Senior confirmed
NOVA
Meet Nova, she can be shy at first and may take some time to warm up. A home with older kids who can understand her need for space would be ideal. Onc…
Denver Animal Shelter • Denver, CO
Senior Chihuahua dogs in Colorado
Senior Chihuahua dogs for adoption in Colorado
Meet 8 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 July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior confirmed
VECTOR
This darling little gentleman is Vector! He is mellow, loves to go on walks and loves attention!
Denver Animal Shelter • Denver, CO
Senior confirmed
FENDI
Fendi is a small, sweet girl who just needs a little time to feel safe. She can be nervous when first meeting new people, but once she warms up, her g…
Denver Animal Shelter • Denver, CO
10+ years
CARRERA
Hi there! My name is Carrera, and I may be a tiny senior gal, but don’t let my age fool you... I’m full of spunk, zoomies, and personality! I absolute…
Larimer Humane Society • Fort Collins, CO
Senior confirmed
CHICO
Meet Chico! This handsome guy is looking for a new home that is comfy, loving, and low traffic! Chico is as sweet as can be with the people he is comf…
Aurora Animal Care • 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
10+ years
Maxie
This sweet gal is Maxie. Maxie lost her owner and ended up in a shelter. She had been through so much and when she came to us, we found out she was He…
HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League) • Georgetown, 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.