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Weld County
Weld County
County
	Weld County Courthouse
	Location within the U.S. state of Colorado
	Colorado's location within the U.S.
	Coordinates: 40°32′N 104°24′W / 40.54°N 104.4°W
Country	United States
State	Colorado
Founded	November 3, 1861
Seat	Greeley
Largest city	Greeley
Area
• Total	4,017 sq mi (10,400 km2)
• Land	3,987 sq mi (10,330 km2)
• Water	30 sq mi (80 km2) 0.7%
Population (2020)
• Total	328,981
• Density	83/sq mi (32/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional districts	2nd, 4th, 8th
Website	www.weldgov.com

Weld County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 328,981.^[1] The county seat is Greeley.^[2]

Weld County comprises the Greeley, CO Metropolitan Statistical Area, which is included in the Denver–Aurora, CO Combined Statistical Area.^[3]

History

On May 30, 1854, the Kansas–Nebraska Act created the Nebraska Territory and the Kansas Territory, divided by the Parallel 40° North (Baseline Road or County Line Road or Weld County Road 2 in the future Weld County). Present-day Weld County, Colorado, lay in the southwestern portion of the Nebraska Territory, bordering the Kansas Territory.

In July 1858, gold was discovered along the South Platte River in Arapahoe County, Kansas Territory. This discovery precipitated the Pike's Peak Gold Rush. Many residents of the mining region felt disconnected from the remote territorial governments of Kansas and Nebraska, so they voted to form their own Territory of Jefferson on October 24, 1859. The following month, the Jefferson Territorial Legislature organized 12 counties for the new territory, including St. Vrain County. St. Vrain County was named in honor of Ceran de Hault de Lassus de St. Vrain, the French trader who established the first trading post on the upper South Platte River. St. Vrain County encompassed much of what is today Weld County.

The Jefferson Territory never received federal sanction, but on February 28, 1861, U.S. President James Buchanan signed an act organizing the Territory of Colorado.^[4] On November 1, 1861, the Colorado General Assembly organized 17 counties, including Weld County, for the new Colorado Territory. Weld County was named for Lewis Ledyard Weld, a lawyer and territorial secretary. He died while serving in the Union Army during the Civil War.^[5] Until February 9, 1887, Weld County's boundaries included the area now comprising Weld County, Washington County, Logan County, Morgan County, Yuma County, Phillips County, and Sedgwick County.

Weld County was thrust into the media spotlight on the evening of November 1, 1955, when United Airlines Flight 629, a Douglas DC-6B airliner flying from Denver to Portland, Oregon, exploded in midair and crashed, killing all 44 persons on board the plane and scattering bodies, wreckage and debris over a six-square-mile area of the county. The subsequent investigation of the accident revealed that Denver resident John Gilbert Graham had secretly placed a time bomb composed of 25 sticks of dynamite in a suitcase belonging to his mother, who was a passenger on the airplane. Graham was tried and convicted of the crime, and executed in 1957.

In northeastern Weld County, Minuteman III missile silo "N-8",^[6] one of the many unmanned silos there, was the target of symbolic vandalism by Catholic peace activists in 2002.^[7]^[8]

Weld County also holds the distinction of having more confirmed tornado sightings than any other U.S. county from 1950 to 2011, with 252 confirmed reports.^[9]

On March 6, 2019, the county declared itself to be a Second Amendment sanctuary.^[10]

Secession proposals

In 2013, conservative Weld County commissioners began a campaign to secede from the State of Colorado to create a new state; a state ballot measure regarding the issue was put on the November 2013 ballot. The legality of this initiative has been questioned by local attorneys.^[11] On November 5, 2013, 6 out of 11 Colorado counties voted no for secession, including Elbert, Lincoln, Logan, Moffat, Sedgwick, and Weld counties voted no, while Cheyenne, Kit Carson, Phillips, Washington, and Yuma counties voted yes. "Weld County voters said this is an option we shouldn't pursue and we won't pursue it," said Weld County Commissioner Sean Conway, "But we will continue to look at the problems of the urban and rural divide in this state."^[12]

