City · South Dakota
Irene, South Dakota
Irene, city, mostly in Turner County (53.8% of its 2020 residents), with parts in Clay and Yankton counties, South Dakota. Irene had 439 residents on July 1, 2025 by the Census Bureau's estimate, up 2.6% since 2020; the 2020 Census counted 422 and the ACS 2020-2024 5-year estimates put it at 456 (±104). GEOID 4631940.
Residents, July 2025 estimate
439
Census Bureau estimate (no margin published)
2020 Census count: 422 · ACS 2020-2024: 456 ±104
Median household income
$66,563
±$10,797 (90% margin)
South Dakota: $75,081
Median home value
$87,300
±$12,773 (90% margin)
South Dakota: $257,400
Median gross rent
$756
±$162 (90% margin)
South Dakota: $946
Where is Irene and what county is it in?
Irene is a city mostly in Turner County (53.8% of its 2020 residents), with parts in Clay and Yankton counties, South Dakota. It covers 0.3 square miles of land, 1,655 residents per square mile in 2020.
Irene is in the Sioux Falls, SD-MN metropolitan statistical area, which takes in 5 counties (Census Bureau delineation, July 2023).
| County | 2020 residents | Share |
|---|---|---|
| Turner County | 227 | 53.8% |
| Clay County | 191 | 45.3% |
| Yankton County | 4 | 1.0% |
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Irene, and is it growing?
The Census Bureau estimates that 439 people lived in Irene on July 1, 2025, up 2.6% since 2020, slower than South Dakota (+5.5%). The 2020 Census counted 422 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 456 (±104).
| Measure | Irene | Turner County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 456 ±104 | 8,882 | −162 |
| Households | 193 ±44 | 3,568 | no clear change |
| Average household size | 2.08 ±0.40 | 2.42 | no clear change |
| Housing units | 206 ±48 | 3,913 | no clear change |
Irene's population since 2000
From 432 in 2000 to 439 in 2025: up 1.6%. The 2000, 2010 and 2020 figures are census counts, each for Irene 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 Irene?
The median resident of Irene is 38.2 years old; 16.4% are under 18 and 23.9% are 65 or older. The largest group is non-Hispanic white residents at 87.3%, then Hispanic or Latino residents (of any race) at 6.4%.
| Measure | Irene | Turner County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.2 ±8.3 | 41.2 | no clear change |
| Under 18 years | 16.4% ±7.0 pts | 25.3% | – |
| 65 years and over | 23.9% ±6.9 pts | 20.3% | – |
| Male | 52.0% ±9.9 pts | 50.2% | – |
| Hispanic or Latino (any race) | 6.4% ±8.6 pts | 3.5% | – |
| White alone, not Hispanic | 87.3% ±10.1 pts | 93.0% | no clear change |
| Black or African American alone, not Hispanic | 1.1% ±2.0 pts | 0.4% | – |
| Asian alone, not Hispanic | 0.0% ±5.3 pts | 0.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.9% ±1.2 pts | 0.5% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±5.3 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.4% ±6.0 pts | 2.0% | – |
| Some other race alone, not Hispanic | 0.0% ±5.3 pts | 0.0% | – |
| Born outside the United States | 4.8% ±5.4 pts | 2.0% | – |
| Speak a language other than English at home (age 5+) | 9.1% ±9.8 pts | 3.8% | – |
| Civilian veterans (age 18+) | 10.5% ±8.4 pts | 8.4% | – |
| With a disability | 11.9% ±4.9 pts | 11.1% | – |
| No health insurance coverage | 19.7% ±10.5 pts | 7.0% | +12.3 pts |
| High school graduate or higher (age 25+) | 85.1% ±10.5 pts | 93.0% | – |
| Bachelor's degree or higher (age 25+) | 16.2% ±12.2 pts | 27.3% | – |
| Graduate or professional degree (age 25+) | 1.3% ±1.5 pts | 7.1% | – |
| Lived in the same house a year earlier | 80.0% ±9.5 pts | 90.9% | – |
| Moved from another state in the past year | 5.1% ±4.9 pts | 1.9% | – |
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 Irene earn?
