
20.6 min
Avg commute
Housing
$109,900$-86,000 vs state
Median home value
$782
Median rent
71.6%
Homeownership rate
5,011
Total housing units
92.0%
Occupied
8.0%
Vacant
28.4%
Renter-occupied
Social & access
97.4%
With health insurance
89.1%
With broadband internet
29.9%
Foreign-born
7.8%
Veterans (18+)
16.7%
With a disability
98.1%
Speak language other than English at home
Education
92.6%
High School+
18.7%
Bachelor's+
Largest cities in Iowa
Other counties in Iowa
Part of Iowa
Metro areas in Iowa
County rankings
Frequently Asked Questions
Montgomery County, Iowa has a population of 10,254 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 72nd-largest county in Iowa. Population density is 24 people per square mile.
The population of Montgomery County has declined 5.9% since 2010 (10,690 → 10,063), a -0.43% annualized rate.
The median household income in Montgomery County, Iowa is $63,190, with mean (average) household income of $83,851 and per-capita income of $37,388. 9.2% of residents live below the federal poverty level.
In Montgomery County, the largest racial and ethnic groups are White (93.3%), Hispanic or Latino (0.9%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Montgomery County, Iowa is 43.8 years. Residents are 51.0% female and 49.0% male.
The median home value in Montgomery County is $109,900 and median monthly rent is $782. 71.6% of occupied housing units are owner-occupied. The county has 5,011 total housing units, 8.0% of which are vacant.
The largest employment sector in Montgomery County, Iowa is professional, scientific, and management services, employing 23.3% of workers. The unemployment rate is 1.5%.
Des Moines is among the largest cities associated with Montgomery County, Iowa, with a population of 212,464.
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Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.