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COUNTY · 2000 CENSUS

Clark County

South Dakota · 4,143 residents · 958 sq mi
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The short version

Clark County is home to 4,143 people in South Dakota. At a median age of 41.6, this is an older place than the country as a whole. 11% of adults hold a bachelor's degree, below the 24% national rate. Home values have more than doubled since 1990, reaching $42,300. Owners hold 80% of the housing stock. Median rent is $334 a month.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 41.6
US median: 35.2
Less educated
11% hold a bachelor's degree
US average: 24%
Less affordable
home values up 69%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
4,143
−6%since 1990
from 4,403 in 1990
1990 – 2025
Median age
41.6
+7%since 1990
from 39.0 in 1990
US average: 35.2
Land area
958 sq mi
Population, 1990 – 2024
3K4K4K4K4K19902000201020202024Clark County
20244K
1990201020202024
Age distribution, 2000
Under 55.4%(225)
US avg: 6.8%
5 to 96.7%(276)
US avg: 7.3%
10 to 148.5%(353)
US avg: 7.3%
15 to 198.7%(359)
US avg: 7.2%
20 to 243.5%(145)
US avg: 6.7%
25 to 348.3%(345)
US avg: 14.2%
35 to 4413.7%(568)
US avg: 16%
45 to 5413.3%(549)
US avg: 13.4%
55 to 649.7%(402)
US avg: 8.6%
65 to 7410.5%(435)
US avg: 6.5%
75 to 848.6%(355)
US avg: 4.4%
85 and over3.2%(131)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$30,208
+20%inflation adjusted, since 1990
from $19,035 in 1990
US average: $42,589
1990 – 2024
Per capita income
$15,597
+68%since 1990
from $9,280 in 1990
US average: $21,522
Poverty rate
14.8%
−4.0 ptssince 1990
from 18.8% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$42,300
+69%inflation adjusted, since 1990
from $19,000 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$334
+15%inflation adjusted, since 1990
from $221 in 1990
US average: $602
Owner-occupied
80.3%
+1.9 ptssince 1990
from 78.4% in 1990
19.7% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic99.5%(4,381)
Black0%(0)
Hispanic / Latino0.2%(9)
Asian0.2%(9)
2000
White, non-Hispanic98.5%(4,081)
Black0.1%(3)
Hispanic / Latino0.5%(20)
Asian0.1%(3)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican4.1%(160)
Venezuelan0.8%(31)
Spaniard0.1%(3)
Asian origin
Chinese0.4%(17)
Korean0.3%(10)
Ancestry
German40.2%(1,576)
Norwegian19.5%(765)
Irish7.3%(285)
English6.6%(260)
Swedish5.6%(219)
American4.1%(159)
Dutch2.6%(100)
Polish1.9%(76)
French1.8%(71)
Ukrainian1.2%(47)
Belgian1.1%(45)
Scottish1%(38)
+ 11 more ancestry groups with data
Danish0.8%(33)
Arab0.6%(24)
Egyptian0.5%(21)
Czech0.5%(21)
Finnish0.5%(20)
Scotch-Irish0.4%(15)
Swiss0.3%(13)
Russian0.1%(4)
Greek0.1%(3)
Italian0.1%(3)
Section 05

Education

Bachelor's degree or higher
11.4%
+1.6 ptssince 1990
from 9.8% in 1990
US average: 24.4%
High school or higher
76.6%
+6.1 ptssince 1990
from 70.4% in 1990
US average: 80.3%
Graduate degree
2.1%
+0.8 ptssince 1990
from 1.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.8 min
−71%since 1990
from 48.2 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married25.9%(414)
Married65.1%(1,040)
Widowed3.4%(55)
Divorced5.6%(89)
Women 15+
Never married17.1%(288)
Married63.5%(1,070)
Widowed15.5%(261)
Divorced3.9%(66)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
7.0%
−2.3 ptssince 2013
from 9.3% in 2013
US average: 8.4%
Employer-based
39.9%
−1.9 ptssince 2020
from 41.8% in 2020
US average: 54.8%
Direct-purchase
30.1%
−3.9 ptssince 2020
from 34.0% in 2020
US average: 13.8%
Medicare
23.0%
+2.3 ptssince 2020
from 20.7% in 2020
US average: 18.4%
Medicaid
13.9%
+0.8 ptssince 2020
from 13.1% in 2020
US average: 20.9%
VA health care
2.6%
+0.5 ptssince 2020
from 2.1% in 2020
US average: 2.2%
Any private
70.1%
−6.1 ptssince 2020
from 76.2% in 2020
US average: 67.1%
Any public
35.0%
+2.9 ptssince 2020
from 32.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)19.8%(42)
US avg: 26.4%
Gulf War (1990s)17.5%(37)
US avg: 24.3%
Vietnam era41%(87)
US avg: 33.1%
Korean War13.2%(28)
US avg: 4.5%
World War II0.9%(2)
US avg: 1%

Share of the 212 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

Places similar to Clark County

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Head to head

Compare Clark County to nearby counties

CLARK COUNTY VS
Codington County
Income$72,727+141%
Home value$237,700+462%
Population29,562+633%
SEE FULL COMPARISON →
CLARK COUNTY VS
Hamlin County
Income$87,101+188%
Home value$208,600+393%
Population6,900+71%
SEE FULL COMPARISON →
CLARK COUNTY VS
Spink County
Income$70,139+132%
Home value$123,300+191%
Population6,155+53%
SEE FULL COMPARISON →
CLARK COUNTY VS
Day County
Income$66,033+119%
Home value$173,600+310%
Population5,484+36%
SEE FULL COMPARISON →
Frequently asked

How many people live in Clark County, South Dakota?

Clark County, South Dakota has about 4,143 residents according to the 2000 Census.

What is the median household income in Clark County, South Dakota?

The typical household in Clark County, South Dakota earns about $30,208 a year. Half of households make more than that, and half make less.

Is Clark County, South Dakota expensive?

In Clark County, South Dakota, the median home is worth about $42,300, and the typical rent is about $334 a month.

How educated are people in Clark County, South Dakota?

About 11.4% of adults age 25 and over in Clark County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Clark County, South Dakota?

About 14.8% of people in Clark County, South Dakota live below the federal poverty line.

Has Clark County, South Dakota grown since 1990?

Yes, Clark County, South Dakota has shrunk since 1990. The population has lost about 260 residents, a change of about -6 percent over that period.

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1 census tract
Census Tract 9558

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →