Fort Thompson, SD Profile: Facts & Data

The Fort Thompson CDP⁽¹⁾ had a population of 1,132 as of July 1, 2024. Fort Thompson ranks in the lower quartile for Population Density and 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 Fort Thompson is located at latitude 44.0686 and longitude -99.4379 in Buffalo County. The formal boundaries for the Fort Thompson Census Designated Place encompass a land area of 10.38 sq. miles and a water area of 2.22 sq. miles. Buffalo County is in the Central time zone (GMT -6).

The Fort Thompson Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

Fort Thompson, SD Data & Demographics (As of July 1, 2024)

POPULATION
Total Population	1,132 (100%)
Population in Households	1,132 (100.0%)
Population in Families	1,008 (89.0%)
Population in Group Quarters¹	0
Population Density	109
Diversity Index²	33


INCOME
Median Household Income	$38,151
Average Household Income	$47,228
% of Income for Mortgage⁴	24%
Per Capita Income	$11,598
Wealth Index⁵	28
Socioeconomic Status Index⁶	Low (31.2)

HOUSING
Total HU (Housing Units)	314 (100%)
Owner Occupied HU	145 (46.2%)
Renter Occupied HU	133 (42.4%)
Vacant Housing Units	36 (11.5%)
Median Home Value	$147,000
Average Home Value	$125,172
Housing Affordability Index³	110

HOUSEHOLDS
Total Households	278
Average Household Size	4.07
Family Households	209
Average Family Size	5.00

NOTES

Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
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 races 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.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

Fort Thompson, SD - Peer Comparisons by Rank and Percentile

The table below compares Fort Thompson to the other 485 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2024 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.

GROWTH RATE / YEAR	2020-2024	2024-2029
Population	-1.82%	-0.72%
Households	-0.91%	-0.73%
Families		0.38%
Median Household Income		-1.44%
Per Capita Income		2.35%
Owner Occupied HU		1.86%

Variable Description	Rank	Percentile
Total Population	# 70	86th
Population Density	# 374	23rd
Median Household Income	# 425	13th
Housing Affordability Index	# 321	66th
Per Capita Income	# 441	9th
Diversity Index	# 108	78th

Fort Thompson, SD Profile: Facts & Data

Fort Thompson, South Dakota - Basic Facts

Fort Thompson, SD Data & Demographics (As of July 1, 2024)

POPULATION

INCOME

HOUSING

HOUSEHOLDS

GROWTH RATE / YEAR

Fort Thompson, SD - Peer Comparisons by Rank and Percentile

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