Martin, SD demographics:
population, income, and more

Total population
947
-10.2% year-over-year change
Median household income
$54,063/yr
9.0% year-over-year change
Housing units
398
-10.8% year-over-year change

Martin population

How many people live in Martin

Martin is home to 947 residents, according to the most recent Census data. Gender-wise, 37.4% of Martin locals are male, and 62.6% are female.

Total population
947
-10.2% year-over-year change
Gender ratio
Male
37.4%
354
Female
62.6%
593
Value Percent YoY change
Male 354 37.4% -13.2%
Female 593 62.6% -8.2%
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 Martin is 34, with the population distributed as follows: about 24.4% are children under 15, then 17.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.1% of the population, while another 16.2% fall into the 45 to 64 bracket. Finally, around 15.5% are 65 or older.

Median age
34.3
Age breakdown
Under 15
24.4%
15 to 24
17.8%
25 to 44
26.1%
45 to 64
16.2%
Over 65
15.5%
Value Percent YoY change
Under 15 231 24.4% -12.2%
15 to 24 169 17.8% -2.3%
25 to 44 247 26.1% -13.3%
45 to 64 153 16.2% -12.1%
Over 65 147 15.5% -7.5%
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 Martin, 96.2% of the population are US-born citizens, while 0.4% have gained naturalized citizenship. At the same time, 3.4% of residents are non-citizens. There’s also a share of 3.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.2%
Non-U.S.-born citizens
0.4%
Non-citizens
3.4%
Value Percent YoY change
U.S.-born citizens 911 96.2% -9.6%
Non-U.S.-born citizens 4 0.4% -33.3%
Non-citizens 32 3.4% -20.0%
Racial breakdown
White
48.4%
Black or African American
0%
American Indian and Alaska Native
43%
Asian
5.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.3%
Other
0.2%
Value Percent
White 458 48.4%
American Indian and Alaska Native 407 43%
Asian 49 5.2%
Two or more races 31 3.3%
Other 2 0.2%

Households in Martin

A peek inside Martin households

Martin has 313 households, with an average of 3 members in each. Of these, 74.1% are families, while the remaining 25.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
313
-15.9% year-over-year change
Average people per household
3
Non-family households
81
Family households
232
Value Percent YoY change
Non-family households 81 25.9% -38.6%
Family households 232 74.1% -3.3%
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 Martin

The housing landscape of Martin

Martin's housing consists of 398 units, with 74.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.5% 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 11.1% of the housing landscape.

Housing units
398
-10.8% year-over-year change
Housing types
Value Percent
1 unit, detached 298 74.9%
1 unit, attached 2 0.5%
2 units 17 4.3%
3 or 4 units 15 3.8%
5 to 9 units 21 5.3%
10 to 19 units 1 0.2%
Mobile home 44 11.1%
Homes built since 2020
0
% year-over-year change

The age of buildings in Martin

In Martin, the median construction year is 1957. About 17.1% of homes were built before the 1940s, with another 16.1% 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 68 17.1% 33.3%
Built between 1940 and 1949 64 16.1% -36.0%
Built between 1950 and 1959 92 23.1% -11.5%
Built between 1960 and 1969 59 14.8% -6.3%
Built between 1970 and 1979 59 14.8% 11.3%
Built between 1980 and 1989 8 2% 33.3%
Built between 1990 and 1999 18 4.5% -50.0%
Built between 2000 and 2009 6 1.5% -66.7%
Built between 2010 and 2019 24 6% 60.0%
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.

Martin occupancy rates

Out of the 313 occupied housing units in Martin, 63.6% are owner-occupied, while 36.4% are lived in by tenants. Meanwhile, 21.4% of all homes on the local market sit vacant.

Occupied housing units
313
-15.9% year-over-year change
Occupancy breakdown
Renter occupied
114
Owner occupied
199
Value Percent YoY
change
Renter occupied 114 36.4% -14.9%
Owner occupied 199 63.6% -16.4%
Unoccupied housing units
21.4%
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.

Martin housing costs

Housing costs in Martin come to a median of $731 per month, while tenants specifically pay a median gross rent of $638.

