Day County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 5,449.[1] Its county seat is Webster.[2] The county is named for Merritt H. Day, pioneer and 1879 Dakota Territory legislator.[3][4]
Day County | |
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U.S. county | |
![]() First National Bank (Webster, South Dakota) | |
![]() Location within the U.S. state of South Dakota | |
![]() South Dakota's location within the U.S. | |
Coordinates: 45°22′N 97°37′W | |
Country | ![]() |
State | ![]() |
Founded | 1880 |
Named for | Merritt H. Day |
Seat | Webster |
Largest city | Webster |
Area | |
• Total | 1,091 sq mi (2,830 km2) |
• Land | 1,028 sq mi (2,660 km2) |
• Water | 63 sq mi (160 km2) 5.8% |
Population (2020) | |
• Total | 5,449 |
• Estimate (2021) | 5,414 ![]() |
• Density | 5.0/sq mi (1.9/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Website | day |
The terrain of Day County consists of rolling hills, partly devoted to agriculture. It is dotted with numerous lakes and ponds, especially its eastern portion.[5] The terrain slopes to the west; its highest point is the northeast corner, at 2,014' (614m) ASL.[6] The county has a total area of 1,091 square miles (2,830 km2), of which 1,028 square miles (2,660 km2) is land and 63 square miles (160 km2) (5.8%) is water.[7]
Historical population | |||
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Census | Pop. | %± | |
1880 | 97 | — | |
1890 | 9,168 | 9,351.5% | |
1900 | 12,254 | 33.7% | |
1910 | 14,372 | 17.3% | |
1920 | 15,194 | 5.7% | |
1930 | 14,606 | −3.9% | |
1940 | 13,565 | −7.1% | |
1950 | 12,294 | −9.4% | |
1960 | 10,516 | −14.5% | |
1970 | 8,713 | −17.1% | |
1980 | 8,133 | −6.7% | |
1990 | 6,978 | −14.2% | |
2000 | 6,267 | −10.2% | |
2010 | 5,710 | −8.9% | |
2020 | 5,449 | −4.6% | |
2021 (est.) | 5,414 | [15] | −0.6% |
US Decennial Census[16] 1790-1960[17] 1900-1990[18] 1990-2000[19] 2010-2020[1] |
As of the 2000 United States Census,[20] there were 6,267 people, 2,586 households, and 1,688 families in the county. The population density was 6 people per square mile (2/km2). There were 3,618 housing units at an average density of 4 per square mile (1/km2). The racial makeup of the county was 91.26% White, 0.13% Black or African American, 7.40% Native American, 0.06% Asian, 0.05% Pacific Islander, 0.16% from other races, and 0.94% from two or more races. 0.38% of the population were Hispanic or Latino of any race. 34.5% were of German, 26.9% Norwegian and 10.9% Polish ancestry.
There were 2,586 households, out of which 27.30% had children under the age of 18 living with them, 54.40% were married couples living together, 6.80% had a female householder with no husband present, and 34.70% were non-families. 31.80% of all households were made up of individuals, and 18.00% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.98.
The county population contained 25.50% under the age of 18, 5.20% from 18 to 24, 22.40% from 25 to 44, 23.40% from 45 to 64, and 23.50% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 96.50 males. For every 100 females age 18 and over, there were 94.50 males.
The median income for a household in the county was $30,227, and the median income for a family was $38,011. Males had a median income of $27,279 versus $18,179 for females. The per capita income for the county was $15,856. About 11.40% of families and 14.30% of the population were below the poverty line, including 17.40% of those under age 18 and 11.80% of those age 65 or over.
