Senior confirmed
Idaho
Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ
Senior Chihuahua dogs in Arizona
Senior Chihuahua dogs for adoption in Arizona
Meet 34 adoptable senior Chihuahua dogs (age 7+) in Arizona. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Chihuahuas in Arizona 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 Arizona means welcoming a calm, grateful companion who can settle in from day one.
Last updated October 18, 2026 at 8:44 AM EDT. Listings refresh throughout the day. Always confirm a dog’s availability with the shelter or rescue before making plans.
Available senior Chihuahua dogs in Arizona
34 senior Chihuahua dogs available in Arizona.
10+ years
Little Dog
Why I'd make a great companion: ~Woof! My name is Little Dog and I weigh 23 LBS! ~I'm a whole personality packed into one adorable little package. I'v…
Arizona Humane Society - Sunnyslope • Phoenix, AZ
Senior confirmed
Senior confirmed
10+ years
Snickers
Angels for Paws Rescue and Sanctuary • Maricopa, AZ
10+ years
Mango
Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ
Senior confirmed
Morticia
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Harley
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Lala
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Cinnamon
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Abbie
Meet Abbie! Abbie is an 8-year-old sweetheart who has completely stolen her foster mom’s heart — and it’s easy to see why. Abbie bonds HARD with her p…
Adopt A Dog Rescue • Phoenix, AZ
10+ years
Mellow
Why I'd make a great companion: ~Woof! My name is Mellow and I weigh 18 LBS. ~I may have a few more gray hairs than I used to, but I still have plenty…
Arizona Humane Society - Sunnyslope • Phoenix, AZ
10+ years
Cindy
Why I'd make a great companion: ~Woof! My name is Cindy and I weigh 15 LBS! ~I’m a sweet girl who’s still learning that the world can be a wonderful p…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
10+ years
Baby
Hi everyone! My name is Baby and I am a sweet, laid-back 12-year-old, 8-pound female Apple Head Chihuahua. As a senior, I am looking for a quiet home.…
Help A Dog Smile • Phoenix, AZ
Senior confirmed
Moo
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Flutter
Why I'd make a great companion: ~Woof! My name is Flutter and I weigh 12 LBS! ~I’m experiencing a lot of firsts right now, and that can be a little ov…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
10+ years
Chow Mein
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Dee Dee
Why I'd make a great companion: ~Woof! My name is Dee Dee and I weigh 13 LBS! ~I’m excited to find my people and start my next adventure. Whether we’r…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Baby Girl
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Lupita
My name is Lupita. I am a nine-year-old deer head Chihuahua mix and I’m around 9lbs. I was found as stray and there’s not much known about my past, bu…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
Tulip
Why I'd make a great companion: ~Woof! My name is Tulip and I weigh 8 LBS! ~I spent some time in a loving foster home recovering, and now I'm learning…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Ace
Why I'd make a great companion: ~Arff! My name is Ace and I weigh 15 LBS! ~I can be a little shy at first, so I’ll need some time to get to know you b…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Elmo
Why I'd make a great companion: ~Woof! My name is Elmo and I weigh 16 LBS! ~I may be little, but I have lots of love to give! My favorite place to be …
Arizona Humane Society - Sunnyslope • Phoenix, AZ
Senior confirmed
Otter
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Updated recently
Chalupa
Why I'd make a great companion: ~Hi there! My name is Chalupa and I weigh 11 LBS! ~I’m a sweet senior pup with a shy side and a whole lifetime of love…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Padre
Why I'd make a great companion: ~Hi there, my name is Padre! I'm 8 years old and weigh 7 LBS! ~I'm a little senior looking for a loving family to spen…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Mili
Why I'd make a great companion: ~Arff! My name is Mili and I weigh 7 LBS! ~I’m not necessarily going to seek out attention, I prefer to take things at…
Arizona Humane Society - Sunnyslope • Phoenix, AZ
Senior confirmed
Mango & Papaya
Meet The Fruits! Mango and Papaya (AKA The Fruits) are 9-year old spayed female best friends looking for their forever home! Mango is an 8lb spunky ch…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
Goose
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
10+ years
Tony
Why I'd make a great companion: ~Hello! My name is Tony and I weigh 21 LBS. ~I may be tiny, but I’ve got plenty of confidence, charm, and opinions to …
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior confirmed
Smalls
MEET SMALLS!!! Smalls is a very loving dog, she seeks attention. She's very quiet hardly makes a peep. She is a very good dog. House trained non destr…
Underdog Rescue of Arizona, LLC • Chandler, AZ
10+ years
Penny #8
MEET PENNY #8!!! Penny was found in an abandoned motel room with eight cats and her brother. She likes to sit in your lap or next to you. She loves to…
Underdog Rescue of Arizona, LLC • Chandler, AZ
10+ years
Justin
Meet Justin!!! He is looking for his fur-ever hero to adopt him. We think he is about 10-12 years old and would need a home that understands his needs…
Cool Cats Rescue • Phoenix, AZ
10+ years
Robbie
Forever Loved Pet Sanctuary • Scottsdale, AZ
Senior Chihuahua dogs in other states
Other senior dogs in Arizona by breed
Adopting a senior Chihuahua in Arizona — 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 Arizona?
Open any dog's profile to see the shelter or rescue caring for them in Arizona, 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 Arizona?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Chihuahua in Arizona right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Chihuahua from Arizona if I live elsewhere?
Often, yes. Many rescues and shelters in Arizona 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.
Guides to help you decide
Getting started
Why Adopt a Senior Dog? 7 Reasons Older Dogs Make Wonderful Companions
Senior dogs are often calm, house-trained, and overlooked at shelters. Here are seven honest reasons an older dog may be the best companion you ever bring home.
6 min readUnderstanding ageHow Old Is a "Senior" Dog? Senior Age by Breed and Size
A dog is not "old" at the same age across the board — size and breed change everything. Here is how to tell when a dog becomes a senior, and what it means for care.
5 min readCare & healthCaring for a Senior Dog: Health, Diet, and Everyday Comfort
How to keep an older dog healthy and comfortable — vet care, senior-appropriate diet, joint and dental health, exercise, and simple home adjustments that make a big difference.
8 min readKnow a senior Chihuahua in Arizona who needs a home?
Shelters and rescues can list adoptable senior dogs for free.