10+ years
Senior Mixed Breed dogs
Senior Mixed Breed dogs for adoption
Meet 235 adoptable senior Mixed Breed 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 121–150 of 235 below.
Senior Mixed Breeds are often overlooked in favor of puppies, yet they're frequently house-trained, settled in temperament, and ready to bond immediately. Because they're fully grown, you already know roughly how big they are and what they're like — making an older Mixed Breed one of the most predictable and rewarding dogs you can welcome home.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Available senior Mixed Breed dogs
10+ years
Cooper
Couch Cuddler · Leash/harness trained · Perfect for a Relaxed Lifestyle · Snuggle Champion · Toy Enthusiast
humane.org
Senior confirmed
10+ years
Lenny⭐
Toy Enthusiast · Couch Cuddler · Travel Buddy · Perfect for a Relaxed Lifestyle · Leash/harness trained · Snuggle Champion · Single Dog Home · Feline …
humane.org
Senior confirmed
Senior confirmed
Cody
Cody is a male, medium mixed-breed senior dog. Senior dogs make wonderful companions.
fsac-spca.org
Senior confirmed
10+ years
10+ years
Senior confirmed
Jericho
Jericho is a large mixed-breed male senior dog. Senior dogs make wonderful companions.
fsac-spca.org
10+ years
Senior confirmed
Salsa
Available Now for Adoption · Breed Identification Disclaimer · Adult-Only Home Preferred · Will do best in a home with children over 12 · Single Dog H…
hsdcohio.org
Senior confirmed
Lady
Lady is a senior female medium mixed-breed at the Jacksonville Humane Society in Jacksonville, FL. Senior dogs make wonderful companions.
Jacksonville Humane Society • Jacksonville, FL
Senior confirmed
Eukanuba
Meet Eukanuba he is new here so we are still getting to know him, please check back soon. Come down to BARCS and meet Eukanuba!
BARCS Animal Shelter • Baltimore, MD
Senior confirmed
Iams (Ghost)
Iams (Ghost) is new here and we are still getting to know him. He arrived as a stray, and his finders reported that he is friendly and easily handled.…
BARCS Animal Shelter • Baltimore, MD
Senior confirmed
Old Roy
Meet Old Roy! This handsome boy is ready to explore the world right by your side! Easy to leash and eager to head outside, Old Roy is the perfect walk…
BARCS Animal Shelter • Baltimore, MD
10+ years
Scott
Scott is a petite senior gentleman who is still settling in here, so check back soon for more information as we get to know him. Or better yet, visit …
BARCS Animal Shelter • Baltimore, MD
Senior confirmed
Francis
Francis is a sweet older gal who quickly warms up to people and has the most adorable little trot. She checks in often and loves to be pet and held, l…
BARCS Animal Shelter • Baltimore, MD
Senior confirmed
Jewel (Beautie)
Jewel (Beautie) is new here, and we are still getting to know her. More details will be added soon. Visit BARCS to meet Jewel!
BARCS Animal Shelter • Baltimore, MD
Senior confirmed
Senior confirmed
10+ years
Colin - Foster to Adopt
Colin - Foster to Adopt is a 10-year-old male mixed breed located in Brunswick, ME, listed with Midcoast Humane. Senior dogs make wonderful companions…
Midcoast Humane • Brunswick, ME
Senior confirmed
Roxy
Roxy is a 7 years, 4 months senior female Mixed Breed at Midcoast Humane in Brunswick, ME. Senior dogs make wonderful companions.
Midcoast Humane • Brunswick, ME
Senior confirmed
Lena
Lena is a 7-year, 1-month-old female mixed breed at Midcoast Humane in Brunswick, ME. Senior dogs make wonderful companions.
Midcoast Humane • Brunswick, ME
Senior confirmed
Bradley
Bradley is a 9-year-old male mixed breed at Midcoast Humane in Brunswick, ME. Senior dogs make wonderful companions.
Midcoast Humane • Brunswick, ME
Senior confirmed
Sparky
Housetrained · Walks well on a leash · Requires a fenced yard · Crate trained
Weatherford Wags • Weatherford, TX
Senior confirmed
Critter
Requires a fenced yard · Housetrained · Good with Cats · Walks well on a leash · Foster Needed · Crate trained · Good with Kids
Weatherford Wags • Weatherford, TX
Senior confirmed
Senior confirmed
Senior confirmed
Senior Mixed Breed dogs by state
Other breeds
Adopting a senior Mixed Breed — 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 Mixed Breed?
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.
Are senior Mixed Breed dogs a good fit for first-time adopters?
Often, yes. An older Mixed Breed 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.
Why adopt a senior dog instead of a puppy?
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.
Are senior Mixed Breed dogs good with children or other pets?
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.
How much does it cost to adopt a senior Mixed Breed?
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.
Can I foster a senior Mixed Breed instead of adopting?
Many shelters and rescues offer a foster program, sometimes with a foster-to-adopt path. Fostering a senior Mixed Breed 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.
Know a senior dog who needs a home?
Shelters and rescues can list adoptable senior dogs for free.