As of the 2010 United States Census, there were 5,710 people, 2,504 households, and 1,561 families in the county.[21] The population density was 5.6 inhabitants per square mile (2.2/km2). There were 3,630 housing units at an average density of 3.5 per square mile (1.4/km2).[22] The racial makeup of the county was 88.1% white, 9.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 1.7% from two or more races. Those of Hispanic or Latino origin made up 1.1% of the population.[21] In terms of ancestry, 43.8% were German, 25.1% were Norwegian, 12.8% were Polish, 8.8% were Irish, and 6.1% were American.[23]
Of the 2,504 households, 24.4% had children under the age of 18 living with them, 50.0% were married couples living together, 7.9% had a female householder with no husband present, 37.7% were non-families, and 34.0% of all households were made up of individuals. The average household size was 2.22 and the average family size was 2.83. The median age was 47.9 years.[21]
The median income for a household in the county was $36,818 and the median income for a family was $47,949. Males had a median income of $36,549 versus $25,750 for females. The per capita income for the county was $20,542. About 10.7% of families and 12.5% of the population were below the poverty line, including 11.7% of those under age 18 and 14.1% of those age 65 or over.[24]
Day County voters have tended to vote Democratic for the past several decades. Since 1948 the county has selected the Democratic Party candidate in 71% of national elections. However, the county swung hard to Donald Trump in 2016, and in 2020 posted the best-ever percentage in the county by a Republican presidential candidate.
Year | Republican | Democratic | Third party | |||
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No. | % | No. | % | No. | % | |
2020 | 1,869 | 63.06% | 1,052 | 35.49% | 43 | 1.45% |
2016 | 1,627 | 59.23% | 974 | 35.46% | 146 | 5.31% |
2012 | 1,320 | 45.95% | 1,497 | 52.11% | 56 | 1.95% |
2008 | 1,372 | 42.81% | 1,785 | 55.69% | 48 | 1.50% |
2004 | 1,671 | 47.20% | 1,817 | 51.33% | 52 | 1.47% |
2000 | 1,623 | 50.77% | 1,492 | 46.67% | 82 | 2.56% |
1996 | 1,282 | 36.29% | 1,840 | 52.08% | 411 | 11.63% |
1992 | 1,161 | 31.17% | 1,578 | 42.36% | 986 | 26.47% |
1988 | 1,616 | 42.82% | 2,137 | 56.62% | 21 | 0.56% |
1984 | 2,150 | 52.43% | 1,932 | 47.11% | 19 | 0.46% |
1980 | 2,507 | 55.18% | 1,720 | 37.86% | 316 | 6.96% |
1976 | 1,617 | 37.98% | 2,610 | 61.31% | 30 | 0.70% |
1972 | 1,971 | 41.95% | 2,719 | 57.86% | 9 | 0.19% |
1968 | 2,062 | 43.81% | 2,463 | 52.33% | 182 | 3.87% |
1964 | 1,914 | 37.17% | 3,235 | 62.83% | 0 | 0.00% |
1960 | 2,626 | 48.09% | 2,835 | 51.91% | 0 | 0.00% |
1956 | 2,652 | 47.16% | 2,971 | 52.84% | 0 | 0.00% |
1952 | 3,648 | 60.81% | 2,351 | 39.19% | 0 | 0.00% |
1948 | 2,438 | 42.91% | 3,146 | 55.38% | 97 | 1.71% |
1944 | 2,593 | 51.04% | 2,487 | 48.96% | 0 | 0.00% |
1940 | 3,277 | 49.85% | 3,297 | 50.15% | 0 | 0.00% |
1936 | 2,113 | 36.88% | 3,335 | 58.21% | 281 | 4.90% |
1932 | 1,983 | 32.03% | 3,910 | 63.16% | 298 | 4.81% |
1928 | 3,180 | 54.22% | 2,642 | 45.05% | 43 | 0.73% |
1924 | 2,193 | 55.17% | 308 | 7.75% | 1,474 | 37.08% |
1920 | 2,739 | 59.82% | 436 | 9.52% | 1,404 | 30.66% |
1916 | 1,758 | 61.21% | 907 | 31.58% | 207 | 7.21% |
1912 | 0 | 0.00% | 787 | 33.76% | 1,544 | 66.24% |
1908 | 1,616 | 59.22% | 813 | 29.79% | 300 | 10.99% |
1904 | 2,077 | 73.50% | 383 | 13.55% | 366 | 12.95% |
1900 | 1,558 | 56.37% | 1,092 | 39.51% | 114 | 4.12% |
1896 | 1,171 | 48.07% | 1,230 | 50.49% | 35 | 1.44% |
1892 | 752 | 38.92% | 362 | 18.74% | 818 | 42.34% |
Places adjacent to Day County, South Dakota | ||||||||||||||||
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Municipalities and communities of Day County, South Dakota, United States | ||
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County seat: Webster | ||
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Other communities |
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Indian reservation |
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Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
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