Counties in Colorado by birth rate (July to June)

Yuma County had the highest birth rate (July to June) of 64 counties in 2021, at 13.86 per 1,000 inhabitants. Hinsdale County had the lowest, at 2.56 per 1,000 inhabitants. The median was 8.99 per 1,000 inhabitants and the figure for Colorado was 10.7 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest13.86Yuma County
Lowest2.56Hinsdale County
Median8.9964 counties
Colorado10.7History

Top 40 counties, 2021

CSVChart (SVG)

Yuma CountyYuma County: 13.86 per 1,000 inhabitants13.86Kiowa CountyKiowa County: 13.77 per 1,000 inhabitants13.77Conejos CountyConejos County: 13.29 per 1,000 inhabitants13.29Weld CountyWeld County: 13.09 per 1,000 inhabitants13.09Morgan CountyMorgan County: 13.08 per 1,000 inhabitants13.08Phillips CountyPhillips County: 13.06 per 1,000 inhabitants13.06Denver CountyDenver County: 12.9 per 1,000 inhabitants12.9El Paso CountyEl Paso County: 12.62 per 1,000 inhabitants12.62Prowers CountyProwers County: 12.36 per 1,000 inhabitants12.36Cheyenne CountyCheyenne County: 12.12 per 1,000 inhabitants12.12Alamosa CountyAlamosa County: 11.95 per 1,000 inhabitants11.95Garfield CountyGarfield County: 11.77 per 1,000 inhabitants11.77Kit Carson CountyKit Carson County: 11.72 per 1,000 inhabitants11.72Adams CountyAdams County: 11.61 per 1,000 inhabitants11.61Costilla CountyCostilla County: 11.54 per 1,000 inhabitants11.54Arapahoe CountyArapahoe County: 11.46 per 1,000 inhabitants11.46Moffat CountyMoffat County: 11.28 per 1,000 inhabitants11.28Otero CountyOtero County: 11.14 per 1,000 inhabitants11.14Rio Grande CountyRio Grande County: 10.72 per 1,000 inhabitants10.72Montezuma CountyMontezuma County: 10.28 per 1,000 inhabitants10.28Saguache CountySaguache County: 10.22 per 1,000 inhabitants10.22Washington CountyWashington County: 10.13 per 1,000 inhabitants10.13Baca CountyBaca County: 10.04 per 1,000 inhabitants10.04Pueblo CountyPueblo County: 10.04 per 1,000 inhabitants10.04Lake CountyLake County: 9.99 per 1,000 inhabitants9.99Delta CountyDelta County: 9.89 per 1,000 inhabitants9.89Mesa CountyMesa County: 9.72 per 1,000 inhabitants9.72Douglas CountyDouglas County: 9.58 per 1,000 inhabitants9.58Jefferson CountyJefferson County: 9.3 per 1,000 inhabitants9.3Eagle CountyEagle County: 9.22 per 1,000 inhabitants9.22Las Animas CountyLas Animas County: 9.16 per 1,000 inhabitants9.16Logan CountyLogan County: 9.09 per 1,000 inhabitants9.09Archuleta CountyArchuleta County: 8.89 per 1,000 inhabitants8.89Rio Blanco CountyRio Blanco County: 8.79 per 1,000 inhabitants8.79Montrose CountyMontrose County: 8.71 per 1,000 inhabitants8.71Elbert CountyElbert County: 8.58 per 1,000 inhabitants8.58Broomfield CountyBroomfield County: 8.58 per 1,000 inhabitants8.58Larimer CountyLarimer County: 8.36 per 1,000 inhabitants8.36Custer CountyCuster County: 8.17 per 1,000 inhabitants8.17Summit CountySummit County: 8 per 1,000 inhabitants8
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
per 1,000 inhabitants
1Yuma County Estimated13.86
2Kiowa County Estimated13.77
3Conejos County Estimated13.29
4Weld County Estimated13.09
5Morgan County Estimated13.08
6Phillips County Estimated13.06
7Denver County Estimated12.9
8El Paso County Estimated12.62
9Prowers County Estimated12.36
10Cheyenne County Estimated12.12
11Alamosa County Estimated11.95
12Garfield County Estimated11.77
13Kit Carson County Estimated11.72
14Adams County Estimated11.61
15Costilla County Estimated11.54
16Arapahoe County Estimated11.46
17Moffat County Estimated11.28
18Otero County Estimated11.14
19Rio Grande County Estimated10.72
20Montezuma County Estimated10.28
21Saguache County Estimated10.22
22Washington County Estimated10.13
23Baca County Estimated10.04
24Pueblo County Estimated10.04
25Lake County Estimated9.99
26Delta County Estimated9.89
27Mesa County Estimated9.72
28Douglas County Estimated9.58
29Jefferson County Estimated9.3
30Eagle County Estimated9.22
31Las Animas County Estimated9.16
32Logan County Estimated9.09
33Archuleta County Estimated8.89
34Rio Blanco County Estimated8.79
35Montrose County Estimated8.71
36Elbert County Estimated8.58
37Broomfield County Estimated8.58
38Larimer County Estimated8.36
39Custer County Estimated8.17
40Summit County Estimated8
41La Plata County Estimated7.9
42Fremont County Estimated7.69
43Chaffee County Estimated7.65
44Boulder County Estimated7.59
45Gunnison County Estimated7.48
46Pitkin County Estimated7.37
47Routt County Estimated7.33
48Lincoln County Estimated7.18
49Grand County Estimated7.15
50Park County Estimated7.1
51Ouray County Estimated7.04
52San Juan County Estimated6.9
53Teller County Estimated6.84
54Dolores County Estimated6.8
55Sedgwick County Estimated6.78
56Bent County Estimated6.66
57San Miguel County Estimated6.57
58Huerfano County Estimated6.39
59Gilpin County Estimated5.98
60Crowley County Estimated5.23
61Clear Creek County Estimated5.22
62Mineral County Estimated4.47
63Jackson County Estimated4.38
64Hinsdale County Estimated2.56

Other periods

About this ranking

Estimated live births from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

Published Census population estimates rate. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth rates.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Rank Counties in Colorado by birth rate (July to June) using official data, and cite the source.
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Questions

Which county has the highest birth rate (July to June)?

Yuma County, with 13.86 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.

Which county has the lowest birth rate (July to June)?

Hinsdale County, with 2.56 per 1,000 inhabitants in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Crude birth rate, July to June: other rankings

Counties in Colorado: more rankings