Onida, SD Profile: Facts, Map & Data


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Onida, South Dakota - Basic Facts

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The City of Onida had a population of 640 as of July 1, 2017. Onida 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 Onida is located at latitude 44.7045 and longitude -100.0677 in Sully County. The formal boundaries for the City of Onida (see map below) encompass a land area of 0.64 sq. miles and a water area of 0 sq. miles. Sully County is in the Central time zone (GMT -6). The elevation is 1,873 feet.

The City of Onida (GNIS ID: 1267524) 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 Onida population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Onida, SD Boundary Map

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


Total Population 640
Daytime Population: Workers 413
Daytime Population: Residents 204
Total Daytime Population (TDP) 617
Ratio TDP/Total Population1 0.96
Population in Households 640
Population in Familes 529
Population in Group Qrtrs 0
Population Density2 1,002
Diversity Index3 14


Median Household Income $64,532
Average Household Income $80,348
Per Capita Income $33,985


Total Housing Units 331 (100%)
Owner Occupied HU 219 (66.2%)
Renter Occupied HU 55 (16.6%)
Vacant Housing Units 58 (17.5%)
Median Home Value $117,857
Average Home Value $146,347


Total Households 273
Average Household Size 2.34
Family Households 183
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 -0.38% -0.28%
Households -0.35% -0.15%
Families -0.22% -0.33%
Median Household Income   3.22%
Per Capita Income   3.23%

Onida, SD - Peer Comparisons by Rank and Percentile

The table below compares Onida 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 # 120 70th
Population Density # 92 77th
Diversity Index # 194 51st
Median Household Income # 32 92nd
Per Capita Income # 40 90th

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

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