New Underwood, SD Profile: Facts, Map & Data


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New Underwood, South Dakota - Basic Facts

The City of New Underwood had a population of 735 as of July 1, 2017. New Underwood ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for New Underwood is located at latitude 44.0991 and longitude -102.8361 in Pennington County. The formal boundaries for the City of New Underwood (see map below) encompass a land area of 1 sq. miles and a water area of 0 sq. miles. Pennington County is in the Mountain time zone (GMT -7). The elevation is 2,844 feet.

The City of New Underwood (GNIS ID: 1267492) 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 New Underwood 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 New Underwood: Underwood Station.

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City of New Underwood, SD Boundary Map

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


Total Population 735
Daytime Population: Workers 228
Daytime Population: Residents 338
Total Daytime Population (TDP) 566
Ratio TDP/Total Population1 0.77
Population in Households 692
Population in Familes 559
Population in Group Qrtrs 43
Population Density2 731
Diversity Index3 25


Median Household Income $48,584
Average Household Income $57,199
Per Capita Income $23,223


Total Housing Units 312 (100%)
Owner Occupied HU 204 (65.4%)
Renter Occupied HU 75 (24.0%)
Vacant Housing Units 33 (10.6%)
Median Home Value $107,877
Average Home Value $97,927


Total Households 279
Average Household Size 2.48
Family Households 179
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 1.5% 1.56%
Households 1.64% 1.66%
Families 1.39% 1.41%
Median Household Income   2.18%
Per Capita Income   3.51%

New Underwood, SD - Peer Comparisons by Rank and Percentile

The table below compares New Underwood 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 # 103 74th
Population Density # 141 64th
Diversity Index # 92 77th
Median Household Income # 220 44th
Per Capita Income # 302 23rd

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

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