City · Iowa
Sigourney, Iowa
Sigourney, city, in Keokuk County, Iowa. Sigourney had 1,951 residents on July 1, 2025 by the Census Bureau's estimate, down 2.5% since 2020; the 2020 Census counted 2,004 and the ACS 2020-2024 5-year estimates put it at 1,954 (±213). GEOID 1973110.
Residents, July 2025 estimate
1,951
Census Bureau estimate (no margin published)
2020 Census count: 2,004 · ACS 2020-2024: 1,954 ±213
Median household income
$57,813
±$16,151 (90% margin)
Iowa: $75,059
Median home value
$136,800
±$33,956 (90% margin)
Iowa: $208,000
Median gross rent
$883
±$214 (90% margin)
Iowa: $972
Where is Sigourney and what county is it in?
Sigourney is a city in Keokuk County, Iowa. It covers 2.2 square miles of land, 926 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 Sigourney, and is it growing?
The Census Bureau estimates that 1,951 people lived in Sigourney on July 1, 2025, down 2.5% since 2020, while Iowa grew 1.5%. The 2020 Census counted 2,004 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,954 (±213).
| Measure | Sigourney | Keokuk County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,954 ±213 | 9,924 | no clear change |
| Households | 896 ±95 | 4,068 | no clear change |
| Average household size | 2.05 ±0.17 | 2.41 | no clear change |
| Housing units | 1,065 ±102 | 4,647 | no clear change |
Sigourney's population since 2000
From 2,209 in 2000 to 1,951 in 2025: down 11.7%. The 2000, 2010 and 2020 figures are census counts, each for Sigourney 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 Sigourney?
The median resident of Sigourney is 45.2 years old; 18.4% are under 18 and 29.2% are 65 or older. The largest group is non-Hispanic white residents at 99.5%, then non-Hispanic Black residents at 0.5%.
| Measure | Sigourney | Keokuk County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.2 ±6.3 | 43.4 | no clear change |
| Under 18 years | 18.4% ±3.6 pts | 22.4% | – |
| 65 years and over | 29.2% ±5.1 pts | 22.5% | – |
| Male | 50.5% ±4.5 pts | 51.7% | – |
| Hispanic or Latino (any race) | 0.0% ±1.3 pts | 2.3% | – |
| White alone, not Hispanic | 99.5% ±0.6 pts | 94.6% | +4.9 pts |
| Black or African American alone, not Hispanic | 0.5% ±0.5 pts | 0.3% | – |
| Asian alone, not Hispanic | 0.0% ±1.3 pts | 0.2% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±1.3 pts | 0.0% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±1.3 pts | 0.0% | – |
| Two or more races, not Hispanic | 0.1% ±0.1 pts | 2.3% | – |
| Some other race alone, not Hispanic | 0.0% ±1.3 pts | 0.3% | – |
| Born outside the United States | 0.4% ±0.5 pts | 1.0% | – |
| Speak a language other than English at home (age 5+) | 0.3% ±0.4 pts | 3.0% | – |
| Civilian veterans (age 18+) | 9.5% ±3.6 pts | 6.5% | – |
| With a disability | 19.5% ±5.1 pts | 16.0% | – |
| No health insurance coverage | 2.3% ±1.6 pts | 4.0% | – |
| High school graduate or higher (age 25+) | 94.1% ±3.6 pts | 94.4% | – |
| Bachelor's degree or higher (age 25+) | 22.8% ±6.0 pts | 17.0% | no clear change |
| Graduate or professional degree (age 25+) | 6.8% ±2.6 pts | 4.7% | – |
| Lived in the same house a year earlier | 85.0% ±5.6 pts | 91.6% | – |
| Moved from another state in the past year | 0.7% ±0.8 pts | 1.8% | – |
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 Sigourney earn?
