Senior confirmed
Beans *Special Needs
SPECIAL NEEDS ** Level 4 Heart Murmur ** **REQUIRES FENCED YARD ** Meet 'Beans', an 8-1/2 yr old, 12 lb, Chihuahua Mix . He's considered 'Special Need…
Needy Paws Rescue • St. Louis, MO
Senior dogs in Missouri
Senior dogs for adoption in Missouri
Meet 59 adoptable senior dogs (age 7+) in Missouri. Each one is from a shelter or rescue and ready to give an older dog's quiet, grateful love. Showing 1–30 of 59 below.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior dogs — age 7 and up — wait far longer for homes than puppies, even though they're usually already house-trained, past the chewing stage, and happy to nap at your feet. Adopting an older dog in Missouri means you typically know their size, temperament, and energy level from day one: fewer surprises, and a grateful companion who settles in fast. Always confirm availability and adoption requirements directly with the shelter or rescue.
Available senior dogs in Missouri
10+ years
Xander
XANDER is an affectionate 10-11 year old high Belgian Terv mix who needs a quiet home with an experienced trainer. BACKGROUND: Dumped in a shelter by …
Missouri German Shepherd Rescue • Kansas City, MO
Senior confirmed
Senior confirmed
DIESEL
Diesel is a playful dog who has lived with children and other dogs in the past. He's housetrained, crate trained, and enjoys car rides! He loves to ch…
Animal Protective Association of Missouri • St. Louis, MO
Senior confirmed
BECO
BECO is a small female Miniature Schnauzer senior at the Humane Society of Missouri in St Louis, MO. Senior dogs make wonderful companions.
Humane Society of Missouri • St Louis, MO
10+ years
Carleton "Spunky Senior!"
A Senior who is Sight & Hearing Impaired ** Will do final vetting on Jul 13 and ready for Adoption After that. Meet Carleton (Now known as Teddy!), es…
Needy Paws Rescue • St. Louis, MO
Senior confirmed
Tango
Tango is a 9 years, 2 months old male Chihuahua/Terrier (Unknown Type, Small) at All About Paws Rescue in Bridgeton, MO. Senior dogs make wonderful co…
All About Paws Rescue • Bridgeton, MO
Senior confirmed
Jenny
Jenny is a female Terrier (Unknown Type, Medium)/Mixed Breed (Medium), 8 yrs 6 mos (senior), located in O'Fallon, MO at Unleashed Potential Animal Res…
Unleashed Potential Animal Rescue • O'Fallon, MO
10+ years
Dre
Dre is a 12 years, 1 month old male American Staffordshire Terrier/mixed breed (large) at Unleashed Potential Animal Rescue in O'Fallon, MO. Senior do…
Unleashed Potential Animal Rescue • O'Fallon, MO
10+ years
GYPSIE
GYPSIE is a senior female Collie, a large dog at St Charles County Humane Services in St Peters, MO. Senior dogs make wonderful companions.
St Charles County Humane Services • St Peters, MO
Senior confirmed
ZINNIA
ZINNIA is a senior female Black and Tan Coonhound, large, located in Maryland, MO at the Humane Society of Missouri - Maryland Heights. Senior dogs ma…
Humane Society of Missouri - Maryland Heights • Maryland, MO
Senior confirmed
Ashton Kutcher "Daddy's Boy!!"
