Oelwein, Iowa

Oelwein population, 2020 to 2024

Oelwein lost 118 residents from July 2020 to July 2024, a change of -2.0%. In the latest year it moved by -25. Among 85 Iowa places of 5,000 or more, that growth ranks 78th; the median place changed by +1.1%. The median place of 5,000+ in Iowa has 9,511 people, so Oelwein is 61% of it.

Oelwein covers 4.81 square miles of land and 0.03 of water, for 1,203 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Oelwein is less dense than the typical town.

What county Oelwein is in

All of Oelwein's residents live in Fayette County, which had 19,152 residents in 2024. Oelwein holds 30.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Oelwein

1 ZIP Code Tabulation Area (ZCTA) overlaps Oelwein by at least 10% of the ZCTA's or the city's land: 50662. 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 Oelwein is

The Census internal point of Oelwein is at 42.671600, -91.912800. Des Moines, the capital, is 114.4 miles SW in a straight line. The nearest larger place is Independence, IA (6,266 people), 14.5 miles away. The nearest city of 100,000 or more is Cedar Rapids, IA, 50.3 miles away.

Daylight in Oelwein

At 42.67° N, Oelwein gets about 15 h 19 min of daylight around the June solstice and 9 h 02 min around the December solstice, a swing of 6 h 17 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Oelwein

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Fairbank, 7.2 miles away, with 1,133 people.