Iowa · Census place 1972975
Sibley, Iowa
Sibley is a city in Osceola County, Iowa with an estimated 2,787 residents on July 1, 2024. It is the 129th largest of 273 incorporated places of 1,000+ people in the state.
- Population 2024
- 2,787
- #129 of 273 in Iowa
- Change since 2020
- -2.7%
- -76 people
- Land area
- 1.8 sq mi
- Density
- 1,557 / sq mi
- State median 1,363
Measure from here
Tools and pages that start from Sibley
Sibley population, 2020 to 2024
Sibley lost 76 residents from July 2020 to July 2024, a change of -2.7%. In the latest year it moved by +5.
Sibley covers 1.79 square miles of land, for 1,557 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Sibley is denser than the typical town.
What county Sibley is in
All of Sibley's residents live in Osceola County, which had 6,036 residents in 2024. Sibley holds 46.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Sibley
1 ZIP Code Tabulation Area (ZCTA) overlaps Sibley by at least 10% of the ZCTA's or the city's land: 51249. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Sibley is
The Census internal point of Sibley is at 43.401500, -95.743000. Des Moines, the capital, is 165.9 miles SE in a straight line. The nearest larger place is Sheldon, IA (5,584 people), 16.2 miles away. The nearest city of 100,000 or more is Sioux Falls, SD, 50.5 miles away.
Internal point
- Decimal
- 43.401500, -95.743000
- DMS
- 43°24'5.40"N 95°44'34.80"W
- UTM
- 15N 277879.0E 4809057.0N
- Geohash
- 9zeyvm404
- Plus code
- 86M6C724+JR
Daylight in Sibley
At 43.40° N, Sibley gets about 15 h 25 min of daylight around the June solstice and 8 h 57 min around the December solstice, a swing of 6 h 27 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Sibley
The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is George, 13.7 miles away, with 1,106 people.
Questions people ask
What is the population of Sibley, IA?
2,787 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 76 (2.7%) from 2,863 in July 2020.
What county is Sibley in?
Osceola County. All of its residents live in that county.
What ZIP codes cover Sibley?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 51249.
How far is Sibley from Des Moines?
165.9 miles (267.0 km) in a straight line, heading SE from Sibley.
What is the nearest larger city to Sibley?
Sheldon, IA, with 5,584 residents, 16.2 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.