City · Iowa
Dumont, Iowa
Dumont, city, in Butler County, Iowa. Dumont had 612 residents on July 1, 2025 by the Census Bureau's estimate, down 4.1% since 2020; the 2020 Census counted 634 and the ACS 2020-2024 5-year estimates put it at 783 (±146). GEOID 1922620.
Residents, July 2025 estimate
612
Census Bureau estimate (no margin published)
2020 Census count: 634 · ACS 2020-2024: 783 ±146
Median household income
$58,214
±$9,616 (90% margin)
Iowa: $75,059
Median home value
$74,800
±$4,836 (90% margin)
Iowa: $208,000
Median gross rent
$525
±$368 (90% margin)
Iowa: $972
Where is Dumont and what county is it in?
Dumont is a city in Butler County, Iowa. It covers 1.7 square miles of land, 362 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Dumont, and is it growing?
The Census Bureau estimates that 612 people lived in Dumont on July 1, 2025, down 4.1% since 2020, while Iowa grew 1.5%. The 2020 Census counted 634 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 783 (±146).
| Measure | Dumont | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 783 ±146 | 14,268 | no clear change |
| Households | 300 ±61 | 5,863 | no clear change |
| Average household size | 2.53 ±0.31 | 2.40 | no clear change |
| Housing units | 324 ±62 | 6,570 | no clear change |
Dumont's population since 2000
From 676 in 2000 to 612 in 2025: down 9.5%. The 2000, 2010 and 2020 figures are census counts, each for Dumont as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. 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); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Dumont?
The median resident of Dumont is 35.4 years old; 29.9% are under 18 and 23.5% are 65 or older. The largest group is non-Hispanic white residents at 87.6%, then Hispanic or Latino residents (of any race) at 5.4%.
| Measure | Dumont | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.4 ±11.9 | 43.7 | no clear change |
| Under 18 years | 29.9% ±7.5 pts | 22.4% | – |
| 65 years and over | 23.5% ±6.6 pts | 23.2% | – |
| Male | 46.1% ±4.6 pts | 49.7% | – |
| Hispanic or Latino (any race) | 5.4% ±4.3 pts | 1.7% | – |
| White alone, not Hispanic | 87.6% ±6.3 pts | 94.6% | −9.6 pts |
| Black or African American alone, not Hispanic | 0.1% ±0.2 pts | 0.2% | – |
| Asian alone, not Hispanic | 0.0% ±3.1 pts | 1.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.5% ±0.9 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±3.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 1.4% ±1.8 pts | 1.6% | – |
| Some other race alone, not Hispanic | 5.0% ±4.5 pts | 0.7% | – |
| Born outside the United States | 1.3% ±1.5 pts | 2.3% | – |
| Speak a language other than English at home (age 5+) | 5.7% ±4.5 pts | 2.9% | – |
| Civilian veterans (age 18+) | 6.7% ±3.5 pts | 6.9% | – |
| With a disability | 20.9% ±6.8 pts | 12.3% | – |
| No health insurance coverage | 6.1% ±4.6 pts | 3.2% | – |
| High school graduate or higher (age 25+) | 87.4% ±6.1 pts | 93.9% | – |
| Bachelor's degree or higher (age 25+) | 16.3% ±5.4 pts | 21.4% | +9.9 pts |
| Graduate or professional degree (age 25+) | 5.0% ±3.2 pts | 5.1% | – |
| Lived in the same house a year earlier | 94.8% ±3.4 pts | 92.9% | – |
| Moved from another state in the past year | 1.3% ±1.3 pts | 0.6% | – |
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 Dumont earn?
Half of Dumont's 300 households earn less than $58,214 a year (±$9,616), against $73,715 in Butler County and $75,059 in Iowa. In 2015-2019 it was $51,407 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.1% of residents live below the poverty line.
| Measure | Dumont | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $58,214 ±$9,616 | $73,715 | no clear change |
| Mean household income | $74,294 ±$15,053 | $90,569 | – |
| Per capita income | $28,220 ±$6,530 | $37,766 | no clear change |
| People below the poverty line | 9.1% ±4.6 pts | 9.2% | −16.6 pts |
| Children under 18 below the poverty line | 3.0% ±4.4 pts | 10.0% | – |
| Households receiving SNAP | 10.7% ±6.6 pts | 7.0% | – |
| Households with a computer | 96.7% ±3.0 pts | 91.5% | – |
| Households with a broadband subscription | 90.7% ±6.6 pts | 86.5% | – |
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 Dumont?
Owners occupy 92.7% of Dumont's occupied homes and renters 7.3%. The median owner-occupied home is valued at $74,800 by its owner (±$4,836).
| Measure | Dumont | Butler County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $74,800 ±$4,836 | $165,400 | no clear change |
| Median gross rent | $525 ±$368 | $812 | – |
| Renters paying 35% or more of income on rent | 18.2% ±28.5 pts | 32.4% | – |
| Median monthly owner costs, with a mortgage | $919 ±$40 | $1,319 | – |
| Owner-occupied homes | 92.7% ±6.0 pts | 84.1% | +22.9 pts |
| Renter-occupied homes | 7.3% ±6.0 pts | 15.9% | – |
| Housing units | 324 ±62 | 6,570 | no clear change |
| Homeowner vacancy rate | 0.0% ±8.6 pts | 0.8% | – |
| Rental vacancy rate | 21.4% ±24.5 pts | 13.9% | – |
| Single-family detached homes | 91.0% ±5.8 pts | 88.4% | – |
| Mobile homes | 0.0% ±7.4 pts | 1.8% | – |
| Built 2020 or later | 0.0% ±7.4 pts | 0.8% | – |
| Built 2010 to 2019 | 2.2% ±3.3 pts | 5.0% | – |
| Built 1939 or earlier | 45.1% ±9.8 pts | 35.9% | – |
| Households with no vehicle | 0.7% ±1.1 pts | 3.6% | – |
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 Dumont building?
Builders took permits for 0 new housing units in Dumont in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 4.2 across Iowa.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Dumont work and get to work?
84.0% of Dumont's workers drive alone. The average trip to work takes 24.3 minutes.
| Measure | Dumont | Butler County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 59.8% ±7.4 pts | 63.5% | – |
| Unemployment rate | 1.8% ±1.7 pts | 3.1% | – |
| Drove alone to work | 84.0% ±7.3 pts | 81.7% | – |
| Carpooled | 9.2% ±4.7 pts | 8.9% | – |
| Public transportation | 0.0% ±7.4 pts | 0.0% | – |
| Walked | 2.8% ±2.8 pts | 2.1% | – |
| Worked from home | 0.9% ±1.3 pts | 6.5% | – |
| Mean travel time to work | 24.3 min ±4.7 | 24.7 min | no clear change |
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 census tracts are in Dumont?
No census tract lies mostly in Dumont; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 702Butler County | 1,819 | $67,000 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Dumont) · Census block assignment files
How does Dumont compare with other places in Iowa?
By the Census Bureau's July 2025 estimates, Dumont is the 12,389th-most populous of the 19,476 U.S. incorporated places that have one and the 403rd-most populous of 939 in Iowa.
Dumont is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 403rd | 939 |
Dumont's figures with every place in Iowa (CSV)
Every place in Iowa, sortable · Compare Dumont with other places
Source: PlainCities ranks computed 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 reliable are the figures for Dumont?
25 of the 57 figures for Dumont on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
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 Dumont 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' public schools in Dumont.