FEW or NO STEPS. Ashton has front right elbow arthritis ** Would like a doggy buddy his size at home too ** Meet ASHTON KUTCHER, 8 yr old, 11 lb, York…
Needy Paws Rescue • St. Louis, MO
Senior confirmed
Dublin
Dublin is a sweet and silly seven year old mixed breed boy who weighs around 18 pounds. He is housebroken and friendly to everyone he meets. Dublin is…
All Paws Rescue, Inc. • O Fallon, MO
Senior confirmed
TILLY
This is Tilly, Tilly was adopted from our shelter as a puppy in 2017. She is now 8 years old and found herself back in the shelter today. The family h…
St Charles County Humane Services • St Peters, MO
Senior confirmed
MATILDA
MATILDA is a female, medium Pit Bull Terrier / Beagle mix, listed as a senior and located in St Louis, MO at the Humane Society of Missouri. Senior do…
Humane Society of Missouri • St Louis, MO
Senior confirmed
ATHENA
ATHENA is a senior female Siberian Husky, large, currently located in St Louis, MO at the Humane Society of Missouri. Senior dogs make wonderful compa…
Humane Society of Missouri • St Louis, MO
10+ years
KANE
Kane Kane is a 12-year-old Chihuahua mix who was found as a stray on 5/30/26. His owner reported she believed he had been taken a few weeks prior, but…
St Charles County Humane Services • St Peters, MO
Senior confirmed
Fern
Meet Fern, an 8½-year-old Cavalier King Charles Spaniel and Bichon mix. She is loving, gentle, and truly one of the sweetest dogs I’ve ever met. Fern …
Needy Paws Rescue • St. Louis, MO
Senior confirmed
Billie Jean
Approx. DOB: 3/17/17 Approx. Weight: 57 Lbs Adoption Fee: $175 includes a 2 week trial to ensure everyone's happiness! Billie Jean landed in a rural M…
Furry Kids Refuge • Lee's Summit, MO
Senior confirmed
10+ years
10+ years
10+ years
Senior confirmed
BRICK
Brick is the total package: a loyal companion with both brains and heart. He already knows `sit,` `stay,` and `shake,` is crate trained, and enjoys ho…
Animal Protective Association of Missouri • St. Louis, MO
10+ years
TYLER
Tyler 12-year-old Tyler was found as a stray in O’Fallon on 5/20/26. Staff were able to contact his owner, but sadly he was never reclaimed. Despite b…
St Charles County Humane Services • St Peters, MO
Senior confirmed
SILVA
Silva is a high-energy dog with an affectionate personality and plenty of love to share. She has lived with children and enjoys being part of the acti…
Animal Protective Association of Missouri • St. Louis, MO
10+ years
A114930
A114930 is a small male Terrier, a senior, currently at Lee's Summit Animal Control in Lee's Summit, MO. Senior dogs make wonderful companions.
Lee's Summit Animal Control • Lee's Summit, MO
10+ years
A114929
A114929 is a small male Beagle (senior) at Lee's Summit Animal Control in Lee's Summit, MO. Senior dogs make wonderful companions.
Lee's Summit Animal Control • Lee's Summit, MO
10+ years
TINY
Tiny is a laid-back sweetheart who loves snuggles, naps, and spending time with his favorite people. He's housetrained, walks nicely on a leash, and g…
Animal Protective Association of Missouri • St. Louis, MO
Senior confirmed
Amanda
I'm just a girl looking for love. I get along with everyone; cats, dogs, people...I'm chill with them all! I'm happy as long as I have a comfy place t…
Kansas City Retired Greyhounds as Pets • Kansas City, MO
Senior dogs in Missouri by breed
Senior dogs in Missouri by city
Shelters & rescues with senior dogs in Missouri
These organizations currently have at least one adoptable senior dog listed on Lily's Second Chance.
- Needy Paws Rescue — St. Louis, Missouri · See Needy Paws Rescue’s senior dogs on Lily's Second Chance
- St Charles County Humane Services — St Peters, Missouri · See St Charles County Humane Services’s senior dogs on Lily's Second Chance
- Animal Protective Association of Missouri — St. Louis, Missouri · See Animal Protective Association of Missouri’s senior dogs on Lily's Second Chance
- Humane Society of Missouri — St Louis, Missouri · See Humane Society of Missouri’s senior dogs on Lily's Second Chance
- M'Shoogy's Famous Emergency Animal Rescue — Savannah, Missouri · See M'Shoogy's Famous Emergency Animal Rescue’s senior dogs on Lily's Second Chance
- Missouri German Shepherd Rescue — Kansas City, Missouri · See Missouri German Shepherd Rescue’s senior dogs on Lily's Second Chance
- STRAY PAWS RESCUE — St. Peters , Missouri · See STRAY PAWS RESCUE’s senior dogs on Lily's Second Chance
- Humane Society of Missouri - Maryland Heights — Maryland, Missouri · See Humane Society of Missouri - Maryland Heights’s senior dogs on Lily's Second Chance
- Kansas City Retired Greyhounds as Pets — Kansas City, Missouri · See Kansas City Retired Greyhounds as Pets’s senior dogs on Lily's Second Chance
- All Paws Rescue, Inc. — O Fallon, Missouri · See All Paws Rescue, Inc.’s senior dogs on Lily's Second Chance
- Lee's Summit Animal Control — Lee's Summit, Missouri · See Lee's Summit Animal Control’s senior dogs on Lily's Second Chance
- Unleashed Potential Animal Rescue — O'Fallon, Missouri · See Unleashed Potential Animal Rescue’s senior dogs on Lily's Second Chance
- All About Paws Rescue — Bridgeton, Missouri · See All About Paws Rescue’s senior dogs on Lily's Second Chance
- Furry Kids Refuge — Lee's Summit, Missouri · See Furry Kids Refuge’s senior dogs on Lily's Second Chance
- Midwest Doberman Rescue of St. Louis — St. Charles, Missouri · See Midwest Doberman Rescue of St. Louis’s senior dogs on Lily's Second Chance
- Stover Animal Rescue, Inc. — Stover, Missouri · See Stover Animal Rescue, Inc.’s senior dogs on Lily's Second Chance
- The Animal Rescue Alliance — Raytown, Missouri · See The Animal Rescue Alliance’s senior dogs on Lily's Second Chance
Senior dogs in other states
Adopting a senior dog 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 dog in Missouri?
Open any dog's profile to see which shelter or rescue is caring for them, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance gathers senior dogs in one place so they're easier to find — the adoption itself happens through the local group.
How much does it cost to adopt a senior dog in Missouri?
Adoption fees vary by organization, but senior dogs are frequently discounted or sponsored because they wait the longest. Many rescues also begin any needed medical care before adoption. The dog's profile or the shelter can confirm the current fee.
Are senior dogs harder to care for?
Usually not. Older dogs are typically calmer and already trained, which makes the first weeks far easier than with a puppy. Some have age-related needs like a special diet or joint support, and the listing or shelter will tell you what to expect.
Can I adopt a senior dog from another city in Missouri?
Yes. Most shelters and rescues in Missouri welcome adopters from anywhere in the state, and some can arrange transport within Missouri for the right match. Open a dog's profile to see the organization's contact details and ask them directly how their process works.
What should I expect in the first weeks after adopting a senior dog in Missouri?
Senior dogs usually settle in faster than puppies because they're already past the most demanding stage. Expect a brief adjustment period — they may be shy at first, then relax into their personality. A consistent routine, a comfortable spot to rest, and patience are usually all it takes.
Can I foster a senior dog in Missouri instead of adopting?
Many shelters and rescues in Missouri offer foster programs — sometimes with a foster-to-adopt path so you can try the match before committing. Fostering is especially valuable for senior dogs because it gets them out of a kennel and into a calm home while they wait for their forever family. Ask the organization on any dog's profile whether fostering is available.
Are senior dogs good with children or other pets in a Missouri home?
Many senior dogs are calm, gentle, and well-suited to family life — but it depends on the individual dog more than anything else. The shelter or rescue caring for each dog can tell you their specific history with children, cats, and other dogs before you apply. Many organizations offer meet-and-greets to make sure the match is right for everyone.
Know a senior dog in Missouri who needs a home?
Shelters and rescues can list adoptable senior dogs for free.