Senior confirmed
Senior Chihuahua dogs in Missouri
Senior Chihuahua dogs for adoption in Missouri
Meet 4 adoptable senior Chihuahua dogs (age 7+) in Missouri. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Chihuahuas in Missouri 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 Missouri means welcoming a calm, grateful companion who can settle in from day one.
Last updated August 21, 2026 at 12:26 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior confirmed
Bea
Bea is a sweet, loving, headstrong cautious 7 yr old chi mix, who came to rescue as an owner surrender. Once she warms up to you she will be your best…
All Paws Rescue, Inc. • O Fallon, MO
10+ years
Stud
STUD: 10% CHIHUAHUA, 90% OPINIONS At 10 years young, Stud has officially reached the age where he knows what he likes… and he’s not afraid to tell you…
No Time to Spare Animal Rescue and Sanctuary • Warrenton, MO
Updated recently
Shania
Shania is so sweet and respectful to children. She ignores cats and has no problem with any people, including men. No dog reactivity. BUT she is domin…
Needy Paws Rescue • St. Louis, MO
Senior Chihuahua dogs in other states
Other senior dogs in Missouri by breed
Adopting a senior Chihuahua in Missouri — 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 Missouri?
Open any dog's profile to see the shelter or rescue caring for them in Missouri, 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 Missouri?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Chihuahua in Missouri right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Chihuahua from Missouri if I live elsewhere?
Often, yes. Many rescues and shelters in Missouri 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 Missouri who needs a home?
Shelters and rescues can list adoptable senior dogs for free.