Bennett County, SD demographics:
population, income, and more

Total population
3,345
-0.3% year-over-year change
Median household income
$53,750/yr
20.6% year-over-year change
Housing units
1,151
-6.6% year-over-year change

Bennett County population

How many people live in Bennett County

Bennett County is home to 3,345 residents, according to the most recent Census data. Gender-wise, 48.4% of Bennett County locals are male, and 51.6% are female.

Total population
3,345
-0.3% year-over-year change
Gender ratio
Male
48.4%
1,619
Female
51.6%
1,726
Value Percent YoY change
Male 1,619 48.4% 2.1%
Female 1,726 51.6% -2.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Bennett County is 27, with the population distributed as follows: about 27% are children under 15, then 21.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.5% of the population, while another 17% fall into the 45 to 64 bracket. Finally, around 15.3% are 65 or older.

Median age
27.4
Age breakdown
Under 15
27%
15 to 24
21.2%
25 to 44
19.5%
45 to 64
17%
Over 65
15.3%
Value Percent YoY change
Under 15 902 27% -2.4%
15 to 24 709 21.2% 23.5%
25 to 44 652 19.5% -18.9%
45 to 64 570 17% 5.6%
Over 65 512 15.3% 0.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Bennett County, 98.2% of the population are US-born citizens, while 0.8% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 36.3% of locals are Caucasian, 0.2% are African American and 1.5% have Asian roots. There’s also a share of 2.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.2%
Non-U.S.-born citizens
0.8%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 3,286 98.2% -0.5%
Non-U.S.-born citizens 27 0.8% 125.0%
Non-citizens 32 1% -20.0%
Racial breakdown
White
36.3%
Black or African American
0.2%
American Indian and Alaska Native
58.1%
Asian
1.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.9%
Other
1.1%
Value Percent
White 1,214 36.3%
Black or African American 6 0.2%
American Indian and Alaska Native 1,942 58.1%
Asian 49 1.5%
Two or more races 98 2.9%
Other 36 1.1%

Households in Bennett County

A peek inside Bennett County households

Bennett County has 920 households, with an average of 4 members in each. Of these, 78.7% are families, while the remaining 21.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
920
-10.2% year-over-year change
Average people per household
4
Non-family households
196
Family households
724
Value Percent YoY change
Non-family households 196 21.3% -33.1%
Family households 724 78.7% -1.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Bennett County

The housing landscape of Bennett County

Bennett County's housing consists of 1,151 units, with 82.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 9.5% of the housing landscape.

Housing units
1,151
-6.6% year-over-year change
Housing types
Value Percent
1 unit, detached 952 82.7%
1 unit, attached 7 0.6%
2 units 26 2.3%
3 or 4 units 15 1.3%
5 to 9 units 31 2.7%
10 to 19 units 1 0.1%
Mobile home 109 9.5%
Boat, RV, van, etc. 10 0.9%
Homes built since 2020
0
% year-over-year change

The age of buildings in Bennett County

In Bennett County, the median construction year is 1973. About 14.1% of homes were built before the 1940s, with another 10.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 162 14.1% 3.9%
Built between 1940 and 1949 119 10.3% -31.6%
Built between 1950 and 1959 154 13.4% 0.0%
Built between 1960 and 1969 73 6.3% -15.1%
Built between 1970 and 1979 215 18.7% -25.4%
Built between 1980 and 1989 176 15.3% 32.3%
Built between 1990 and 1999 149 13% -16.8%
Built between 2000 and 2009 54 4.7% 14.9%
Built between 2010 and 2019 49 4.3% 226.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Bennett County occupancy rates

Out of the 920 occupied housing units in Bennett County, 61.2% are owner-occupied, while 38.8% are lived in by tenants. Meanwhile, 20.1% of all homes on the local market sit vacant.

Occupied housing units
920
-10.2% year-over-year change
Occupancy breakdown
Renter occupied
357
Owner occupied
563
Value Percent YoY
change
Renter occupied 357 38.8% -17.6%
Owner occupied 563 61.2% -4.7%
Unoccupied housing units
20.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Bennett County housing costs

Housing costs in Bennett County come to a median of $620 per month, while tenants specifically pay a median gross rent of $617.

