
Ruthine
Est DOB 11/01/18 Current weight ~ 10 lbs This dog is heartworm positive but please do not rule him/her out because of it. There's a treatment that is …
Mutts & Meows Animal Rescue • Missouri City, TX
Senior Chihuahua dogs
Meet 555 adoptable senior Chihuahua dogs (age 7+) from shelters and rescues across the country. Older dogs are often calm, house-trained, and ready to love from day one. Showing 1–30 of 555 below.
Chihuahuas live a long time, so a dog just past 7 is often nowhere near the end of the story. That matters, because shelters see a steady stream of older chihuahuas surrendered when an elderly owner passes or moves into care, and these dogs frequently have many good years left. A senior chihuahua that has spent its life on a lap tends to want exactly that again.
Temperament in later life is usually devoted and a little opinionated. Many older chihuahuas bond hard to one or two people, prefer a predictable household, and can be wary of strangers or rough handling. They do well in apartments and with retirees, and their exercise needs are modest: short walks, a warm spot in the sun, and a blanket to burrow into.
Dental disease is the big theme with this breed, along with knee problems, heart murmurs, and weight creep, all things to ask the shelter and your veterinarian about. Small seniors chill easily, so a sweater is not just decoration. Because they are so portable and so long lived, an older chihuahua is one of the easiest seniors to fit into a life, provided you check the shelter's records and have your veterinarian look the dog over early.
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.
555 senior Chihuahua dogs available.

Est DOB 11/01/18 Current weight ~ 10 lbs This dog is heartworm positive but please do not rule him/her out because of it. There's a treatment that is …
Mutts & Meows Animal Rescue • Missouri City, TX

Est DOB 6/01/18 Current weight ~ 11 lbs; Loves to go on walks This dog is heartworm positive but please do not rule him/her out because of it. There's…
Mutts & Meows Animal Rescue • Missouri City, TX

Est DOB 07/01/17 Current weight ~ 15 lbs This dog is heartworm positive but please do not rule him/her out because of it. There's a treatment that is …
Mutts & Meows Animal Rescue • Missouri City, TX

Meet Chloe & Marley — 18 pounds of personality between them! These two little cuties came to Russell Rescue together, and they are just about as adora…
Russell Rescue, Inc. • Columbia, TN


Pacino Pepe is a 9 year old White Chihuahua with the biggest and sweetest eyes you have ever seen. This tiny 5 pound boy has been a loyal partner for …
Critter Cavalry Rescue • Franklin, TN

Meet Raheem, one of our senior dogs. (They deserve good homes, too!) He is 10 years old and weighs just 15 pounds. It’s because of his size that we wi…
Crossing Paths Animal Rescue • Yardley, PA

Meet Stella, a tiny Chihuahua with a big personality! At 8 years old, this lively girl still loves exploring the yard and showing off her adorable tre…
Homeward Bound Pet Rescue Inc. of Gilmer County • Ellijay, GA

San Antonio Humane Society • San Antonio, TX

God's Dog's Rescue of TX for MD Transport stop • Baltimore, MD


Meet Willow. Willow is a lively 11 + year-old, 23 lb senior gal chihuahua mix who still has plenty of spark and curiosity. While she seems to be a one…
Second Chance Dog Rescue • San Diego, CA

Courage is an absolute sweetheart who just wants to be loved! His past was rough but we are looking forward to making the rest of his life AMAZING!!!!
2nd Chance 4 Life • Elizabethtown, PA

Roofus is the sweetest most gentle boy! He loves receiving pets and loves getting attention. He did not have a good start to life but he doesn't let t…
2nd Chance 4 Life • Elizabethtown, PA

Wishbone is LOVING life now!!! Soaking up every moment of snuggles, comfort, and joy. But his journey didn’t start that way. He came from a very bad s…
2nd Chance 4 Life • Elizabethtown, PA

Casper and Tubbz are two sweet sweet boys. Casper likes to stay close to his people and Tubbz likes to do his own thing :) They love to play together …
2nd Chance 4 Life • Elizabethtown, PA



Homeward Bound Pet Rescue • Columbia, SC


Tri-State Humane Society • Chickamauga, GA


Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ



If you’re anything like me, big eyes will get you every time. Such is the case with our little girl named Dorian, a 10-year-old, Chihuahua mix. You mi…
Crossing Paths Animal Rescue • Yardley, PA



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

West Valley Animal Care Center - Los Angeles Animal Services • Chatsworth, CA
Some do and some decidedly do not. Older chihuahuas often prefer other small, calm dogs and can be defensive around large or boisterous ones. The shelter can tell you how the dog behaved with kennel mates and during any dog introductions. If you have a resident dog, ask for a supervised meeting before committing.
Older chihuahuas are not harder to train than other small breeds, but many have gaps from years of inconsistent routines. A senior that has lived indoors on pads may need patient retraining to go outside. Frequent trips out, praise, and a fixed schedule usually get results, and the shelter can tell you what habits the dog arrived with.
Ask the shelter and your veterinarian about teeth, since dental disease is common in the breed, and about the knees, heart, and weight. Some older chihuahuas also develop a collapsing windpipe that causes a honking cough. None of these is a reason to walk away on its own, but knowing what has been checked helps you plan.
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.
Open a dog's profile to see the shelter or rescue caring for them, then follow the adoption link or contact details to apply directly with that organization.
Often, yes. An older Chihuahua is usually past the high-energy puppy stage and may already know basic commands, which can make ownership easier to ease into. Each profile and shelter can tell you about that dog's individual personality and needs.
Senior dogs are calmer, usually house-trained, and let you skip the chewing and sleepless nights — and because they are the hardest to place, adopting one can quite literally save a life that might otherwise run out of time.
It depends on the individual dog more than the breed alone. Each dog's profile and the shelter or rescue caring for them can tell you about their history with kids, cats, or other dogs. Senior dogs are often calmer and more predictable than puppies, which can make reading compatibility easier before you commit.
Adoption fees vary by shelter and rescue, but senior dogs are frequently discounted or even sponsored — because they wait the longest, many organizations offer reduced fees or cover initial vet care. Open a dog's profile and ask the organization directly for their current fee and what it includes.
Many shelters and rescues offer a foster program, sometimes with a foster-to-adopt path. Fostering a senior Chihuahua gets them out of a kennel and into a calm home — which is especially beneficial for older dogs who find shelter life stressful. Ask the organization on any dog's profile whether fostering is an option.
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 ageA 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 & healthHow 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 readShelters and rescues can list adoptable senior dogs for free.