Day County, South Dakota Population and Demographics

In this article, we'll explore the population statistics for Day County, South Dakota, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Day County, South Dakota. The most basic data is the total population, which is the total number of people living in Day County, South Dakota. The estimated population of Day County, South Dakota is 5,487 people, with a median age of 47.3.

We can look at the total population in Day County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
5,487
+0.64%
-0.67%
2020
5,452
-0.62% -
2019
5,486
-0.36% -
2018
5,506
-0.33% -
2017
5,524
- -

Population of Day County, South Dakota by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
85.2%
86.3%
-1.27%
Black/African American
0%
0%
0.00%
Native
10.6%
10%
+6.00%
Hispanic
2.5%
2%
+25.00%
Asian
0.1%
0.1%
0.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.7%
1.6%
+6.25%
Other
0%
0%
0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Day County, South Dakota by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 47.3 -1.66% 45.5 -1.3% 48.6 -2.8%
2020 48.1 +0.84% 46.1 +1.77% 50 -0.6%
2019 47.7 -0.62% 45.3 -0.22% 50.3 -0.4%
2018 48 -0.83% 45.4 -3.2% 50.5 +1.61%
2017 48.4 - 46.9 - 49.7 -

The median age of Day County, South Dakota gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 378 -32.16% 326 -0.9% 269 322
10 to 19 264 +57.04% 282 +33.11% 427 373
20 to 29 271 -0.97% 267 -35.73% 264 179
30 to 39 345 -12.51% 228 +15.97% 288 265
40 to 49 228 +20.78% 247 -3.14% 278 237
50 to 59 500 -27.16% 427 -9.19% 374 387
60 to 69 450 +12.18% 378 0.49% 501 378
70+ 398 +1.04% 535 +2.15% 399 546

Median Household Income

The latest median household income of Day County, South Dakota is $52,775.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Day County.

  • Under 25
    $19,375.00
  • 25 to 44
    $62,292.00
  • 45 to 64
    $64,531.00
  • 65 and over
    $43,616.00

Average Household Income

Whenever we ask what is the average household income in Day County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Day County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Day County, South Dakota is currently $69,447.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

2.61% of households in Day County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Day County against other areas.

  • Less than $24,999
    20.32%
  • $25,000 to $49,999
    27.53%
  • $50,000 to $74,999
    17.93%
  • $75,000 to $99,999
    12.38%
  • $100,000 to $149,999
    14.98%
  • $150,000 to $199,999
    4.26%
  • $200,000 or more
    2.61%

Per Capita Income

The per capita income in Day County is $29,655.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Day County by the total population of Day County.

This is different from the average or mean income because it includes and accounts for all people in Day County, South Dakota, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Day County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    6.95%
  • Bachelor's degree
    27.37%
  • Some college or associate's degree
    8.44%
  • High school diploma or equivalent
    56.14%
  • Less than high school diploma
    1.09%

Employment

Employment rates are all based around the total population in Day County that are over the age of 16.

The total population of Day County over the age of 16 is 4,410.

Of those people, a total of 55.20% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Day County is 54.00%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 314 36.30% 7.90%
20 to 24 years 189 67.70% 0.00%
25 to 29 years 254 66.10% 0.00%
30 to 34 years 286 76.20% 2.30%
35 to 44 years 539 84.00% 3.30%
45 to 54 years 551 81.50% 1.30%
55 to 59 years 453 75.30% 3.20%
60 to 64 years 418 63.60% 0.80%
65 to 74 years 774 34.00% 1.90%
75 years and over 632 5.50% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Day County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 3,893 56.10% 0.80%
Black or African American 4 100.00% 0.00%
American Indian and Alaska Native 378 41.50% 20.40%
Asian 4 0.00% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 46 84.80% 0.00%
Two or more races 85 60.00% 5.90%
Hispanic or Latino 72 83.30% 0.00%
Not Hispanic or Latino 3,884 56.10% 0.80%

Occupations

In this section we can look at the most common occupations in Day County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Day County is 2,382, with median earnings of $37,363.00.

Women in Day County, South Dakota earning approximately 63.20% of the men's earnings.

