County profile

Lyman County

South Dakota · ACS 2020–2024

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Latest estimates

At a glance

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

Total population
3,724
Median household income
$67,143
People below poverty
23.7%
Median home value
$165,800

Income

The median income of households in Lyman County, South Dakota was $67,143. An estimated 4% of households had income below $10,000 a year and 7.2% had income of $200,000 or more.

Household Income in Lyman County, South Dakota in 2020-2024

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Percent
Less than $10,000 4
$10,000 to $14,999 6.9
$15,000 to $24,999 7.6
$25,000 to $34,999 8.8
$35,000 to $49,999 9.2
$50,000 to $74,999 19.4
$75,000 to $99,999 11.9
$100,000 to $149,999 14.1
$150,000 to $199,999 10.9
$200,000 or more 7.2

Median Earnings for Full-Time Year-Round Workers by Sex in Lyman County, South Dakota in 2020-2024

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Dollars
Male 60032
Female 47639

An estimated 72.6% of households received earnings. An estimated 36.9% of households received Social Security and an estimated 20.1 % of households received retirement income other than Social Security. The average income from Social Security was $21,939. 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 Lyman County, South Dakota in 2020-2024

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Percent
Earnings 72.6
Social Security 36.9
Retirement income 20.1
Supplemental Security Income (SSI) 5.6
Cash public assistance income 8.2

Poverty and Participation in Government Programs

In 2020-2024, 23.7 % of people were in poverty. An estimated 30.1% of children under 18 were below the poverty level, compared with 17.3% of people 65 years old and over. An estimated 22.6% of people 18 to 64 years were below the poverty level.

Poverty Rates in Lyman County, South Dakota in 2020-2024

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Percent
People in poverty 23.7
Children under 18 years below poverty 30.1
People 65 years old and over below poverty 17.3
People 18 to 64 years below poverty 22.6

In 2020-2024, 11.4 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 59.6% of households that received SNAP had children under 18, and 45.6% of households that received SNAP had one or more people 60 years and over. An estimated 38.2% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Lyman County, South Dakota in 2020-2024, 78.7% had health insurance coverage and 21.3% did not have health insurance coverage. Private coverage was 55.9% and public coverage was 32%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 24.5%.


In 2020-2024, Lyman County, South Dakota had a total population of 3,724 - 1,776 (47.7%) females and 1,948 (52.3%) males. The median age was 36.1 years. An estimated 28% of the population was under 18 years, 28.5% was 19 to 44 years, 23.4% was 45 to 64 years, and 18.3 % was 65 years and older.

Population by Age and Sex for Lyman County, South Dakota in 2020-2024

Male Female
Under 5 153 152
5 to 9 164 162
10 to 14 128 115
15 to 19 127 109
20 to 24 130 117
25 to 29 116 102
30 to 34 86 98
35 to 39 142 104
40 to 44 94 73
45 to 49 128 85
50 to 54 76 92
55 to 59 73 116
60 to 64 183 117
65 to 69 166 101
70 to 74 60 101
75 to 79 80 40
80 to 84 20 39
85 and over 22 53

Hispanic Origin and Race

For people reporting one race alone, 57.9% were White; 0% were Black or African American; 2.5% were American Indian and Alaska Native; 0% were Asian; 0% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 2% reported Two or More Races. An estimated 1.2% of the people in Lyman County, South Dakota were Hispanic or Latino. An estimated 57.1% of the people in Lyman County, South Dakota were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 1,188 households in Lyman County, South Dakota. The average household size was 3.07 people.

Married-couple households made up 46.5% of the households in Lyman County, South Dakota while cohabiting couple households made up 5.1% of households. Female householders with no spouse or partner present were 25.3% of all households, while 23.1% of households had male householders with no spouse or partner present. Some households had one person, as 18.4% of households were male householders living alone, and 13.7% were female householders living alone, for a total of 32.1% of all households.

In Lyman County, South Dakota, 28.1% of all households had one or more people under the age of 18; 40.7% of all households had one or more people 65 years and over.

Types of Households in Lyman County, South Dakota in 2020-2024

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Percent
Married-couple households 46.5
Cohabiting Couples 5.1
Male Householder
No spouse/partner present
23.1
Female Householder
No spouse/partner present
25.3

Marital Status

Among persons 15 and older, 39.3% of males and 41% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 41.9 37.3
Now married, except separated 39.3 41
Separated 1.5 0.6
Widowed 6.3 11.5
Divorced 11 9.6

Grandparents and Grandchildren

In Lyman County, South Dakota, 94 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 57.4% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 99.4% of the people living in Lyman County, South Dakota were U.S. natives. 87.9% of the Lyman County, South Dakota population were living in the state where they were born.

Approximately 0.6% of Lyman County, South Dakota residents in 2020-2024 were foreign-born. 22.7% of foreign-born were naturalized U.S. citizens and an estimated 13.6 % entered the country before the year 2010.

Foreign-born residents of Lyman County, South Dakota 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 Lyman County, South Dakota.