Median housing costs per month
$620/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Bennett County
$617/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Bennett County

Bennett County education at a glance

About 45.2% of the population in Bennett County went to high school, while 25.4% pursued college studies. Another 9.3% earned an associate degree and 12.2% hold a bachelor’s. Meanwhile, 2.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 113 5.2% 31.4%
High school diploma 982 45.2% -9.4%
College diploma 551 25.4% 8.5%
Associate degree 202 9.3% 38.4%
Bachelor's degree 265 12.2% -17.2%
Graduate degree 58 2.7% 3.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Bennett County

How much people earn in Bennett County

The average annual household income in Bennett County was $59,835 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.2% change from the previous year. At the same time, the median income stood at $53,750, reflecting a +20.6% shift over the same period.

Average household income in Bennett County
$59,835/year
0.2% year-over-year change
Median household income in Bennett County
$53,750/year
20.6% year-over-year change

Bennett County income by age

In Bennett County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $71,618. Those with someone between 45 and 64 in charge, often well established professionally, earn $73,276 overall. Overall, 70.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $71,618 48.3%
45 - 64 $73,276 4.4%
Over 65 $38,929 14.2%
Above poverty level
2,286
Below poverty level
970
Value Percent YoY
change
Above poverty level 2,286 70.2% 2.1%
Below poverty level 970 29.8% -4.4%

Employment in Bennett County

Workforce and job types in Bennett County

The job market in Bennett County is powered by 1,062 working residents, spread across a range of industries and roles. 76.8% of the working population are employed in professional or administrative positions, while 23.2% are in hands-on or service-based jobs. Also, 15.2% run their own businesses, 46.3% are employed by private companies, and 27.5% work in the public sector.

Workforce demographics

Working population
1,062
-0.7% year-over-year change
White collar
816
Blue collar
246
Value Percent YoY change
White collar 816 76.8% 0.7%
Blue collar 246 23.2% -5.0%
Employer type
Self employees
15.2%
Private companies
46.3%
Governmental workers
27.5%
Not for profit companies
10.9%
Value Percent YoY change
Self employees 162 15.2% -31.1%
Private companies 492 46.3% 41.8%
Governmental workers 292 27.5% -19.8%
Not for profit companies 116 10.9% -5.7%
Unemployment rate
10.0%
0.8% year-over-year change

Available workforce

The unemployment rate in Bennett County stands at 10%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Bennett County

How people get around in Bennett County

In Bennett County, the average commute time is 12 minutes. Commuting methods vary: 87% of residents travel by personal vehicle and 5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
12 min
Means of transportation
Value Percent YoY change
Car 912 87% 2.9%
Walk 52 5% -35.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Bennett County by zipcode?

Zipcode Population Number of households Median income Average income
57551 2,084 666 $70,096 $69,403
57560 391 135 $0 $21,587
57574 73 38 $2,499 $32,684
57714 1,144 182 $0 $38,206

Explore more communities

FAQs about Bennett County demographics 

What is the total population of Bennett County?

Bennett County has a total population of 3,345 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.3% compared to a year ago.

What is the gender ratio in Bennett County?

The gender ratio in Bennett County is as follows:
  • 48.4% males (1,619 residents)
  • 51.6% females (1,726 residents)

What is the median age in Bennett County?

The median age in Bennett County is 27.4.

What is the age distribution of the population in Bennett County?

The age distribution in Bennett County is as follows:
  • Under 15: 27% (902 residents)
  • Ages 15-24: 21.2% (709 residents)
  • Ages 25-44: 19.5% (652 residents)
  • Ages 45-64: 17% (570 residents)
  • Over 65: 15.3% (512 residents)

What is the racial and ethnic makeup of Bennett County?

The racial and ethnic makeup of Bennett County is as follows:
  • White: 36.3% (1,214 residents)
  • Black or African American: 0.2% (6 residents)
  • American Indian and Alaska Native: 58.1% (1,942 residents)
  • Asian: 1.5% (49 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 2.9% (98 residents)
  • Other: 1.1% (36 residents)

What percentage of the population in Bennett County are U.S.-born citizens?

U.S.-born citizens represent 98.2% of the population in Bennett County.

How many housing units are there in Bennett County?

There are 1,151 housing units in Bennett County, reflecting a -6.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Bennett County and what is the average household size?

Bennett County has a total of 920 households, with an average of 4 people in each.

What is the median household income in Bennett County?

Bennett County has a median household income of $53,750, representing a +20.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Bennett County?

The employment rate is 90% in Bennett County, with a workforce of 1,062 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 76.8% (816 residents)
  • Blue-collar workers: 23.2% (246 residents)

Places of employment:
  • Self-employed: 15.2% (162 residents)
  • Private companies: 46.3% (492 residents)
  • Governmental workers: 27.5% (292 residents)
  • Not-for-profit companies: 10.9% (116 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025