Day County Population Trends

Day County Population Trends
1920	1940	1960	1980	1990	2000	2010	2020
15,194	13,565	10,516	8,133	6,978	6,267	5,649	5,105

Where People Live in 2000 (by percent)
	South Dakota	Day	Clark	Marshall
Urban	51.92	0	0	0
Rural-Farm	7.72	15.40	25.49	14.90
Rural-Non farm	40.36	84.60	74.51	85.10

Day County Population Highlights

From 1990 to 2000, Day County lost 711 residents, which was a 10.2% decrease in its total population.

From 1990 to 2000, Day County lost 414 residents to out-migration. This was a 5.9% decrease in its total population.

From the population pyramid we can tell that Day County is losing many residents aged 20-29.

25.50% of Day County’s residents are under the age of 18, while 23.49% are aged 65+.

Day County’s median age is 42.9. This is older than both Clark and Marshall counties.

Day County’s sex ratio is 96.52, meaning there are about 97 males for every 100 females. This is lower than both Clark and Marshall counties.

Day County’s fertility rate is 65.7 births for every 1,000 females aged 15-44. This is higher than both Clark and Marshall counties.

Race/Ethnicity in Day County

Day County Agriculture in 2002

Day County’s average farm size was 754 acres. This is smaller than both Clark and Marshall counties.

Day County’s average net farm income was $29,623. This is lower than both Clark and Marshall counties.

Day County Economics in 2000

Day County’s per capita income was $15,856. This is slightly lower than Clark, but slightly higher than Marshall.

Day County’s median household income was $30,227. This was slightly higher than Clark, but slightly lower than Marshall.

15.4% of Day County’s residents aged 25+ had received a B.S. degree or higher. This is higher than Clark, but lower than Marshall.

14.28% of Day County’s residents are living at or below the official poverty line. This compares with 13.18% for the state of South Dakota, 14.40% for Clark County, and 13.88% for Marshall County.

20.87% of Day County’s children under the age of 5 are living at or below the official poverty line. This compares with 19.77% for the state of South Dakota, 28.51% for Clark County, and 14.89% for Marshall County.

17.0% of Day County’s working age residents commute to another county to work. This is lower than Clark, but higher than Marshall.

Day County Employment by Industry

Top Industries (in terms of numbers)	Percentage	Number
Educational, health, and social services	21.29	575
Agriculture	18.92	511
Manufacturing	13.37	361
Retail	8.74	236
Construction	5.59	151
Public Administration	3.55	96
Total		2,701

Income Distribution

Data compiled by:

W. Trevor Brooks

Rural Life and Census Data Center

South Dakota State University

Sources:

South Dakota Data Center (Vermillion, SD)

South Dakota Labor Market

U.S. Census of Agriculture (2002)

U.S. Census Bureau (2000)