Lily’s Second Chance

Senior dogs in Missouri

Senior dogs for adoption in Missouri

Meet 119 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 91–119 of 119 below.

Last updated August 21, 2026 at 2:10 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

Senior confirmed
Elephant, adoptable senior Mixed Breed (Large) in St. Louis, MO

Elephant

Mixed Breed (Large) • ♀ Female • 9 years

Dog Reactive · Spayed · No Kids · Stranger Danger · Behavioral Issues - Must Work with Stray Rescue Training · Special Needs · The One Love Club

Stray Rescue of St. Louis • St. Louis, MO

View profileView Adoption Page ↗ (opens in a new tab)
10+ years
Rolex, adoptable senior Mixed Breed (Large) in St. Louis, MO

Rolex

Mixed Breed (Large) • ♂ Male • 10 years

Neutered · Stranger Danger · The One Love Club · No Cats · No Kids · Single Dog Home · Behavioral Issues - Must Work with Stray Rescue Training · Spec…

Stray Rescue of St. Louis • St. Louis, MO

View profileView Adoption Page ↗ (opens in a new tab)
10+ years
Barnaby, adoptable senior Rat Terrier in Raytown, MO

Barnaby

Rat Terrier • ♂ Male • Small • 11 years

Please visit our web site at https://tarasdream.org/adopt to fill out an adoption application for this pet and for more info about our adoption proces…

The Animal Rescue Alliance • Raytown, MO

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Senior confirmed
Sir, adoptable senior Akita in St. Louis, MO

Sir

Akita • ♂ Male • X-Large • 7 years

Meet Sir: The Ultra-Chill Gentle Breed: Akita Age: Almost 8 years old Weight: 115 lbs Coat: Incredibly soft and plush If you are looking for a big, ha…

Needy Paws Rescue • St. Louis, MO

View profileView Adoption Page ↗ (opens in a new tab)
Senior confirmed
Motown, adoptable senior Great Pyrenees in St. Louis, MO

Motown

Great Pyrenees • ♂ Male • X-Large • 7 years

Meet Motown: The Big-Hearted Snuggler Breed: Great Pyrenees / Shepherd / Boxer mix Age: 7 years old Weight: 120 lbs Coat: Super soft (with a handsome …

Needy Paws Rescue • St. Louis, MO

View profileView Adoption Page ↗ (opens in a new tab)

Senior dogs in Missouri by breed

Mixed Breed38Pit Bull Terrier12German Shepherd6Shih Tzu6Terrier4Chihuahua4Labrador Retriever4Australian Cattle Dog3Shepherd3Boxer2Mastiff2Rottweiler2

Senior dogs in Missouri by city

St. Louis61St. Peters14Savannah8Boonville6Kansas City6Lee's Summit5St. Charles4Union4O'fallon3Bridgeton2Bolivar1Cape Girardeau Area1

Shelters & rescues with senior dogs in Missouri

These organizations currently have at least one adoptable senior dog listed on Lily's Second Chance.

Senior dogs in other states

California1269Texas857Florida580Arizona301North Carolina258Colorado168New York165Maryland163Nevada156Illinois140Utah136Georgia127
All statesBrowse by breed

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.

Submit a senior dogBrowse resources

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