Iowa · Census place 1910045

Calmar, Iowa

Calmar is a city in Winneshiek County, Iowa with an estimated 1,100 residents on July 1, 2024. It is the 258th largest of 273 incorporated places of 1,000+ people in the state.

Population 2024
1,100
#258 of 273 in Iowa
Change since 2020
-3.0%
-34 people
Land area
1.1 sq mi
Density
982 / sq mi
State median 1,363
Orange pin: Calmar. Shaded: its county. Dark pin: Des Moines.

Calmar population, 2020 to 2024

Calmar lost 34 residents from July 2020 to July 2024, a change of -3.0%. In the latest year it moved by -2.

1,13420201,12220211,11320221,10220231,1002024
July 1 estimates. The April 2020 estimates base was 1,136. The axis starts above zero so yearly changes are visible.

Calmar covers 1.12 square miles of land, for 982 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Calmar is less dense than the typical town.

What county Calmar is in

All of Calmar's residents live in Winneshiek County, which had 19,723 residents in 2024. Calmar holds 5.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Calmar

1 ZIP Code Tabulation Area (ZCTA) overlaps Calmar by at least 10% of the ZCTA's or the city's land: 52132. 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 Calmar is

The Census internal point of Calmar is at 43.181100, -91.868000. Des Moines, the capital, is 141.1 miles SW in a straight line. The nearest larger place is Decorah, IA (7,454 people), 9.3 miles away. The nearest city of 100,000 or more is Rochester, MN, 65.2 miles away.

Internal point

Decimal
43.181100, -91.868000
DMS
43°10'51.96"N 91°52'4.80"W
UTM
15N 591996.4E 4781547.9N
Geohash
9zwttkzu0
Plus code
86MC54JJ+CR

Daylight in Calmar

At 43.18° N, Calmar gets about 15 h 23 min of daylight around the June solstice and 8 h 59 min around the December solstice, a swing of 6 h 24 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Calmar

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Decorah, 9.3 miles away, with 7,454 people.

Questions people ask

What is the population of Calmar, IA?

1,100 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 34 (3.0%) from 1,134 in July 2020.

What county is Calmar in?

Winneshiek County. All of its residents live in that county.

What ZIP codes cover Calmar?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 52132.

How far is Calmar from Des Moines?

141.1 miles (227.1 km) in a straight line, heading SW from Calmar.

What is the nearest larger city to Calmar?

Decorah, IA, with 7,454 residents, 9.3 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.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.