10+ years
Senior Chihuahua dogs in Colorado
Senior Chihuahua dogs for adoption in Colorado
Meet 11 adoptable senior Chihuahua dogs (age 7+) in Colorado. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Chihuahuas in Colorado are often passed over for puppies, yet they're usually house-trained, settled in temperament, and ready to bond right away — and because they're fully grown, you already know their size and personality. Adopting a senior Chihuahua in Colorado means welcoming a calm, grateful companion who can settle in from day one.
Last updated August 20, 2026 at 10:26 PM EDT. Listings refresh automatically, usually every 12 hours.
Senior confirmed
Dawson
The Good Life Dog Rescue - Denver • Littleton, CO
10+ years
MARLEY
Meet Marley! This teeny lady is a calm dog who can also full of energy and loves playing and cuddling. She understands commands in English and Spanish…
Aurora Animal Care • Aurora, CO
Senior confirmed
BUDDY
Meet Buddy! This mellow, affectionate boy is happiest when he’s curled up in his person’s lap. He’s gentle, loving, and easygoing ,the kind of dog who…
Adams County Animal Shelter • Brighton, CO
Senior confirmed
SMOKEY
Meet Smokey! This happy, sweet boy is ready to leap into your life! Smokey loves treats, standing up on his hind legs, playing with toys, and explorin…
Aurora Animal Care • Aurora, CO
10+ years
Bean (Courtesy)
This dog is a courtesy listing and not one of our dogs. Please contact the email listed in this post. For more information about Bean, please contact …
Animal Rescue of the Rockies • Aurora, CO
Senior confirmed
Theo
Meet Theo! Theo is a 9-year-old, 9-pound Chihuahua with the sweetest, most tender heart. This little guy is gentle, loving, and happiest when he’s clo…
The Misfits Dog Rescue • Colorado Springs, CO
10+ years
Jake
At 15 years old, Jake the Chihuahua mix has every reason to have given up — but that’s just not who he is. Jake was found wandering alone during a rai…
The Misfits Dog Rescue • Colorado Springs, CO
Senior confirmed
NIXON
Hello my name is Nixon! I am a sweet, lil old man who can't wait to find his next home, hopefully with my friend! I can be a bit shy when you first me…
Denver Animal Shelter • Denver, CO
Senior confirmed
Hunter #3
Animal Rescue of the Rockies believes every pet should find a wonderful and caring home. To ensure Hunter finds the best possible home, we ask you fil…
Animal Rescue of the Rockies • Aurora, CO
Senior confirmed
Ronnie #2
Animal Rescue of the Rockies believes every pet should find a wonderful and caring home. To ensure each pet finds the best possible home, we ask you f…
Animal Rescue of the Rockies • Aurora, CO
Senior Chihuahua dogs in other states
Other senior dogs in Colorado by breed
Adopting a senior Chihuahua in Colorado — FAQ
What counts as a senior dog?
Most shelters and vets consider a dog "senior" around age 7, though large breeds often age sooner and small breeds a little later. Every dog listed here is 7 years or older.
How do I adopt a senior Chihuahua in Colorado?
Open any dog's profile to see the shelter or rescue caring for them in Colorado, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Chihuahuas in one place so they're easier to find.
Are there always senior Chihuahua dogs available in Colorado?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Chihuahua in Colorado right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Chihuahua from Colorado if I live elsewhere?
Often, yes. Many rescues and shelters in Colorado arrange or help coordinate transport for the right adopter, while others prefer a local meet-and-greet first. Open a dog's profile and ask the organization directly how their out-of-area adoption process works.
Know a senior Chihuahua in Colorado who needs a home?
Shelters and rescues can list adoptable senior dogs for free.