Dewey County, South Dakota Population 2022

Dewey County, South Dakota's estimated population is 5,793 with a growth rate of -0.57% in the past year according to the most recent United States census data. Dewey County, South Dakota is the 31st largest county in South Dakota. The 2010 Population was 5,327 and has seen a growth of 8.75% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
20225,793-33-0.57%
20215,826-33-0.56%
20205,859-33-0.56%
20195,892-33-0.56%
20185,925681.16%
20175,857721.24%
20165,785801.40%
20155,705370.65%
20145,668821.47%
20135,586520.94%
20125,5341352.50%
20115,399721.35%
20105,327-196-3.55%
19905,5231572.93%
19805,3661963.79%
19705,170-87-1.65%
19605,2573416.94%
19504,916-793-13.89%
19405,709-767-11.84%
19306,4761,67434.86%
19204,8023,657319.39%
19101,1451,0992389.13%
1880460.00%
map placeholder

Dewey County, South Dakota Population Growth

Population by Race

Race Population Percentage
American Indian and Alaska Native4,60278.90%
White1,16119.90%
Two or More Races410.70%
Native Hawaiian and Other Pacific Islander140.24%
Some Other Race50.09%
Asian50.09%
Black or African American50.09%
Loading...

Dewey County, South Dakota Population by Race

Dewey County, South Dakota Population Pyramid $2022

Loading...

Dewey County, South Dakota Median Age

26.9


Total

26.1


Male

28.9


Female

Dewey County, South Dakota Adults

There are 3,676 adults, (560 of whom are seniors) in Dewey County, South Dakota.

Dewey County, South Dakota Age Dependency

Age Dependency Ratio

18

Old Age Dependency Ratio

69.2

Child Dependency Ratio

Dewey County, South Dakota Sex Ratio

Female

2,940

50.40%

Male

2,893

49.60%

Dewey County, South Dakota Population by Age

Dewey County, South Dakota Renter vs Owner Occupied by Household Type

map placeholder

Dewey County, South Dakota Household Types

Type Owner Renter
Female46.2%53.8%
Non Family54.9%45.1%
All61.1%38.9%
Male69.5%30.5%
Married71%29%

61.1%

Rate of Home Ownership

Dewey County, South Dakota Households and Families

Type Count Average Size Owned
All1,6513.561.1
Married6734.1471
Non Family4571.2454.9
Female3574.6846.2
Male1644.5769.5

4.21

Average Family Size

3.5

Average Household Size

Loading...

Dewey County, South Dakota Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade712.29%
9th to 12th Grade38312.34%
High School Graduate1,11535.93%
Some College68422.04%
Associates Degree33610.83%
Bachelors Degree37011.92%
Graduate Degree1444.64%
Loading...

Dewey County, South Dakota Educational Attainment by Sex (over 25)

Dewey County, South Dakota Educational Attainment by Race

Loading...
Race Total High School Bachelors
Native American2,1791,788278
White870814215
2+ Races262310
Hispanic1614
Islander999
Other Race53
Asian55
Black532

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Dewey County, South Dakota Educational Attainment by Race

Loading...
Name Average Male Female
Overall$31,952$32,955$31,116
Less Than 9th Grade$22,386$23,750$21,429
High School Graduate$26,865$28,500$26,055
Some College$29,583$36,094$25,714
Bachelors Degree$43,558$48,929$41,550
Graduate Degree$59,519$71,563$59,038

$31,952

Average Earnings

$32,955

Average Male

$31,116

Average Female

Dewey County, South Dakota Earnings by Educational Attainment

Dewey County, South Dakota Language by Age

Loading...

Dewey County, South Dakota Language

85.92% of Dewey County, South Dakota residents speak only English, while 14.08% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 13.26% of the population.

Dewey County, South Dakota Language

Dewey County, South Dakota Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
Native4,5751,72437.68%
White1,133837.33%
Hispanic583662.07%
Other2NaN%

31.29%

Overall Poverty Rate

29.98%

Male Poverty Rate

32.57%

Female Poverty Rate

Poverty in Dewey County, South Dakota

The race most likely to be in poverty in Dewey County, South Dakota is Hispanic, with 62.07% below the poverty level.

The race least likely to be in poverty in Dewey County, South Dakota is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.53%. Among those working part-time, it was 21.61%, and for those that did not work, the poverty rate was 47.60%.

Dewey County, South Dakota Poverty

Loading...
Name Poverty
Less Than 9th Grade37.78%
High School29.50%
Some College21.65%
Bachelors or Greater7.05%

Dewey County, South Dakota Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed77.56%
Male Unemployed51.59%
Male Employed11.53%
Female Employed9.34%

Dewey County, South Dakota Poverty Rate by Employment Status and Sex

Dewey County, South Dakota Income by Household Type

Loading...
Name Median Mean
Households$47,475$58,826
Families$50,559$64,126
Married Families$67,750-
Non Families$32,548$39,731
Loading...

Income by Household Type

Dewey County, South Dakota Marital Status

map placeholder

Marriage Rates

36.4%

Overall Marriage Rate

38.0%

Male Marriage Rate

34.9%

Female Marriage Rate

Dewey County, South Dakota Married by Age and Sex

Loading...

Dewey County, South Dakota Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Dewey County, South Dakota Marital Status by Race

map placeholder

Dewey County, South Dakota Marital Status

Loading...

206

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Vietnam85
Second Gulf War33
First Gulf War30
Korea27
World War II

Dewey County, South Dakota Veterans by War

Loading...
Age Group Veterans
65 to 7457
35 to 5448
75+45
55 to 6436
18 to 3420

Dewey County, South Dakota Veterans by Age

Loading...
Name Veterans % of Total
Native American1294.83%
White727.58%
2+ Races518.52%
Hispanic312.50%

Dewey County, South Dakota Veterans by Race

Dewey County, South Dakota Veterans by Education

Loading...

18.93%

Veteran Poverty Rate

30.10%

Veteran Disability Rate

Dewey County, South Dakota Veterans by Education

Loading...

68.5%

Labor Force Participation

54%

Employment Rate

21%

Unemployment Rate

Dewey County, South Dakota Employment by Age

Loading...

Dewey County, South Dakota Employment by Race

Loading...

Dewey County, South Dakota Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

84.86%

Born in Dewey County, South Dakota

99.79%

Native Born

0.21%

Foreign Born

0.15%

Non Citizen

0.05%

Naturalized

Place of Birth

99.79% of Dewey County, South Dakota residents were born in the United States, with 84.86% having been born in South Dakota. 0.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Dewey County, South Dakota Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources