Buffalo Gap, SD Profile: Facts, Map & Data


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Buffalo Gap, South Dakota - Basic Facts

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The Town of Buffalo Gap had a population of 126 as of July 1, 2017. Buffalo Gap 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 Buffalo Gap is located at latitude 43.4922 and longitude -103.3153 in Custer County. The formal boundaries for the Town of Buffalo Gap (see map below) encompass a land area of 0.31 sq. miles and a water area of 0 sq. miles. Custer County is in the Mountain time zone (GMT -7). The elevation is 3,261 feet.

The Town of Buffalo Gap (GNIS ID: 1267303) 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 Buffalo Gap 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 Buffalo Gap: Buffalogap.

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Town of Buffalo Gap, SD Boundary Map

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Boundary Maps: Custer County | South Dakota Counties

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


Total Population 126
Daytime Population: Workers 47
Daytime Population: Residents 53
Total Daytime Population (TDP) 100
Ratio TDP/Total Population1 0.79
Population in Households 124
Population in Familes 103
Population in Group Qrtrs 2
Population Density2 412
Diversity Index3 27


Median Household Income $58,227
Average Household Income $76,921
Per Capita Income $32,620


Total Housing Units 76 (100%)
Owner Occupied HU 56 (73.7%)
Renter Occupied HU 10 (13.2%)
Vacant Housing Units 10 (13.2%)
Median Home Value $215,000
Average Home Value $259,545


Total Households 66
Average Household Size 1.88
Family Households 47
Average Family Size 2
  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 0.0% 0.63%
Households 0.0% 0.6%
Families 5.45% 0.42%
Median Household Income   3.62%
Per Capita Income   3.53%

Buffalo Gap, SD - Peer Comparisons by Rank and Percentile

The table below compares Buffalo Gap 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 # 265 32nd
Population Density # 205 48th
Diversity Index # 86 79th
Median Household Income # 88 78th
Per Capita Income # 57 86th

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

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