Marion, SD Profile: Facts, Map & Data


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Marion, South Dakota - Basic Facts

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The City of Marion had a population of 906 as of July 1, 2017. Marion ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Marion is located at latitude 43.4236 and longitude -97.2606 in Turner County. The formal boundaries for the City of Marion (see map below) encompass a land area of 0.87 sq. miles and a water area of 0 sq. miles. Turner County is in the Central time zone (GMT -6). The elevation is 1,450 feet.

The City of Marion (GNIS ID: 1267470) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Marion population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Marion: Marion Junction, Turner Junction.

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City of Marion, SD Boundary Map

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Marion, SD Data & Demographics (As of July 1, 2017)


Total Population 906
Daytime Population: Workers 459
Daytime Population: Residents 430
Total Daytime Population (TDP) 889
Ratio TDP/Total Population1 0.98
Population in Households 859
Population in Familes 672
Population in Group Qrtrs 47
Population Density2 1,044
Diversity Index3 14


Median Household Income $40,579
Average Household Income $56,724
Per Capita Income $26,747


Total Housing Units 443 (100%)
Owner Occupied HU 297 (67.0%)
Renter Occupied HU 115 (26.0%)
Vacant Housing Units 31 ( 7.0%)
Median Home Value $71,629
Average Home Value $119,781


Total Households 412
Average Household Size 2.08
Family Households 256
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.01% 1.1%
Households 2.23% 1.19%
Families 2.64% 1.15%
Median Household Income   5.62%
Per Capita Income   4.41%

Marion, SD - Peer Comparisons by Rank and Percentile

The table below compares Marion to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 84 79th
Population Density # 84 79th
Diversity Index # 190 51st
Median Household Income # 318 19th
Per Capita Income # 237 40th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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