In 2021, a group known as "Weld County, WY" organized a petition to place a measure on the November 2021 ballot for the county to secede from Colorado to join Wyoming, due to a clash between the conservative politics of Weld County and the liberal government of Colorado.^[13] Mark Gordon, the Governor of Wyoming, said when asked about the topic, "We would love that."^[14] In response to Gordon's comment, Colorado Governor Jared Polis said, "Hands off Weld County."^[15]

Geography

According to the U.S. Census Bureau, the county has a total area of 4,017 square miles (10,400 km²), of which 3,987 square miles (10,330 km²) are land and 30 square miles (78 km²) (0.7%) are water.^[16] It is the third-largest county in Colorado by area.

Weld County lies within the relatively flat eastern portion of Colorado; the northeastern portions of the county contain the extensive Pawnee National Grassland and the Pawnee Buttes, which jut 350 feet (110 m) above the surrounding terrain and are surrounded by many small canyons and outcroppings. Along the western border, hilly areas indicate the presence of the foothills of the Rocky Mountains further west.

The county is served by two interstate highways: I-25 (US 87) runs through the southwestern corner and I-76 from the south central edge northeastward to the Morgan county border. Other major roads include US 85 and US 34, which intersect near Greeley, and State Highway 14, which runs through Ault.

Adjacent counties

Kimball County, Nebraska - northeast
Logan County - east
Morgan County - east
Adams County - south
City and County of Broomfield - southwest
Boulder County - west
Larimer County - west
Laramie County, Wyoming - northwest

Major highways

Transit

National protected area

Pawnee National Grassland

State protected area

Trails and byways

Demographics

Historical population
Census	Pop.	Note	%±
1870	1,636		—
1880	5,646		245.1%
1890	11,736		107.9%
1900	16,808		43.2%
1910	39,177		133.1%
1920	54,059		38.0%
1930	65,097		20.4%
1940	63,747		−2.1%
1950	67,504		5.9%
1960	72,344		7.2%
1970	89,297		23.4%
1980	123,438		38.2%
1990	131,821		6.8%
2000	180,936		37.3%
2010	252,825		39.7%
2020	328,981		30.1%
2023 (est.)	359,442	^[19]	9.3%
U.S. Decennial Census^[20] 1790-1960^[21] 1900-1990^[22] 1990-2000^[23] 2010-2020^[1]

As of the census^[24] of 2000, there were 180,936 people, 63,247 households, and 45,221 families residing in the county. The population density was 45 people per square mile (17 people/km²). There were 66,194 housing units at an average density of 17 units per square mile (6.6 units/km²). The racial makeup of the county was 81.71% White, 0.56% Black or African American, 0.87% Native American, 0.83% Asian, 0.08% Pacific Islander, 13.29% from other races, and 2.65% from two or more races. 27.05% of the population were Hispanic or Latino of any race.

There were 63,247 households, out of which 37.20% had children under the age of 18 living with them, 57.60% were married couples living together, 9.40% had a female householder with no husband present, and 28.50% were non-families. 21.00% of all households were made up of individuals, and 6.90% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.25.

In the county, the population was spread out, with 28.20% under the age of 18, 13.20% from 18 to 24, 29.70% from 25 to 44, 20.00% from 45 to 64, and 9.00% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 100.60 males. For every 100 females age 18 and over, there were 98.00 males.

The median income for a household in the county was $42,321, and the median income for a family was $49,569. Males had a median income of $35,037 versus $25,757 for females. The per capita income for the county was $18,957. About 8.00% of families and 12.50% of the population were below the poverty line, including 14.60% of those under age 18 and 8.50% of those age 65 or over.

Economy

Weld County is Colorado's leading producer of cattle, grain and sugar beets, and is the richest agricultural county in the United States east of the Rocky Mountains, and the fourth richest overall nationally. It is also becoming more important as a milk producing county, with close to half of the state's cattle.^[25]^[26] Weld County is also an important area of oil and natural gas production in the Denver-Julesburg Basin.

