Rosebud County | |
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![]() County courthouse in Forsyth | |
![]() Location within the U.S. state of Montana | |
![]() Montana's location within the U.S. | |
Coordinates: 46°14′N106°43′W / 46.23°N 106.72°W | |
Country | ![]() |
State | ![]() |
Founded | February 11, 1901 |
Named for | Rosebud River |
Seat | Forsyth |
Largest city | Colstrip |
Area | |
• Total | 5,027 sq mi (13,020 km2) |
• Land | 5,010 sq mi (13,000 km2) |
• Water | 17 sq mi (40 km2) 0.3% |
Population (2020) | |
• Total | 8,329 |
• Estimate (2022) | 8,088 ![]() |
• Density | 1.7/sq mi (0.64/km2) |
Time zone | UTC−7 (Mountain) |
• Summer (DST) | UTC−6 (MDT) |
Congressional district | 2nd |
Website | rosebudcountymt |
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Rosebud County is a county in the state of Montana. It was established February 11, 1901, and has Montana vehicle license plate prefix 29. [1] As of the 2020 census, the population was 8,329. [2] Its county seat is Forsyth. [3]
According to the United States Census Bureau, the county has a total area of 5,027 square miles (13,020 km2), of which 5,010 square miles (13,000 km2) is land and 17 square miles (44 km2) (0.3%) is water. [4] It is the fourth-largest county in Montana by land area and fifth-largest by total area. Part of Custer National Forest is located in the county.
According to the Köppen Climate Classification system, most of Rosebud County has a cold semi-arid climate, abbreviated "BSk" on climate maps.
Climate data for Brandenberg, Montana, 1991–2020 normals, extremes 1956–present | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °F (°C) | 70 (21) | 72 (22) | 86 (30) | 91 (33) | 101 (38) | 111 (44) | 112 (44) | 111 (44) | 105 (41) | 98 (37) | 81 (27) | 70 (21) | 112 (44) |
Mean maximum °F (°C) | 56.4 (13.6) | 58.6 (14.8) | 72.7 (22.6) | 82.1 (27.8) | 87.9 (31.1) | 96.4 (35.8) | 103.0 (39.4) | 102.1 (38.9) | 97.5 (36.4) | 84.3 (29.1) | 68.9 (20.5) | 56.4 (13.6) | 104.7 (40.4) |
Mean daily maximum °F (°C) | 35.2 (1.8) | 38.8 (3.8) | 50.2 (10.1) | 60.0 (15.6) | 69.5 (20.8) | 79.3 (26.3) | 89.8 (32.1) | 89.1 (31.7) | 77.2 (25.1) | 61.0 (16.1) | 46.5 (8.1) | 36.0 (2.2) | 61.1 (16.1) |
Daily mean °F (°C) | 22.9 (−5.1) | 26.3 (−3.2) | 36.4 (2.4) | 45.6 (7.6) | 55.1 (12.8) | 64.4 (18.0) | 72.4 (22.4) | 70.8 (21.6) | 60.3 (15.7) | 46.7 (8.2) | 33.9 (1.1) | 24.2 (−4.3) | 46.6 (8.1) |
Mean daily minimum °F (°C) | 10.7 (−11.8) | 13.9 (−10.1) | 22.6 (−5.2) | 31.3 (−0.4) | 40.7 (4.8) | 49.4 (9.7) | 55.1 (12.8) | 52.6 (11.4) | 43.5 (6.4) | 32.4 (0.2) | 21.2 (−6.0) | 12.5 (−10.8) | 32.2 (0.1) |
Mean minimum °F (°C) | −18.0 (−27.8) | −12.0 (−24.4) | −1.6 (−18.7) | 14.9 (−9.5) | 25.1 (−3.8) | 37.2 (2.9) | 44.6 (7.0) | 39.8 (4.3) | 29.0 (−1.7) | 14.3 (−9.8) | −2.4 (−19.1) | −11.7 (−24.3) | −26.7 (−32.6) |
Record low °F (°C) | −42 (−41) | −40 (−40) | −41 (−41) | −2 (−19) | 16 (−9) | 28 (−2) | 34 (1) | 30 (−1) | 19 (−7) | −12 (−24) | −32 (−36) | −44 (−42) | −44 (−42) |
Average precipitation inches (mm) | 0.55 (14) | 0.61 (15) | 0.91 (23) | 1.71 (43) | 3.12 (79) | 2.55 (65) | 1.44 (37) | 0.91 (23) | 1.21 (31) | 1.37 (35) | 0.54 (14) | 0.55 (14) | 15.47 (393) |
Average snowfall inches (cm) | 7.5 (19) | 8.0 (20) | 6.9 (18) | 4.0 (10) | 0.5 (1.3) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 1.7 (4.3) | 4.4 (11) | 7.4 (19) | 40.4 (102.6) |
Average precipitation days (≥ 0.01 in) | 7.3 | 6.9 | 7.4 | 9.0 | 11.0 | 10.0 | 7.1 | 5.4 | 6.1 | 7.1 | 6.1 | 6.3 | 89.7 |
Average snowy days (≥ 0.1 in) | 6.2 | 5.8 | 3.8 | 1.7 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4 | 3.6 | 5.6 | 28.4 |
Source 1: NOAA [5] | |||||||||||||
Source 2: National Weather Service [6] |
Census | Pop. | Note | %± |
---|---|---|---|
1910 | 7,985 | — | |
1920 | 8,002 | 0.2% | |
1930 | 7,347 | −8.2% | |
1940 | 6,477 | −11.8% | |
1950 | 6,570 | 1.4% | |
1960 | 6,187 | −5.8% | |
1970 | 6,032 | −2.5% | |
1980 | 9,899 | 64.1% | |
1990 | 10,505 | 6.1% | |
2000 | 9,383 | −10.7% | |
2010 | 9,233 | −1.6% | |
2020 | 8,329 | −9.8% | |
2022 (est.) | 8,088 | [7] | −2.9% |
U.S. Decennial Census [8] [9] [10] [11] 2010–2020 [2] |
As of the 2020 census, there were 8,329 people living in the county.[ citation needed ]
As of the 2010 census, there were 9,233 people, 3,395 households, and 2,318 families residing in the county. The population density was 1.8 inhabitants per square mile (0.69/km2). There were 4,057 housing units at an average density of 0.8 per square mile (0.31/km2). The racial makeup of the county was 61.3% white, 34.7% American Indian, 0.5% Asian, 0.3% black or African American, 0.5% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 3.4% of the population. In terms of ancestry, 25.0% were American, 19.0% were German, 6.9% were English, and 6.6% were Irish.