Population Earnings
Total 2,382 $37,363.00
Male 1,341 $42,906.00
Female 1,041 $27,125.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 438 $48,958.00
Business and Financial 83 $47,411.00
Computer and Mathematical 5 $0.00
Architecture and Engineering 43 $63,125.00
Life, Physical, and Social Science 33 $58,750.00
Community and Social Service 17 $42,188.00
Legal 19 $41,042.00
Educational and Library 135 $28,125.00
Arts, Design, Entertainment, Sports, and Media 28 $0.00
Healthcare Practitioners 105 $63,456.00
Healthcare Support 79 $17,125.00
Firefighters and Protective Service 0 $0.00
Law Enforcement 3 $0.00
Food Preparation and Serving 112 $18,750.00
Building and Grounds Cleaning 112 $20,833.00
Personal Care and Service 46 $8,500.00
Sales 159 $41,985.00
Office and Administrative Support 311 $31,477.00
Farming, Fishing, and Forestry 100 $34,559.00
Construction and Extraction 143 $43,125.00
Installation, Maintenance, and Repair 105 $40,912.00
Production 142 $38,906.00
Transportation and Material Moving 107 $51,458.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 328 $50,288.00 110 $48,043.00
Business and Financial 41 $53,906.00 42 $41,364.00
Computer and Mathematical 5 $0.00 0 $0.00
Architecture and Engineering 38 $63,365.00 5 $0.00
Life, Physical, and Social Science 24 $62,500.00 9 $0.00
Community and Social Service 7 $32,188.00 10 $48,750.00
Legal 6 $0.00 13 $0.00
Educational and Library 13 $0.00 122 $30,385.00
Arts, Design, Entertainment, Sports, and Media 28 $0.00 0 $0.00
Healthcare Practitioners 21 $72,917.00 84 $63,235.00
Healthcare Support 0 $0.00 79 $17,125.00
Firefighters and Protective Service 0 $0.00 0 $0.00
Law Enforcement 3 $0.00 0 $0.00
Food Preparation and Serving 23 $11,042.00 89 $21,058.00
Building and Grounds Cleaning 65 $30,521.00 47 $20,139.00
Personal Care and Service 3 $0.00 43 $7,750.00
Sales 105 $52,969.00 54 $18,750.00
Office and Administrative Support 57 $43,451.00 254 $26,094.00
Farming, Fishing, and Forestry 88 $35,000.00 12 $0.00
Construction and Extraction 129 $43,188.00 14 $0.00
Installation, Maintenance, and Repair 102 $41,014.00 3 $0.00
Production 112 $41,250.00 30 $24,545.00
Transportation and Material Moving 93 $50,625.00 14 $108,500.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 2,303 households in Day County, with an average household size of 2.34 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 1,417 families in Day County with an average family size of 2.98 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 1,116 156 145 886
Average Household Size 2.88 3.26 4.51 1.14
Total Families 1,116 156 145 0
Average Household Size 2.88 2.66 4.15 0

Poverty

Of the 1,417 families in Day County, 11.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Day County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 3,446 housing units in Day County, South Dakota.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 2,303 66.83%
Vacant 1,143 33.17%

13.03% of the total 3,446 housing units in Day County are rental units. This is approximately 449 properties.

For owner-occupied housing units, a total of 1,742 are occupied by the owner - or 50.55% of the total.

Rental Rates

The median rent for a property in Day County is $549.00.

In the chart below, we can look at the number of rental properties in Day County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    112
  • Less than $500
    176
  • $500 to $999
    212
  • $1,000 to $1,499
    60
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    1

Property Value

The median value of a property in Day County is $120,700.00.

Just like with rental rates, we can look at the number of properties in Day County that fall into a particular value range.

  • Less than $50,000
    259
  • $50,000 to $99,999
    459
  • $100,000 to $149,999
    228
  • $150,000 to $199,999
    278
  • $200,000 to $299,999
    225
  • $300,000 to $499,999
    136
  • $500,000 to $999,999
    96
  • $1,000,000 or more
    61

Property Age

We can also look at the age of properties in Day County. The chart below shows the number of properties in Day County that fall into a particular age range.

  • 1939 or earlier
    1,094
  • 1940 to 1949
    224
  • 1950 to 1959
    272
  • 1960 to 1969
    327
  • 1970 to 1979
    554
  • 1980 to 1989
    269
  • 1990 to 1999
    171
  • 2000 to 2009
    363
  • 2010 to 2013
    163
  • 2014 or later
    9

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Day County that have a particular number of vehicles available.

  • No vehicles available
    85
  • 1 vehicle available
    585
  • 2 vehicles available
    791
  • 3 or more vehicles available
    842

Commuting to Work

In this section, we can also look at how people in Day County get to work. The chart below shows the number of people in Day County that commute to work in a particular way.

18.2 minutes is the average travel time to work for people in Day County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    391
  • 5 to 9 minutes
    577
  • 10 to 14 minutes
    220
  • 15 to 19 minutes
    235
  • 20 to 24 minutes
    156
  • 25 to 29 minutes
    53
  • 30 to 34 minutes
    133
  • 35 to 39 minutes
    38
  • 40 to 44 minutes
    50
  • 45 to 59 minutes
    190
  • 60 to 89 minutes
    37
  • 90 or more minutes
    37

Summary

We've covered a LOT of demographic and population data for Day County, South Dakota in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Day County, South Dakota

We have data for 28 places in Day County, South Dakota. Click on a place below to see more information about the demographics of that place.