What is the population of Iona?

The population of Iona, SD is 81.

Where is Iona located?

Iona, SD is located at latitude 43.5430600 and longitude -99.4248200. It is in United States.

What is the area of Iona?

The area of Iona, SD is 137.8 km².

What is the elevation of Iona?

Iona, SD has an elevation of 552 meters (1811 feet) above sea level.

What time zone is Iona in?

Iona, SD is in the America/Chicago time zone.

What state is Iona in?

Iona is in the state of South Dakota, United States.

What county is Iona, SD in?

Iona is in Lyman County, South Dakota.

How has the population of Iona changed?

The population of Iona, SD has decreased from 81 (2010) to 81 (2020), a change of 0%.

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Iona, South Dakota

Iona: unincorporated community in South Dakota.

About

Iona is a city located in the county of Lyman in the U.S. state of South Dakota. Its population at the 2010 census was 81 and a population density of 1 people per km². After 10 years in 2020 city had an estimated population of 81 inhabitants.

Quick Facts about Iona

Population	81 (2020)
Country	United States of America
State	South Dakota (United States)
County	Lyman County
Area	137.8 km²
Latitude & Longitude	43.5431,-99.4248
Altitude	1,693 feet / 516 meters
Time Zone	America/Chicago
Local time	10:33:08 (6th November 2026)
Density	1 Pop. per km² as of 2020
Population growth	0% (2010-2020)
Weather	31℉ Mostly Cloudy 7-days weather

Geography

Iona is located at 43°32'35"N 99°25'29"W (43.5430600, -99.4248200).

Iona map

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Weather

31°F

Mostly Cloudy

8 mph ESE Tonight

Mostly cloudy. Low around 31, with temperatures rising to around 34 overnight. East southeast wind around 8 mph.

7-Day Forecast

Demographics

The population of Iona increased by 0% in 10 years.

Year	Population	% Change	Method
2010	81	-	census
2011	82	1.23%	estimation process
2012	81	-1.22%	estimation process
2013	82	1.23%	estimation process
2014	82	0%	estimation process
2015	82	0%	estimation process
2016	83	1.22%	estimation process
2017	82	-1.2%	estimation process
2018	81	-1.22%	estimation process
2019	81	0%	estimation process
2020	81	0%	estimation process

Nearby Post Offices

Closest post offices linked to Iona.

Post Office Name	City	ZIP
Hamill Post Office	Hamill (SD)	57534