Communities

Cities

Towns

Census-designated places

Unincorporated communities

Ghost towns

Adna^[27]
Agricola^[27]
Chapelton^[27]
Chenoa^[27]
Cherokee City^[27]
Cloverly^[27]
Coleman^[27]
Dearfield^[27]
Elwell^[28]^[27]
Flemings Ranch^[27]
Fort St. Vrain^[27]
Fosston^[27]
Gault^[27]
Geary^[27]
Graham^[27]
Green City^[27]
Highland Lake^[27]
Hillsborough^[27]
Hiltonville^[27]
Hungerford^[27]
Ione^[27]
Kalous^[27]
Kauffman^[27]
Koenig^[27]
Lancaster^[27]
Latham^[27]
Liberty^[27]
Masters^[27]
Nantes^[27]
New Liberty^[27]
Osgood^[27]
Peckham^[27]
Platte Valley^[27]
Raymer^[27]
Rinn^[27]
Rosedale^[27]
Saint Vrain^[27]
Serene^[27]
Sligo^[27]
Spanish Colony^[27]
Wentz^[27]
Zilar^[27]
Zita^[27]

‡ means a populated place has portions in an adjacent county or counties

Politics

Similar to the fellow Denver Metropolitan Area county of Douglas, Weld leans Republican. Except for Lyndon Johnson's 1964 landslide win over Barry Goldwater, it has not voted for a Democratic presidential candidate since 1936.

United States presidential election results for Weld County, Colorado^[29]
Year	Republican		Democratic		Third party(ies)
Year	No.	%	No.	%	No.	%
2024	106,469	59.18%	68,752	38.21%	4,700	2.61%
2020	96,145	57.58%	66,060	39.56%	4,769	2.86%
2016	76,651	56.60%	46,519	34.35%	12,260	9.05%
2012	63,775	54.84%	49,050	42.18%	3,466	2.98%
2008	56,526	53.39%	47,292	44.67%	2,048	1.93%
2004	55,591	62.71%	31,868	35.95%	1,194	1.35%
2000	37,409	57.96%	23,436	36.31%	3,696	5.73%
1996	26,518	49.67%	21,325	39.94%	5,547	10.39%
1992	20,958	38.79%	19,295	35.71%	13,776	25.50%
1988	26,497	55.42%	20,548	42.98%	762	1.59%
1984	31,293	68.51%	13,863	30.35%	523	1.14%
1980	23,901	58.80%	11,433	28.13%	5,312	13.07%
1976	21,976	55.35%	16,501	41.56%	1,225	3.09%
1972	24,695	66.29%	11,690	31.38%	870	2.34%
1968	17,101	57.26%	10,420	34.89%	2,344	7.85%
1964	12,204	41.12%	17,268	58.18%	207	0.70%
1960	17,558	60.99%	11,179	38.83%	53	0.18%
1956	17,228	62.75%	10,170	37.04%	57	0.21%
1952	18,002	66.44%	8,890	32.81%	204	0.75%
1948	12,446	52.65%	10,934	46.25%	259	1.10%
1944	14,546	63.01%	8,459	36.64%	81	0.35%
1940	16,129	59.72%	10,653	39.44%	227	0.84%
1936	9,606	41.23%	12,993	55.77%	697	2.99%
1932	10,754	46.87%	11,182	48.73%	1,009	4.40%
1928	13,719	69.58%	5,762	29.22%	236	1.20%
1924	10,185	62.68%	3,406	20.96%	2,659	16.36%
1920	10,268	63.78%	5,202	32.31%	630	3.91%
1916	5,395	37.12%	8,600	59.18%	538	3.70%
1912	3,114	27.39%	4,713	41.46%	3,541	31.15%
1908	5,537	51.05%	4,650	42.87%	659	6.08%
1904	4,833	62.12%	2,555	32.84%	392	5.04%
1900	2,786	42.95%	3,386	52.20%	314	4.84%
1896	874	15.54%	4,620	82.13%	131	2.33%
1892	1,138	41.10%	0	0.00%	1,631	58.90%
1888	1,942	57.56%	1,036	30.71%	396	11.74%
1884	1,332	53.49%	765	30.72%	393	15.78%
1880	804	56.26%	373	26.10%	252	17.63%