Chelsea, SD demographics:
population, income, and more

Total population
61
7.0% year-over-year change
Median household income
$/yr
% year-over-year change
Housing units
22
46.7% year-over-year change

Chelsea population

How many people live in Chelsea

Chelsea is home to 61 residents, according to the most recent Census data. Gender-wise, 78.7% of Chelsea locals are male, and 21.3% are female.

Total population
61
7.0% year-over-year change
Gender ratio
Male
78.7%
48
Female
21.3%
13
Value Percent YoY change
Male 48 78.7% 11.6%
Female 13 21.3% -7.1%
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

Finally, around 19.7% are 65 or older.

Median age
52.1
Age breakdown
Under 15
0%
15 to 24
42.6%
25 to 44
0%
45 to 64
37.7%
Over 65
19.7%
Value Percent YoY change
15 to 24 26 42.6% -7.1%
45 to 64 23 37.7% 27.8%
Over 65 12 19.7% 9.1%
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

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 61 100% 7.0%
Racial breakdown
White
100%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0%
Value Percent
White 61 100%

Households in Chelsea

A peek inside Chelsea households

Chelsea has 22 households, with an average of 3 members in each. Of these, 59.1% are families, while the remaining 40.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
22
46.7% year-over-year change
Average people per household
3
Non-family households
9
Family households
13
Value Percent YoY change
Non-family households 9 40.9% 200.0%
Family households 13 59.1% 8.3%
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 Chelsea

The housing landscape of Chelsea

Chelsea's housing consists of 22 units, with 100% being detached single-family homes ideal for those wanting space.

Housing units
22
46.7% year-over-year change
Housing types
Value Percent
1 unit, detached 22 100%
Homes built since 2020
0
% year-over-year change

The age of buildings in Chelsea

In Chelsea, the median construction year is 1938. 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 16 72.7% 77.8%
Built between 1950 and 1959 2 9.1% 0.0%
Built between 1960 and 1969 4 18.2% 0.0%
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.

Chelsea occupancy rates

Out of the 22 occupied housing units in Chelsea, 90.9% are owner-occupied, while 9.1% are lived in by tenants.

Occupied housing units
22
46.7% year-over-year change
Occupancy breakdown
Renter occupied
2
Owner occupied
20
Value Percent YoY
change
Renter occupied 2 9.1% 0.0%
Owner occupied 20 90.9% 53.9%
Unoccupied housing units
0.0%
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.

Chelsea housing costs

Median housing costs per month
$295/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.

Education in Chelsea

Chelsea education at a glance

About 18% of the population in Chelsea went to high school, while 26.2% pursued college studies. Another earned an associate degree and 54.1% hold a bachelor’s.

Education level
Value Percent YoY change
No high school 1 1.6% N/A
High school diploma 11 18% 266.7%
College diploma 16 26.2% -5.9%
Bachelor's degree 33 54.1% -8.3%
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 Chelsea

How much people earn in Chelsea

The average annual household income in Chelsea was $172,518 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -22.8% change from the previous year.

Average household income in Chelsea
$172,518/year
-22.8% year-over-year change

Chelsea income by age

Overall, 100% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Over 65 $163,125 3.0%
Above poverty level
61
Below poverty level
0
Value Percent YoY
change
Above poverty level 61 100% 7.0%

Employment in Chelsea

Workforce and job types in Chelsea

The job market in Chelsea is powered by 43 working residents, spread across a range of industries and roles. 81.4% of the working population are employed in professional or administrative positions, while 18.6% are in hands-on or service-based jobs. Also, 20.9% run their own businesses, 74.4% are employed by private companies, and 4.6% work in the public sector.

Workforce demographics

Working population
43
13.2% year-over-year change
White collar
35
Blue collar
8
Value Percent YoY change
White collar 35 81.4% -7.9%
Blue collar 8 18.6% N/A
Employer type
Self employees
20.9%
Private companies
74.4%
Governmental workers
4.6%
Not for profit companies
0%
Value Percent YoY change
Self employees 9 20.9% 350.0%
Private companies 32 74.4% -8.6%
Governmental workers 2 4.6% 100.0%

Transportation in Chelsea

How people get around in Chelsea

Commuting methods vary: 97.7% of residents travel by personal vehicle and 2.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 42 97.7% 10.5%
Walk 1 2.3% N/A
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 Chelsea by zipcode?

Zipcode Population Number of households Median income Average income
57465 438 159 $120,250 $134,318

Explore more communities

FAQs about Chelsea demographics 

What is the total population of Chelsea?

Chelsea has a total population of 61 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 +7.0% compared to a year ago.

What is the gender ratio in Chelsea?

The gender ratio in Chelsea is as follows:
  • 78.7% males (48 residents)
  • 21.3% females (13 residents)

What is the median age in Chelsea?

The median age in Chelsea is 52.1.

What is the age distribution of the population in Chelsea?

The age distribution in Chelsea is as follows:
  • Under 15: 0% (0 residents)
  • Ages 15-24: 42.6% (26 residents)
  • Ages 25-44: 0% (0 residents)
  • Ages 45-64: 37.7% (23 residents)
  • Over 65: 19.7% (12 residents)

What is the racial and ethnic makeup of Chelsea?

The racial and ethnic makeup of Chelsea is as follows:
  • White: 100% (61 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 0% (0 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 100% of the population in Chelsea.

How many housing units are there in Chelsea?

There are 22 housing units in Chelsea, reflecting a +46.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Chelsea has a total of 22 households, with an average of 3 people in each.

What is the job market overview for Chelsea?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.4% (35 residents)
  • Blue-collar workers: 18.6% (8 residents)

Places of employment:
  • Self-employed: 20.9% (9 residents)
  • Private companies: 74.4% (32 residents)
  • Governmental workers: 4.6% (2 residents)
  • Not-for-profit companies: 0% (0 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