Half of Sigourney's 896 households earn less than $57,813 a year (±$16,151), against $62,329 in Keokuk County and $75,059 in Iowa. In 2015-2019 it was $55,843 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.8% of residents live below the poverty line.
| Measure | Sigourney | Keokuk County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $57,813 ±$16,151 | $62,329 | no clear change |
| Mean household income | $84,656 ±$18,309 | $83,451 | – |
| Per capita income | $39,748 ±$8,565 | $35,153 | no clear change |
| People below the poverty line | 14.8% ±7.2 pts | 12.1% | no clear change |
| Children under 18 below the poverty line | 12.4% ±14.1 pts | 12.4% | – |
| Households receiving SNAP | 7.1% ±4.8 pts | 9.4% | – |
| Households with a computer | 90.4% ±4.4 pts | 91.8% | – |
| Households with a broadband subscription | 88.1% ±4.5 pts | 83.8% | – |
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 Sigourney?
Owners occupy 71.2% of Sigourney's occupied homes and renters 28.8%. The median owner-occupied home is valued at $136,800 by its owner (±$33,956). The median renter pays $883 a month including utilities, and 33.9% of renters pay 35% or more of their income on rent.
| Measure | Sigourney | Keokuk County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $136,800 ±$33,956 | $118,700 | no clear change |
| Median gross rent | $883 ±$214 | $828 | no clear change |
| Renters paying 35% or more of income on rent | 33.9% ±15.8 pts | 27.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,155 ±$139 | $1,182 | – |
| Owner-occupied homes | 71.2% ±7.8 pts | 81.3% | no clear change |
| Renter-occupied homes | 28.8% ±7.8 pts | 18.7% | – |
| Housing units | 1,065 ±102 | 4,647 | no clear change |
| Homeowner vacancy rate | 2.1% ±3.4 pts | 0.6% | – |
| Rental vacancy rate | 7.9% ±9.5 pts | 3.9% | – |
| Single-family detached homes | 75.0% ±8.4 pts | 87.1% | – |
| Mobile homes | 1.3% ±2.0 pts | 3.0% | – |
| Built 2020 or later | 2.0% ±2.5 pts | 1.0% | – |
| Built 2010 to 2019 | 1.1% ±1.1 pts | 3.7% | – |
| Built 1939 or earlier | 46.6% ±6.9 pts | 46.6% | – |
| Households with no vehicle | 5.9% ±3.7 pts | 4.3% | – |
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 Sigourney building?
Builders took permits for 0 new housing units in Sigourney 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 Sigourney work and get to work?
70.0% of Sigourney's workers drive alone and 18.2% work from home. The average trip to work takes 21.9 minutes. The unemployment rate in 2020-2024 averaged 8.3%.
| Measure | Sigourney | Keokuk County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 56.5% ±6.8 pts | 60.7% | – |
| Unemployment rate | 8.3% ±5.0 pts | 4.5% | – |
| Drove alone to work | 70.0% ±7.0 pts | 79.7% | – |
| Carpooled | 9.5% ±5.2 pts | 6.5% | – |
| Public transportation | 0.0% ±3.0 pts | 0.2% | – |
| Walked | 2.3% ±2.5 pts | 3.6% | – |
| Worked from home | 18.2% ±7.2 pts | 9.5% | +13.8 pts |
| Mean travel time to work | 21.9 min ±3.6 | 26.5 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 Sigourney?
1 census tract lies mostly in Sigourney, and 1 more reaches into it (2020 census blocks).
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 Sigourney) · Census block assignment files
How does Sigourney compare with other places in Iowa?
By the Census Bureau's July 2025 estimates, Sigourney is the 7,786th-most populous of the 19,476 U.S. incorporated places that have one and the 175th-most populous of 939 in Iowa.
Sigourney ranks 234th of 279 places in Iowa with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 175th | 939 |
| Growth 2020-2025 (PEP) | 216th | 275 |
| Residents per square mile | 181st | 279 |
| Median household income | 234th | 279 |
| Per capita income | 102nd | 279 |
| Median home value | 200th | 279 |
| Median gross rent | 112th | 266 |
| Poverty rate | 52nd | 232 |
| Bachelor's degree or higher | 163rd | 279 |
| Median age | 44th | 279 |
| Owner-occupied share | 170th | 279 |
| Work from home | 21st | 221 |
| Travel time to work | 107th | 279 |
Sigourney's figures with every place in Iowa (CSV)
Every place in Iowa, sortable · Compare Sigourney 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 Sigourney?
20 of the 57 figures for Sigourney 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 Sigourney 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 Sigourney.