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Demographics Table

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Demographic Data Report for Colorado by County
Education: Less than 9th grade
Population Ages 25+
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban ascending
Value (Percent)
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People (Education: Less Than 9th Grade)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Colorado N/A 3.1 126,229 20 of 52
United States N/A 4.7 10,803,193 N/A
Adams County Urban 6.9 24,138 2,772
Arapahoe County Urban 3.9 17,959 1,874
Boulder County Urban 2.0 4,422 603
Broomfield County Urban 1.0 571 92
Clear Creek County Urban 2.0 147 603
Denver County Urban 4.4 23,406 2,099
Douglas County Urban 1.0 2,485 92
El Paso County Urban 1.9 9,242 548
Elbert County Urban 1.9 384 548
Gilpin County Urban 1.4 65 242
Jefferson County Urban 1.3 5,492 198
Larimer County Urban 1.3 3,162 198
Mesa County Urban 1.6 1,855 364
Park County Urban 0.5 72 21
Pueblo County Urban 2.8 3,342 1,194
Teller County Urban 0.7 140 39
Weld County Urban 5.7 13,045 2,519
Alamosa County Rural 5.8 589 2,544
Archuleta County Rural 1.4 156 242
Baca County Rural 6.1 153 2,615
Bent County Rural 5.3 226 2,423
Chaffee County Rural 1.2 191 163
Cheyenne County Rural 4.0 51 1,921
Conejos County Rural 4.5 232 2,134
Costilla County Rural 2.7 74 1,124
Crowley County Rural 7.5 329 2,833
Custer County Rural 1.1 45 132
Delta County Rural 2.6 599 1,042
Dolores County Rural 1.6 33 364
Eagle County Rural 1.7 687 443
Fremont County Rural 2.7 1,042 1,124
Garfield County Rural 6.6 2,765 2,718
Grand County Rural 1.6 195 364
Gunnison County Rural 1.1 125 132
Hinsdale County Rural 0.0 0 1
Huerfano County Rural 3.7 204 1,776
Jackson County Rural 2.4 26 889
Kiowa County Rural 0.7 7 39
Kit Carson County Rural 3.2 153 1,475
La Plata County Rural 1.0 430 92
Lake County Rural 3.0 155 1,338
Las Animas County Rural 3.6 390 1,701
Lincoln County Rural 2.0 83 603
Logan County Rural 3.4 511 1,593
Mineral County Rural 0.0 0 1
Moffat County Rural 1.4 129 242
Montezuma County Rural 3.1 600 1,405
Montrose County Rural 4.0 1,276 1,921
Morgan County Rural 7.3 1,429 2,815
Otero County Rural 3.4 430 1,593
Ouray County Rural 1.4 61 242
Phillips County Rural 2.7 84 1,124
Pitkin County Rural 1.6 217 364
Prowers County Rural 7.7 587 2,854
Rio Blanco County Rural 2.4 106 889
Rio Grande County Rural 4.9 401 2,274
Routt County Rural 0.9 169 67
Saguache County Rural 2.4 124 889
San Juan County Rural 0.0 0 1
San Miguel County Rural 0.0 0 1
Sedgwick County Rural 0.7 11 39
Summit County Rural 1.6 385 364
Washington County Rural 3.1 108 1,405
Yuma County Rural 11.2 734 3,032

Notes:
Created by statecancerprofiles.cancer.gov on 03/28/2026 3:43 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Education: Less than 9th grade, see the dictionary.

Data for United States does not include Puerto Rico.

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