The Humane Society of the South Platte Valley runs the animal control shelter in three cities of Arapahoe County: Cherry Hills, Englewood, and Littleton. They serve 87,000 people. In 2021, they reported a 98% placement rate for dogs, 97% for cats, and 100% for birds, rabbits, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Archuleta County shelter has a partnership with the Humane Society of Pagosa Springs. They serve 12,000 people. In 2021, they reported a 99% placement rate for dogs and 94% for cats. They do not provide a safety net for rabbits, hamsters, and other animals, except for placing one small animal. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Humane Society of Boulder Valley runs the animal control shelter in Boulder. It serves 107,000 people. In 2021, they reported a 96% placement rate for dogs, 95% for cats, and 95% for birds, rabbits, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Surface Creek shelter serves 2,000 people. In 2021, it reported a placement rate of 96% for dogs and 95% for cats. They do not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Ark-Valley Humane Society runs the two shelters in Chaffee County (in Buena Vista and Poncha Springs). In 2021, they reported a placement rate of 97% for dogs and 96% for cats. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Clear Creek and Gilpin County have a joint shelter. Together, they serve 15,000 people. In 2021, they reported a combined placement rate of 99% for dogs and 90% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Teller County is served by two shelters: Teller County Regional Animal Shelter and the City of Cripple Creek animal shelter. They serve a combined 23,000 people. In 2020, the two agencies had a combined placement rate of 98% for dogs and 97% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Eagle County Animal Shelter serves 55,000 people. In 2020, they reported a 97% placement rate for dogs, 95% for cats, but only 88% for birds, rabbits, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Longmont County's and Fredericks's shelter is run by the Longmont Humane Society. It serves 9,000 people in Frederick and 94,000 people in Longmont County. In 2021, it reported a 98% placement rate for dogs, 95% for cats, but only 88% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Humane Society of Fremont County runs the shelter for seven cities in the County. It serves roughly 46,000 people. In 2021, it reported a 99% placement rate for dogs, 98% for cats, and placed all but one other animal. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The shelter in Ft. Morgan is run by the Fort Morgan Humane Society. It serves 11,000 people. In 2020, it reported a placement rate of 99% for dogs and 97% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Garfield County and Glenwood Springs both contract with Colorado Animal Rescue to run their shelter. The shelter serves roughly 66,000 people. In 2021, it reported a 99% placement rate for dogs, 99% for cats, and 98% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Clear Creek and Gilpin County have a joint shelter. Together, they serve 15,000 people. In 2021, they reported a combined placement rate of 99% for dogs and 90% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Garfield County and Glenwood Springs both contract with Colorado Animal Rescue to run their shelter. The shelter serves roughly 66,000 people. In 2021, it reported a 99% placement rate for dogs, 99% for cats, and 98% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Grand County Animal Shelter serves 15,000 people. In 2021, it reported a 95% placement rate for dogs, 96% for cats, and 100% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Gunnison Valley Animal Welfare League runs the shelter for the county. It serves 17,000 people. In 2021, it reported a 99% placement rate for dogs, 98% for cats, and 100% for other small animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Foothills Animal Shelter is the shelter for Jefferson County. It serves 583,000 people. In 2021, it reported a 95% placement rate for dogs, 94% for cats, and 92% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The La Plata County Humane Society provides sheltering services for La Plata County. They serve 56,000 people. In 2021, they had a 97% placement rate for dogs, 95% for cats, and 100% for rabbits and other small animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Lake County Animal Shelter serves 8,000 people. In 2021, it reported a 99% placement rate for dogs and 97% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Longmont County's and Fredericks's shelter is run by the Longmont Humane Society. It serves 9,000 people in Frederick and 94,000 people in Longmont County. In 2021, it reported a 98% placement rate for dogs, 95% for cats, but only 88% for rabbits, birds, and small mammals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Montrose Animal Shelter serves 42,000 people. In 2021, it reported a 99% placement rate for dogs, 90% for cats, and 96% for rabbits and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Second Chance Humane Society provides sheltering services for San Miguel County and Ouray County with the exception of Telluride, which has its own shelter. They serve a combined 12,000 people. In 2021, Second Chance Humane Society had a 99% placement rate for dogs and 98% for cats. They do not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Pitkin County animal shelter is run by Aspen Animal Shelter. They serve 17,000 people. In 2021, they reported a placement rate of 100% for dogs, 100% for cats, and 100% for birds and other small animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Rifle Animal Shelter serves 9,000 people. In 2021, it reported a 97% placement rate for dogs and 96% for cats. It took in rabbits and other animals but has not yet reported outcomes. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Rio Blanco County is served by two shelters and has a population of 6,700 people. In 2021, Rangely Animal Shelter reported a placement rate of 98% for dogs, 93% for cats, and 100% for rabbits. The Town of Meeker Animal Control reported a placement rate of 99% for dogs. They do not provide a safety net for hamsters and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Routt County has a population of 24,000 people. The Routt County Humane Society runs the shelter. In 2021, it reported a 97% placement rate for dogs, 98% for cats, and 100% for rabbits and other small animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
The Second Chance Humane Society provides sheltering services for San Miguel County and Ouray County with the exception of Telluride, which has its own shelter. They serve a combined 12,000 people. In 2021, Second Chance Humane Society had a 99% placement rate for dogs and 98% for cats. They do not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Summit County Animal Control serves 31,000 people. In 2021, it reported a 97% placement rate for dogs, 97% for cats, and 100% for other small animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Teller County is served by two shelters: Teller County Regional Animal Shelter and the City of Cripple Creek animal shelter. They serve a combined 23,000 people. In 2020, the two agencies had a combined placement rate of 98% for dogs and 97% for cats. They did not provide a safety net for rabbits, hamsters, and other animals. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")
Please note: Several Colorado cities and towns have small animal control departments which only take in stray dogs (and, in some cases, also stray cats). They do not provide services for cats, rabbits, hamsters, and other animals. They often don't provide services for dogs (or cats) relinquished by their families. Many of them have live release rates for stray dogs which exceeded 95%. They are not listed above. Colorado statistics for all reporting agencies are available here. (Please note: CO statistics do not include "owner requested euthanaisa.")