Half of Irene's 193 households earn less than $66,563 a year (±$10,797), against $75,771 in Turner County and $75,081 in South Dakota. In 2015-2019 it was $60,053 in 2024 dollars; the margins of error cannot tell the two periods apart.
| Measure | Irene | Turner County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,563 ±$10,797 | $75,771 | no clear change |
| Mean household income | $66,949 ±$7,994 | $90,459 | – |
| Per capita income | $32,055 ±$4,219 | $36,868 | no clear change |
| People below the poverty line | 3.7% ±3.3 pts | 9.3% | – |
| Children under 18 below the poverty line | 0.0% ±27.7 pts | 10.1% | – |
| Households receiving SNAP | 19.7% ±11.1 pts | 8.5% | – |
| Households with a computer | 98.4% ±2.0 pts | 92.6% | – |
| Households with a broadband subscription | 89.6% ±10.3 pts | 88.2% | – |
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 Irene?
Owners occupy 69.4% of Irene's occupied homes and renters 30.6%. The median owner-occupied home is valued at $87,300 by its owner (±$12,773). The median renter pays $756 a month including utilities.
| Measure | Irene | Turner County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $87,300 ±$12,773 | $222,900 | no clear change |
| Median gross rent | $756 ±$162 | $742 | no clear change |
| Renters paying 35% or more of income on rent | 9.8% ±9.1 pts | 28.1% | – |
| Median monthly owner costs, with a mortgage | $1,063 ±$219 | $1,553 | – |
| Owner-occupied homes | 69.4% ±11.2 pts | 79.0% | no clear change |
| Renter-occupied homes | 30.6% ±11.2 pts | 21.0% | – |
| Housing units | 206 ±48 | 3,913 | no clear change |
| Homeowner vacancy rate | 0.0% ±16.3 pts | 0.1% | – |
| Rental vacancy rate | 0.0% ±33.0 pts | 5.9% | – |
| Single-family detached homes | 82.0% ±8.5 pts | 85.4% | – |
| Mobile homes | 4.9% ±5.2 pts | 4.1% | – |
| Built 2020 or later | 0.0% ±11.4 pts | 1.2% | – |
| Built 2010 to 2019 | 0.0% ±11.4 pts | 7.5% | – |
| Built 1939 or earlier | 47.6% ±11.8 pts | 36.5% | – |
| Households with no vehicle | 2.6% ±4.1 pts | 3.9% | – |
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 Irene building?
Builders took permits for 1 new housing units in Irene in 2025 (1 in single-family houses), 2.3 per 1,000 residents against 5.7 across South Dakota.
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 Irene work and get to work?
75.7% of Irene's workers drive alone. The average trip to work takes 35.2 minutes.
| Measure | Irene | Turner County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.1% ±8.0 pts | 69.1% | – |
| Unemployment rate | 0.0% ±9.6 pts | 2.2% | – |
| Drove alone to work | 75.7% ±14.9 pts | 80.1% | – |
| Carpooled | 13.0% ±13.9 pts | 8.1% | – |
| Public transportation | 0.0% ±9.6 pts | 0.4% | – |
| Walked | 6.1% ±4.2 pts | 3.5% | – |
| Worked from home | 4.0% ±5.1 pts | 7.0% | – |
| Mean travel time to work | 35.2 min ±8.6 | 25.3 min | +11.4 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 census tracts are in Irene?
No census tract lies mostly in Irene; 3 tracts reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9652Turner County | 4,305 | $74,355 |
| Tract 9658Clay County | 3,230 | $84,899 |
| Tract 9664Yankton County | 3,623 | $74,223 |
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 Irene) · Census block assignment files
How does Irene compare with other places in South Dakota?
By the Census Bureau's July 2025 estimates, Irene is the 13,741st-most populous of the 19,476 U.S. incorporated places that have one and the 129th-most populous of 310 in South Dakota.
Irene 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 | 129th | 310 |
Irene's figures with every place in South Dakota (CSV)
Every place in South Dakota, sortable · Compare Irene 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 Irene?
27 of the 57 figures for Irene 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 Irene 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 Irene.