County · Iowa
Montgomery County, Iowa
Montgomery County, Iowa. Montgomery County had 10,002 residents in 2025 by the Census Bureau's estimate, down 3.2% since 2020, while Iowa grew 1.5%. It holds 6 places (6 cities, villages and boroughs) and 4 census tracts. GEOID 19137.
Residents, July 2025 estimate
10,002
Census Bureau estimate (no margin published)
2020 Census count: 10,330 · ACS 2020-2024: 10,214
Median household income
$63,666
±$5,901 (90% margin)
Iowa: $75,059
Median home value
$121,400
±$11,554 (90% margin)
Iowa: $208,000
Median gross rent
$814
±$53 (90% margin)
Iowa: $972
How many people live in Montgomery County, and is it growing?
The 2020 Census counted 10,330 residents in Montgomery County. The Census Bureau estimates 10,002 for July 1, 2025, down 3.2% since 2020, while Iowa grew 1.5%. The 2020-2024 American Community Survey puts the population at 10,214 over 424 square miles of land.
| Measure | Montgomery County | Iowa | Change since 2015-2019 |
|---|---|---|---|
| Total population | 10,214 | 3,210,507 | +161 |
| Households | 4,585±149 | 1,315,707 | no clear change |
| Average household size | 2.18±0.07 | 2.36 | no clear change |
| Housing units | 5,005±27 | 1,437,699 | −228 |
Montgomery County's population since 2000
From 11,771 in 2000 to 10,002 in 2025: down 15.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Montgomery County?
Montgomery County holds 6 places: 6 cities, villages and boroughs (incorporated places). The largest is Red Oak with 5,388 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Montgomery County?
The median resident of Montgomery County is 43.5 years old; 22.6% are under 18 and 23.1% are 65 or older. The largest group is non-Hispanic white residents at 92.0%, then non-Hispanic residents of two or more races at 3.2%. 1.6% of residents were born outside the United States.
| Measure | Montgomery County | Iowa | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.5±0.5 | 38.6 | no clear change |
| Under 18 years | 22.6%±0.2 pts | 22.9% | – |
| 65 years and over | 23.1%±0.6 pts | 18.1% | – |
| Hispanic or Latino (any race) | 0.8%±0.5 pts | 7.3% | −3.0 pts |
| White alone, not Hispanic | 92.0%±0.8 pts | 82.3% | −1.7 pts |
| Black or African American alone, not Hispanic | 1.8%±1.0 pts | 3.8% | – |
| Asian alone, not Hispanic | 1.1%±0.7 pts | 2.5% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.4%±0.4 pts | 0.2% | – |
| Two or more races, not Hispanic | 3.2%±1.2 pts | 3.5% | – |
| Some other race alone, not Hispanic | 0.7%±0.7 pts | 0.3% | – |
| Born outside the United States | 1.6%±0.7 pts | 5.9% | no clear change |
| Speak a language other than English at home (age 5+) | 2.5%±1.2 pts | 9.1% | – |
| Civilian veterans (age 18+) | 7.0%±1.3 pts | 6.5% | – |
| With a disability | 18.1%±2.2 pts | 12.6% | – |
| No health insurance coverage | 3.7%±1.2 pts | 5.0% | no clear change |
| High school graduate or higher (age 25+) | 91.7%±1.9 pts | 93.3% | – |
| Bachelor's degree or higher (age 25+) | 20.4%±2.7 pts | 31.4% | no clear change |
| Graduate or professional degree (age 25+) | 5.3%±1.6 pts | 10.5% | – |
| Moved from another state in the past year | 1.8%±1.0 pts | 2.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Montgomery County earn?
Half of Montgomery County's 4,585 households earn less than $63,666 a year (±$5,901), against $75,059 in Iowa. In 2015-2019 it was $63,622 in 2024 dollars; the margins of error cannot tell the two periods apart. 15.3% of residents live below the poverty line.
| Measure | Montgomery County | Iowa | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $63,666±$5,901 | $75,059 | no clear change |
| Mean household income | $84,366±$11,332 | $98,187 | – |
| Per capita income | $37,894±$4,855 | $40,877 | no clear change |
| People below the poverty line | 15.3%±3.3 pts | 11.1% | no clear change |
| Children under 18 below the poverty line | 18.6%±7.9 pts | 12.9% | no clear change |
| Households receiving SNAP | 14.5%±3.0 pts | 8.8% | – |
| Households with a broadband subscription | 85.9%±3.0 pts | 88.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Montgomery County?
Owners occupy 69.1% of Montgomery County's occupied homes and renters 30.9%. The median owner-occupied home is valued at $121,400 by its owner (±$11,554). The median renter pays $814 a month including utilities, and 46.7% of renters pay 35% or more of their income on rent.
| Measure | Montgomery County | Iowa | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $121,400±$11,554 | $208,000 | +$15,930 |
| Median gross rent | $814±$53 | $972 | no clear change |
| Renters paying 35% or more of income on rent | 46.7%±10.6 pts | 35.2% | +15.9 pts |
| Median monthly owner costs, with a mortgage | $1,099±$115 | $1,533 | – |
| Owner-occupied homes | 69.1%±4.2 pts | 71.7% | no clear change |
| Housing units | 5,005±27 | 1,437,699 | −228 |
| Homeowner vacancy rate | 0.3%±0.4 pts | 0.8% | – |
| Rental vacancy rate | 2.7%±3.1 pts | 5.7% | – |
| Single-family detached homes | 82.4%±3.4 pts | 72.2% | – |
| Mobile homes | 2.8%±1.3 pts | 3.2% | – |
| Built 2020 or later | 1.4%±1.4 pts | 1.7% | – |
| Built 1939 or earlier | 36.6%±4.1 pts | 23.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Montgomery County building?
Builders took permits for 29 new housing units across Montgomery County in 2025 (6 single-family), 2.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Montgomery County get to work?
77.8% of Montgomery County's workers drive alone and 10.0% work from home. The average trip to work takes 22.3 minutes. The unemployment rate in 2020-2024 averaged 2.6%.
| Measure | Montgomery County | Iowa | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 57.9%±3.6 pts | 66.4% | – |
| Unemployment rate | 2.6%±1.1 pts | 3.6% | no clear change |
| Drove alone to work | 77.8%±4.3 pts | 76.0% | – |
| Carpooled | 10.2%±3.2 pts | 7.8% | – |
| Public transportation | 0.0%±0.5 pts | 0.7% | – |
| Walked | 1.9%±0.9 pts | 2.9% | – |
| Worked from home | 10.0%±3.3 pts | 11.3% | +4.9 pts |
| Mean travel time to work | 22.3 min±2.3 | 19.8 min | +3.2 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Montgomery County's census tracts?
Montgomery County is divided into 4 census tracts. Among those with a reliable estimate, median household income runs from $49,000 (Tract 9602) to $85,583 (Tract 9601).
| Tract 960119137960100 | 1,868±163 | $85,583 |
|---|---|---|
| Tract 960219137960200 | 2,723±252 | $49,000 |
| Tract 960319137960300 | 2,909±246 | $52,716 |
| Tract 960419137960400 | 2,714±177 | $74,183 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Montgomery County compare with Iowa's other counties?
| Measure | Rank |
|---|---|
| Population | 72nd of 99 |
| Growth 2020-2025 | 88th of 99 |
| Residents per square mile | 57th of 99 |
| Median household income | 81st of 99 |
| Median home value | 88th of 99 |
| Median gross rent | 51st of 99 |
| Poverty rate | 7th of 99 |
| Bachelor's degree or higher | 73rd of 99 |
| Median age | 28th of 99 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Montgomery County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.