ZIP Code Tabulation Area

57730

Custer, SD · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
5,596
Median household income
$83,469
People below poverty
10%
Median home value
$378,800

Income

The median income of households in 57730 was $83,469. An estimated 3% of households had income below $10,000 a year and 6.4% had income of $200,000 or more.

Household Income in 57730 in 2020-2024

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Percent
Less than $10,000 3
$10,000 to $14,999 2.7
$15,000 to $24,999 9.7
$25,000 to $34,999 3.7
$35,000 to $49,999 10.7
$50,000 to $74,999 14.3
$75,000 to $99,999 22.4
$100,000 to $149,999 16.4
$150,000 to $199,999 10.8
$200,000 or more 6.4

Median Earnings for Full-Time Year-Round Workers by Sex in 57730 in 2020-2024

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Dollars
Male 81716
Female 46201

An estimated 66.7% of households received earnings. An estimated 46.6% of households received Social Security and an estimated 38.3 % of households received retirement income other than Social Security. The average income from Social Security was $27,076. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 57730 in 2020-2024

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Percent
Earnings 66.7
Social Security 46.6
Retirement income 38.3
Supplemental Security Income (SSI) 4.4
Cash public assistance income 2.3

Poverty and Participation in Government Programs

In 2020-2024, 10 % of people were in poverty. An estimated 9.9% of children under 18 were below the poverty level, compared with 16.6% of people 65 years old and over. An estimated 5.5% of people 18 to 64 years were below the poverty level.

Poverty Rates in 57730 in 2020-2024

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Percent
People in poverty 10
Children under 18 years below poverty 9.9
People 65 years old and over below poverty 16.6
People 18 to 64 years below poverty 5.5

In 2020-2024, 4.9 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 52.6% of households that received SNAP had children under 18, and 52.6% of households that received SNAP had one or more people 60 years and over. An estimated 28.1% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 57730 in 2020-2024, 87.2% had health insurance coverage and 12.8% did not have health insurance coverage. Private coverage was 73.4% and public coverage was 45.1%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 29.5%.


In 2020-2024, 57730 had a total population of 5,596 - 2,931 (52.4%) females and 2,665 (47.6%) males. The median age was 57.9 years. An estimated 13.6% of the population was under 18 years, 22.5% was 19 to 44 years, 27.2% was 45 to 64 years, and 36.4 % was 65 years and older.

Population by Age and Sex for 57730 in 2020-2024

Male Female
Under 5 43 124
5 to 9 53 131
10 to 14 125 86
15 to 19 73 143
20 to 24 135 154
25 to 29 152 115
30 to 34 93 107
35 to 39 138 145
40 to 44 150 73
45 to 49 226 179
50 to 54 60 89
55 to 59 217 190
60 to 64 269 291
65 to 69 295 415
70 to 74 289 325
75 to 79 179 187
80 to 84 133 122
85 and over 35 55

Hispanic Origin and Race

For people reporting one race alone, 88.2% were White; 0.3% were Black or African American; 9.1% were American Indian and Alaska Native; 0.6% were Asian; 0.2% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 7.1% reported Two or More Races. An estimated 2.3% of the people in 57730 were Hispanic or Latino. An estimated 86.8% of the people in 57730 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 2,733 households in 57730. The average household size was 1.97 people.

Married-couple households made up 60.6% of the households in 57730 while cohabiting couple households made up 6.6% of households. Female householders with no spouse or partner present were 18.6% of all households, while 14.3% of households had male householders with no spouse or partner present. Some households had one person, as 11.2% of households were male householders living alone, and 13.9% were female householders living alone, for a total of 25.1% of all households.

In 57730, 22.2% of all households had one or more people under the age of 18; 46.1% of all households had one or more people 65 years and over.

Types of Households in 57730 in 2020-2024

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Percent
Married-couple households 60.6
Cohabiting Couples 6.6
Male Householder
No spouse/partner present
14.3
Female Householder
No spouse/partner present
18.6

Marital Status

Among persons 15 and older, 67.8% of males and 67.7% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 20.3 14.7
Now married, except separated 67.8 67.7
Separated 0.2 0.2
Widowed 5.4 9.1
Divorced 6.3 8.2

Grandparents and Grandchildren

In 57730, 46 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 19.6% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 97.2% of the people living in 57730 were U.S. natives. 40.2% of the 57730 population were living in the state where they were born.

Approximately 2.8% of 57730 residents in 2020-2024 were foreign-born. 61.4% of foreign-born were naturalized U.S. citizens and an estimated 33.5 % entered the country before the year 2010.

Foreign-born residents of 57730 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 57730.

