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
Housing cost is the defining feature of Montgomery County: the median home is valued at $109,900. Montgomery County is a county in Iowa with a population of 10,254.
Household earnings are middling, with a median of $63,190 — below the US median of $78,538. Poverty runs at 9.2%, below the national 12.4%. Housing is relatively affordable, with a median home value of $109,900, with typical rent around $782.
18.7% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Around 8.2% of workers work from home, below the national 14.0%, and the average commute runs about 21 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.
Montgomery County, IA Climate
Montgomery County, IA has an average annual temperature of 9.9°C (50°F) and receives about 869 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.9°C
Avg Temp
869
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 20 mm |
| February | -3° / 27° | 23 mm |
| March | 4° / 38° | 56 mm |
| April | 10° / 51° | 83 mm |
| May | 17° / 62° | 109 mm |
| June | 22° / 71° | 115 mm |
| July | 24° / 75° | 108 mm |
| August | 23° / 73° | 107 mm |
| September | 18° / 65° | 108 mm |
| October | 12° / 53° | 67 mm |
| November | 3° / 38° | 44 mm |
| December | -4° / 25° | 29 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Montgomery County, IA
The most comfortable months to visit Montgomery County, IA are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -12°C low). June is usually the wettest month.
Where to stay near Montgomery County
Visiting or relocating to Montgomery County, IA? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Montgomery County
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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.