Region of Birth for the Foreign-Born Population in Lyman County, South Dakota in 2020-2024

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Percent
Latin America 59.1
Asia 4.5
Europe 22.7
Africa 13.6
Northern America 0
Oceania 0

Language

Among people at least five years old living in Lyman County, South Dakota in 2020-2024, 3.7 % spoke a language other than English at home. Spanish was spoken by 0.4% of people at least five years old; 0.9% 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 Lyman County, South Dakota in 2020-2024

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Percent
Spanish 0.4
Other Indo-European languages 0.4
Asian and Pacific Islander languages 0
Other languages 3

Geographic Mobility

In 2020-2024, 94 % of the people at least one year old living in Lyman County, South Dakota were living in the same house one year earlier.

Geographic Mobility of Residents of Lyman County, South Dakota in 2020-2024

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Percent
Same house 94
Different house, same county 1.2
Different county, same state 2.8
Different state 1.4
Abroad 0.6

Education

In 2020-2024, 89.4 % of people 25 years and over had at least graduated from high school and 24.5% had a bachelor's degree or higher. An estimated 10.6% did not complete high school.

The total school enrollment in Lyman County, South Dakota was 870 in 2020-2024. Nursery school enrollment was 81 and kindergarten through 12th grade enrollment was 695. College or graduate school enrollment was 94.

Educational Attainment of People in Lyman County, South Dakota in 2020-2024

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Percent
Less than high school diploma 10.6
High school diploma or equivalency 41
Some college, no degree 13.4
Associate's degree 10.5
Bachelor's degree 19.6
Graduate or professional degree 4.9

Disability

In Lyman County, South Dakota, among the civilian noninstitutionalized population in 2020-2024, 13 % reported a disability. The likelihood of having a disability varied by age - from 2.1% of people under 18 years old, to 11.9% of people 18 to 64 years old, and to 33% of those 65 and over.


Employment Status and Type of Employer

In Lyman County, South Dakota, 54.7 % of the population 16 and over were employed; 42.7% were not currently in the labor force.

An estimated 55.5% of the people employed were private wage and salary workers; 34.3% were federal, state, or local government workers; and 9.3 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 850 55.5
Federal, state, or local government workers 526 34.3
Self-employed workers in own not incorporated business 143 9.3

Industries

In 2020-2024, the civilian employed population 16 years and older in Lyman County, South Dakota worked in the following industries:

Percent by Industry in Lyman County, South Dakota in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 22.5
Construction 7.2
Manufacturing 2.6
Wholesale trade 2
Retail trade 9.9
Transportation and warehousing, and utilities 2.6
Information 1.8
Finance and insurance, and real estate and rental and leasing 3.7
Professional, scientific, and management, and administrative and waste management services 3.7
Educational services, and health care and social assistance 23.6
Arts, entertainment, and recreation, and accommodation, and food services 7.5
Other Services, except public administration 3
Public administration 10

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Lyman County, South Dakota in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 582 38
Service occupations 270 17.6
Sales and office occupations 318 20.8
Natural resources, construction, and maintenance occupations 233 15.2
Production, transportation, and material moving occupations 129 8.4

Commuting to Work

An estimated 73.4% of Lyman County, South Dakota workers drove to work alone in 2020-2024, and 8.2% carpooled. Among those who commuted to work, it took them on average 15.8 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Lyman County, South Dakota in 2020-2024

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Percent
Car, truck, van -- drove alone 73.4
Car, truck, van -- carpooled 8.2
Public transportation (excluding taxicab) 0.8
Walked 3.1
Other means 3.4
Worked from home 11.2

In 2020-2024, Lyman County, South Dakota had a total of 1,553 housing units. Of these housing units, 81.7% 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"). 6.8% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 10.8% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Lyman County, South Dakota in 2020-2024

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Percent
Single-family houses 81.7
Apartments in multi-unit structures 6.8
Mobile homes 10.8
Boat, RV, van, etc 0.7

5.5% of the housing inventory was comprised of houses built since 2010, while 13.1% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Lyman County, South Dakota was 5.9 rooms, and of these housing units 66.7% had three or more bedrooms.


In 2020-2024, Lyman County, South Dakota had 1,188 housing units that were occupied or had people living in them, while the remaining 365 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 69.9% while renters occupied 30.1%. The average household size of owner-occupied houses was 2.87 and in renter-occupied houses it was 3.54.

2.2% of householders of these occupied houses had moved into their house since 2021, while 16.8% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 5.7% and another 30.7% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Lyman County, South Dakota:

House Heating Fuel Used in Lyman County, South Dakota in 2020-2024

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Percent
Gas 48.6
Electricity 45.9
Fuel oil, kerosene, etc 2.6
All other fuels 2.2
No fuel used 0.6

In 2020-2024, the median property value for owner-occupied houses in Lyman County, South Dakota was $165,800.

Of the owner-occupied households, 25.4 % had a mortgage. 74.6% 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 $1,396 and for owners without a mortgage it was $597.

For renter-occupied houses, the median gross rent for Lyman County, South Dakota was $651. 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.