Eureka, South Dakota
Eureka: city in McPherson County, South Dakota, United States
About
Eureka is a city located in the county of McPherson in the U.S. state of South Dakota. Its population at the 2010 census was 868 and a population density of 335 people per km². After 10 years in 2020 city had an estimated population of 817 inhabitants.
Quick Facts about Eureka
| Population | 817 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| County | McPherson County |
| Postal code | 57437 |
| Phone Area Codes | 605 |
| Area | 2.59 km2 |
| Latitude & Longitude | 45.7694,-99.6196 |
| Altitude | 1,890 feet / 576 meters |
| Time Zone | UTC−06:00 |
| Local time | 19:30:01 (22nd April 2026) |
| Density | 315 Pop. per km² as of 2020 |
| Population growth | -6.24% (2010-2020) |
| Weather | 85℉ Mostly Sunny 7-days weather |
Geography
Eureka is located at 45°46'10"N 99°37'10"W (45.7694300, -99.6195600).
Eureka map
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Weather
Mostly sunny, with a high near 85. South southeast wind 21 to 32 mph.
7-Day ForecastOfficial website of Eureka
Official WebsiteDemographics
According to census records, the population of Eureka decreased by 6.24% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 868 | - | census |
| 2011 | 860 | -0.93% | estimation process |
| 2012 | 852 | -0.94% | estimation process |
| 2013 | 848 | -0.47% | estimation process |
| 2014 | 844 | -0.47% | estimation process |
| 2015 | 835 | -1.08% | estimation process |
| 2016 | 838 | 0.36% | estimation process |
| 2017 | 833 | -0.6% | estimation process |
| 2018 | 832 | -0.12% | estimation process |
| 2019 | 826 | -0.73% | estimation process |
| 2020 | 817 | -1.1% | estimation process |
People born in Eureka (10)
People born in Eureka, including journalist Al Neuharth, Olympic wrestler Bill Scherr, professional golfer Marlene Hagge, .
More notable people
- Alexandra Hoffman (American model) she was born in 10/11/1987
- Jim Scherr (American amateur wrestler) he was born in 27/07/1961
- Dean O. Mehlhaff (American politician) he was born in 28/06/1927
- Calvin Jones (American musician, record producer, composer, songwriter and pianist) he was born in 03/05/1966
- Holly Hoffman she was born in 15/03/1966
- Alice Bauer (golfer) she was born in 06/10/1927
- Julius Krein (American political writer) he was born in 13/01/1986
Closest post offices linked to Eureka.
| Post Office Name | City | ZIP |
|---|---|---|
| Eureka Post Office | Eureka (SD) | 57437 |
Other places with the same name (10)
- Eureka, California city in and county seat of Humboldt County, California, United States with a population of 26,652 people.
- Eureka, Missouri city located in St. with a population of 11,323 people.
- Eureka, Illinois city in Woodford County, Illinois, United States with a population of 5,232 people.
- Eureka, Michigan township in Montcalm County, Michigan with a population of 3,998 people.
- Eureka, Kansas city in Greenwood County, Kansas, United States with a population of 2,301 people.
- Eureka, Wisconsin city in Polk County, Wisconsin, United States of America with a population of 1,659 people.
- Eureka, Montana town in Lincoln County, Montana, United States with a population of 1,445 people.
- Eureka, Utah city in Juab County, Utah, United States with a population of 702 people.
- Eureka, Texas city in Navarro County, Texas, United States with a population of 315 people.
- Eureka, North Carolina town in North Carolina, USA with a population of 200 people.
Other cities in McPherson County
Cities, towns, neighborhoods & other populated places in McPherson County , SD.
| City Name | Population | Title |
|---|---|---|
| Leola | 420 | City in and county seat of McPherson County, South Dakota, United States |
| Long Lake | 31 | Town in South Dakota, United States of America |
| Wetonka | 7 | Town in South Dakota, United States of America |
| Hillsview | 3 | Town in South Dakota, United States of America |