Of the 3,395 households, 36.4% had children under the age of 18 living with them, 51.3% were married couples living together, 10.6% had a female householder with no husband present, 31.7% were non-families, and 27.6% of all households were made up of individuals. The average household size was 2.70 and the average family size was 3.32. The median age was 36.5 years.
The median income for a household in the county was $44,776 and the median income for a family was $56,282. Males had a median income of $52,500 versus $28,306 for females. The per capita income for the county was $19,844. About 13.6% of families and 18.5% of the population were below the poverty line, including 24.7% of those under age 18 and 21.3% of those age 65 or over.
Rosebud County voters have selected the Republican Party candidate in 60% of national elections since 1980 (as of 2020).
Year | Republican | Democratic | Third party | |||
---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | |
2020 | 2,486 | 65.89% | 1,199 | 31.78% | 88 | 2.33% |
2016 | 2,253 | 65.25% | 987 | 28.58% | 213 | 6.17% |
2012 | 2,004 | 56.88% | 1,422 | 40.36% | 97 | 2.75% |
2008 | 1,768 | 46.40% | 1,919 | 50.37% | 123 | 3.23% |
2004 | 1,982 | 55.29% | 1,520 | 42.40% | 83 | 2.32% |
2000 | 1,826 | 53.35% | 1,394 | 40.72% | 203 | 5.93% |
1996 | 1,413 | 38.37% | 1,681 | 45.64% | 589 | 15.99% |
1992 | 1,130 | 28.84% | 1,669 | 42.60% | 1,119 | 28.56% |
1988 | 1,822 | 48.05% | 1,869 | 49.29% | 101 | 2.66% |
1984 | 2,413 | 54.82% | 1,920 | 43.62% | 69 | 1.57% |
1980 | 1,875 | 54.46% | 1,167 | 33.89% | 401 | 11.65% |
1976 | 1,538 | 51.16% | 1,413 | 47.01% | 55 | 1.83% |
1972 | 1,486 | 63.23% | 777 | 33.06% | 87 | 3.70% |
1968 | 1,190 | 56.42% | 711 | 33.71% | 208 | 9.86% |
1964 | 1,105 | 47.61% | 1,212 | 52.22% | 4 | 0.17% |
1960 | 1,386 | 57.77% | 1,002 | 41.77% | 11 | 0.46% |
1956 | 1,516 | 63.01% | 890 | 36.99% | 0 | 0.00% |
1952 | 1,734 | 67.92% | 805 | 31.53% | 14 | 0.55% |
1948 | 1,106 | 50.71% | 1,031 | 47.27% | 44 | 2.02% |
1944 | 1,154 | 50.15% | 1,114 | 48.41% | 33 | 1.43% |
1940 | 1,252 | 46.77% | 1,399 | 52.26% | 26 | 0.97% |
1936 | 866 | 32.43% | 1,624 | 60.82% | 180 | 6.74% |
1932 | 1,027 | 36.63% | 1,646 | 58.70% | 131 | 4.67% |
1928 | 1,519 | 59.38% | 1,025 | 40.07% | 14 | 0.55% |
1924 | 1,115 | 49.12% | 259 | 11.41% | 896 | 39.47% |
1920 | 2,239 | 68.22% | 873 | 26.60% | 170 | 5.18% |
1916 | 1,337 | 43.95% | 1,608 | 52.86% | 97 | 3.19% |
1912 | 392 | 33.91% | 313 | 27.08% | 451 | 39.01% |
1908 | 515 | 66.03% | 235 | 30.13% | 30 | 3.85% |
1904 | 460 | 75.66% | 134 | 22.04% | 14 | 2.30% |
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Ashland is a census-designated place (CDP) in Rosebud County, Montana, United States. The population was 464 at the 2000 census. Ashland is immediately east of the boundary of the Northern Cheyenne Indian Reservation and also along the Tongue River. It is the location of the St. Labre Indian Catholic High School, established in 1884 as a boarding school by a Catholic mission to the Cheyenne.
Birney is a census-designated place (CDP) in Rosebud County, Montana, United States. The population was 108 at the 2000 census.
Colstrip is a city in Rosebud County, Montana, United States. The population was 2,096 at the 2020 census.
Forsyth is a city in and the county seat of Rosebud County, Montana, United States. The population was 1,647 at the 2020 census. Forsyth was established in 1876 as the first settlement on the Yellowstone River, and in 1882 residents named the town after General James William Forsyth who commanded Fort Maginnis, Montana during the Indian Wars and the 7th Cavalry at the Wounded Knee Massacre. The town has long been a transportation nexus, starting with steamboats on the river and progressing to the Northern Pacific Railway and Interstate 94.
Lame Deer is a census-designated place (CDP) in Rosebud County, Montana, United States. The community is named after Miniconjou Lakota chief Lame Deer, who was killed by the U.S. Army in 1877 under a flag of truce south of the town. It was the site of a trading post from the late 1870s.
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