Split Rock township, South Dakota Population 2024

3,043

Split Rock township Demographics

According to the most recent ACS, the racial composition of Split Rock township was:

  • White: 95.4%
  • Two or more races: 2.44%
  • Other race: 1.63%
  • Black or African American: 0.34%
  • Asian: 0.19%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
29.0 sq mi
Density (mi²)
105.10/sq mi
Growth Since 2020
-5% (-160)
The current population of Split Rock township, South Dakota is 3,043 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 3,203.

Population by Race

Race
Population
Percentage (of total)
White3,04995.4%
Two or more races782.44%
Other race521.63%
Black or African American110.34%
Asian60.19%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Split Rock township Population by Race

Split Rock township Population Pyramid 2024

Split Rock township Median Age

50.5

Total

49.7

Male

51.2

Female

Split Rock township Adults

There are 2,481 adults, (545 of whom are seniors) in Split Rock township.

Split Rock township Age Dependency

65.1

Age Dependency Ratio

28.2

Old Age Dependency Ratio

36.9

Child Dependency Ratio

Split Rock township Sex Ratio

Female1,53448%
Male1,66252%

Split Rock township Population by Age

Split Rock township Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,1572.7696.73.3
Married9972.9498.41.6
Non Family1251.182.417.6
Female262.621000
Male96.441000

2.95

Average Family Size

2.76

Average Household Size

96.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Split Rock township Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade130.57%
Associates Degree46220.37%
Bachelors Degree69930.82%
Graduate Degree45920.24%
High School Graduate28112.39%
Less Than 9th Grade893.92%
Some College26511.68%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Split Rock township Educational Attainment by Sex (over 25)

Split Rock township Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,1852,0901,095
2+ Races413434
Other Race414129
Asian110

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 82.93%.

Split Rock township Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$78,750$96,094$57,422
Graduate Degree$94,861$104,583$67,159
High School Graduate$62,212$64,107$61,346
Less Than 9th Grade$0$162,717$21,316
Overall$66,913$84,552$53,015
Some College$53,516$83,208$49,327

$66,913

Average Earnings

$84,552

Average Male

$53,015

Average Female

Split Rock township Earnings by Educational Attainment

Split Rock township Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Split Rock township Language

94.66% of Split Rock township residents speak only English, while 5.34% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.99% of the population.

Split Rock township Language

Split Rock township Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,04910.03%

0.03%

Overall Poverty Rate

0.06%

Male Poverty Rate

0%

Female Poverty Rate

Poverty in Split Rock township

The race most likely to be in poverty in Split Rock township is White, with 0.03% below the poverty level.

The race least likely to be in poverty in Split Rock township is White, with 0.03% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.08%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 0%.

Split Rock township Poverty

rate

Rate
Poverty
Bachelors or Greater0.09%
Less Than 9th Grade0%
High School0%
Some College0%

Split Rock township Poverty Rate by Education

rate

Rate
Poverty
Male Employed0.1%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Split Rock township Poverty Rate by Employment Status and Sex

Split Rock township Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$164,091$213,818
Households$150,234$201,071
Married Families$168,750$-999,999,999
Non Families$78,173$91,747

mean

median

Income by Household Type

Split Rock township Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

74.4%

Overall Marriage Rate

73.2%

Male Marriage Rate

75.7%

Female Marriage Rate

Split Rock township Married by Age and Sex

male

female

Split Rock township Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Split Rock township Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Split Rock township Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

148

Number of Veterans

146

Male Veterans

2

Female Veterans

War
Veterans
First Gulf War68
Vietnam58
Second Gulf War44
Korea5
World War II0

Split Rock township Veterans by War

count

Age Group
Veterans
35 to 5465
75+35
55 to 6425
65 to 7423
18 to 340

Split Rock township Veterans by Age

count

Name
Veterans
% of Total
White1265.31%
2+ Races2239.29%

Split Rock township Veterans by Race

Split Rock township Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

14.86%

Veteran Disability Rate

Split Rock township Veterans by Education

LaborForceParticipation

70%

Labor Force Participation

69.8%

Employment Rate

0.3%

Unemployment Rate

Split Rock township Employment by Age

LaborForceParticipation

Split Rock township Employment by Race

LaborForceParticipation

Split Rock township Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

64.42%

Born in Split Rock township

98.78%

Native Born

1.22%

Foreign Born

0.66%

Non Citizen

0.56%

Naturalized

Place of Birth

98.78% of Split Rock township residents were born in the United States, with 64.42% having been born in South Dakota. 0.66% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Split Rock township Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20292,758-57-2.02%
20282,815-57-1.98%
20272,872-57-1.95%
20262,929-57-1.91%
20252,986-57-1.87%
20243,043-57-1.84%
20233,100-57-1.81%
20223,157-12-0.38%
20213,169-34-1.06%
20203,203280.88%
20193,17510.03%
20183,174-43-1.34%
20173,217-6-0.19%
20163,223110.34%
20153,212-6-0.19%
20143,218-5-0.16%
20133,223210.66%
20123,202411.3%
20113,16190.29%
20103,15200%

Split Rock township Population by Year