Median housing costs per month
$731/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 Martin
$638/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 Martin

Martin education at a glance

About 38.3% of the population in Martin went to high school, while 14.4% pursued college studies. Another 11.3% earned an associate degree and 26% hold a bachelor’s. Meanwhile, 7.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 15 2.4% 15.4%
High school diploma 240 38.3% -13.0%
College diploma 90 14.4% -13.5%
Associate degree 71 11.3% -12.3%
Bachelor's degree 163 26% -2.4%
Graduate degree 48 7.7% -4.0%
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 Martin

How much people earn in Martin

The average annual household income in Martin was $66,854 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $54,063, reflecting a +9% shift over the same period.

Average household income in Martin
$66,854/year
4.0% year-over-year change
Median household income in Martin
$54,063/year
9.0% year-over-year change

Martin income by age

In Martin, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $66,667. Those with someone between 45 and 64 in charge, often well established professionally, earn $73,750 overall. Overall, 82.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $66,667 5.7%
45 - 64 $73,750 3.6%
Over 65 $38,214 18.1%
Above poverty level
734
Below poverty level
158
Value Percent YoY
change
Above poverty level 734 82.3% -13.4%
Below poverty level 158 17.7% 6.0%

Average renter income in Martin

To get a better sense of what renters earn on average in Martin, their median household income was $41,339 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 18.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$41,339
Rent-to-income ratio
18.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Martin

Workforce and job types in Martin

The job market in Martin is powered by 398 working residents, spread across a range of industries and roles. 77.9% of the working population are employed in professional or administrative positions, while 22.1% are in hands-on or service-based jobs. Also, 10.3% run their own businesses, 43.7% are employed by private companies, and 29.2% work in the public sector.

Workforce demographics

Working population
398
-6.8% year-over-year change
White collar
310
Blue collar
88
Value Percent YoY change
White collar 310 77.9% -4.0%
Blue collar 88 22.1% -15.4%
Employer type
Self employees
10.3%
Private companies
43.7%
Governmental workers
29.2%
Not for profit companies
16.8%
Value Percent YoY change
Self employees 41 10.3% -28.1%
Private companies 174 43.7% 4.8%
Governmental workers 116 29.2% -10.8%
Not for profit companies 67 16.8% -9.5%
Unemployment rate
5.0%
-12.5% year-over-year change

Available workforce

The unemployment rate in Martin stands at 5%, 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 Martin

How people get around in Martin

Commuting methods vary: 85.4% of residents travel by personal vehicle and 7.8% 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 340 85.4% -0.9%
Walk 31 7.8% -47.5%
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 Martin by zipcode?

Zipcode Population Number of households Median income Average income
57551 2,084 666 $70,096 $69,403

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FAQs about Martin demographics 

What is the total population of Martin?

Martin has a total population of 947 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 -10.2% compared to a year ago.

What is the gender ratio in Martin?

The gender ratio in Martin is as follows:
  • 37.4% males (354 residents)
  • 62.6% females (593 residents)

What is the median age in Martin?

The median age in Martin is 34.3.

What is the age distribution of the population in Martin?

The age distribution in Martin is as follows:
  • Under 15: 24.4% (231 residents)
  • Ages 15-24: 17.8% (169 residents)
  • Ages 25-44: 26.1% (247 residents)
  • Ages 45-64: 16.2% (153 residents)
  • Over 65: 15.5% (147 residents)

What is the racial and ethnic makeup of Martin?

The racial and ethnic makeup of Martin is as follows:
  • White: 48.4% (458 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 43% (407 residents)
  • Asian: 5.2% (49 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.3% (31 residents)
  • Other: 0.2% (2 residents)

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

U.S.-born citizens represent 96.2% of the population in Martin.

How many housing units are there in Martin?

There are 398 housing units in Martin, reflecting a -10.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Martin has a total of 313 households, with an average of 3 people in each.

What is the median household income in Martin?

Martin has a median household income of $54,063, representing a +9.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Martin?

The employment rate is 95% in Martin, with a workforce of 398 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.9% (310 residents)
  • Blue-collar workers: 22.1% (88 residents)

Places of employment:
  • Self-employed: 10.3% (41 residents)
  • Private companies: 43.7% (174 residents)
  • Governmental workers: 29.2% (116 residents)
  • Not-for-profit companies: 16.8% (67 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