Region of Birth for the Foreign-Born Population in 57730 in 2020-2024

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Percent
Latin America 16.5
Asia 21.5
Europe 62
Africa 0
Northern America 0
Oceania 0

Language

Among people at least five years old living in 57730 in 2020-2024, 6.6 % spoke a language other than English at home. Spanish was spoken by 1.6% of people at least five years old; 0.1% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 57730 in 2020-2024

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Percent
Spanish 1.6
Other Indo-European languages 4.3
Asian and Pacific Islander languages 0.4
Other languages 0.4

Geographic Mobility

In 2020-2024, 88.6 % of the people at least one year old living in 57730 were living in the same house one year earlier.

Geographic Mobility of Residents of 57730 in 2020-2024

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Percent
Same house 88.6
Different house, same county 2.2
Different county, same state 3.3
Different state 5.8
Abroad 0.1

Education

In 2020-2024, 93.8 % of people 25 years and over had at least graduated from high school and 34% had a bachelor's degree or higher. An estimated 6.2% did not complete high school.

The total school enrollment in 57730 was 696 in 2020-2024. Nursery school enrollment was 22 and kindergarten through 12th grade enrollment was 566. College or graduate school enrollment was 108.

Educational Attainment of People in 57730 in 2020-2024

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Percent
Less than high school diploma 6.2
High school diploma or equivalency 24.7
Some college, no degree 25.6
Associate's degree 9.4
Bachelor's degree 23.7
Graduate or professional degree 10.3

Disability

In 57730, among the civilian noninstitutionalized population in 2020-2024, 20.3 % reported a disability. The likelihood of having a disability varied by age - from 10.3% of people under 18 years old, to 10.7% of people 18 to 64 years old, and to 38% of those 65 and over.


Employment Status and Type of Employer

In 57730, 49.8 % of the population 16 and over were employed; 49.3% were not currently in the labor force.

An estimated 68.3% of the people employed were private wage and salary workers; 19.8% were federal, state, or local government workers; and 11.5 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 1,676 68.3
Federal, state, or local government workers 485 19.8
Self-employed workers in own not incorporated business 282 11.5

Industries

In 2020-2024, the civilian employed population 16 years and older in 57730 worked in the following industries:

Percent by Industry in 57730 in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 13.5
Construction 8.4
Manufacturing 4.9
Wholesale trade 0
Retail trade 5.1
Transportation and warehousing, and utilities 8.6
Information 2.9
Finance and insurance, and real estate and rental and leasing 4.8
Professional, scientific, and management, and administrative and waste management services 10.1
Educational services, and health care and social assistance 17.6
Arts, entertainment, and recreation, and accommodation, and food services 12.2
Other Services, except public administration 3.3
Public administration 8.5

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 57730 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 908 37
Service occupations 488 19.9
Sales and office occupations 442 18
Natural resources, construction, and maintenance occupations 379 15.5
Production, transportation, and material moving occupations 236 9.6

Commuting to Work

An estimated 71.3% of 57730 workers drove to work alone in 2020-2024, and 8.4% carpooled. Among those who commuted to work, it took them on average 26.1 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 57730 in 2020-2024

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Percent
Car, truck, van -- drove alone 71.3
Car, truck, van -- carpooled 8.4
Public transportation (excluding taxicab) 0
Walked 4.4
Other means 1.9
Worked from home 13.9

In 2020-2024, 57730 had a total of 3,346 housing units. Of these housing units, 79.1% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 9.4% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 10.9% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 57730 in 2020-2024

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Percent
Single-family houses 79.1
Apartments in multi-unit structures 9.4
Mobile homes 10.9
Boat, RV, van, etc 0.5

15.4% of the housing inventory was comprised of houses built since 2010, while 13.2% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 57730 was 5.6 rooms, and of these housing units 63.4% had three or more bedrooms.


In 2020-2024, 57730 had 2,733 housing units that were occupied or had people living in them, while the remaining 613 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 80.4% while renters occupied 19.6%. The average household size of owner-occupied houses was 2.01 and in renter-occupied houses it was 1.8.

5.6% of householders of these occupied houses had moved into their house since 2021, while 9.9% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 1% and another 37.3% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 57730:

House Heating Fuel Used in 57730 in 2020-2024

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Percent
Gas 42
Electricity 39.6
Fuel oil, kerosene, etc 0.4
All other fuels 18.1
No fuel used 0

In 2020-2024, the median property value for owner-occupied houses in 57730 was $378,800.

Of the owner-occupied households, 53.6 % had a mortgage. 46.4% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,916 and for owners without a mortgage it was $750.

For renter-occupied houses, the median gross rent for 57730 was $1,087. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.