10+ years
Tiffany
Don't let the number fool you, Tiffany is 11 years young and has enough pep in her step to keep up with dogs half her age! This sweet senior proves ev…
REACH Rescue, Inc • Mundelein, IL
Senior dogs in Illinois
Senior dogs for adoption in Illinois
Meet 146 adoptable senior dogs (age 7+) in Illinois. Each one is from a shelter or rescue and ready to give an older dog's quiet, grateful love. Showing 61–90 of 146 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 Illinois 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 Illinois
Senior confirmed
OLIVE
Meet Olive! This old girl is still full of life and would love to find a family of her own. She likes men, women, and other dogs!
Kane County Animal Control • Geneva, IL
10+ years
ANGEL
ANGEL is a senior female American Pit Bull Terrier, large, located in Aurora, IL at Aurora Animal Care and Control. Senior dogs make wonderful compani…
Aurora Animal Care and Control • Aurora, IL
10+ years
Anders
Anders is a 1 year old pup with a heart of gold. He’s playful and can entertain himself with his toys! He’s a smart cookie too! He is very eager to pl…
Dogs are Deserving • Crete, IL
10+ years
Mila
Mila is an absolute ball of love. She may not have had the best start in life, but you would never know it from her joyful spirit. Mila is a beautiful…
Dogs are Deserving • Crete, IL
Senior confirmed
Carly
D2026-094 Looking for a special home........ Meet Carly. Carly is an 8 year old poodle around 10lbs. Carly spent her life as a breeder dog. She was no…
Randolph County Humane Society • Steeleville, IL
Senior confirmed
BARBIE
BARBIE is a senior female Yorkshire Terrier (Yorkie) of small size. She is located at the Animal Welfare League of Illinois - Chicago Ridge in Chicago…
Animal Welfare League of Illinois - Chicago Ridge • Chicago Ridge, IL
Senior confirmed
CHARLIE
CHARLIE is a senior male Yorkshire Terrier (Yorkie), small in size, at the Animal Welfare League of Illinois - Chicago Ridge in Chicago Ridge, IL. Sen…
Animal Welfare League of Illinois - Chicago Ridge • Chicago Ridge, IL
10+ years
Luna
Luna is a soft, fluffy, peaceful presence — a gentle, loving cloud in dog form. She moves through life at her own calm, unhurried pace and is happiest…
Animal Education and Rescue • Libertyville, IL
Senior confirmed
Jimmy John
Jimmy John is an 8 year old male Poodle who weighs in at 4.5 pounds. This dog's adoption fee is $350. If you are still interested, please read more be…
Animal Rescue Foundation (ARF-IL) • Wheaton, IL
Senior confirmed
Jersey Mike
Jersey Mike is an 8 year old male Poodle who weighs in at 4.8 pounds. This dog's adoption fee is $350. If you are still interested, please read more b…
Animal Rescue Foundation (ARF-IL) • Wheaton, IL
Senior confirmed
Ellen
Meet Ellen – Your Sweet Shadow Ellen is a gentle, tricolor Australian Cattle Dog/Blue Heeler mix who’s about 9 years old. Petite at just 35 pounds, sh…
Come Bye Border Collie Rescue • Highland, IL
Senior confirmed
Thomas Jeffrey
Thomas Jeffrey, also known as TJ, is one of our older, longer residents. But don't let his age fool you, he has plenty of energy to go after a ball. T…
Perry County Humane Society of Illinois • DuQuoin, IL
10+ years
Angel
Angel is a 4-6 year old female Terrier mix who weighs in at 15 pounds. This dog's adoption fee is $400. If you are still interested, please read more …
Animal Rescue Foundation (ARF-IL) • Wheaton, IL
Senior confirmed
Brewer
Brewer is a 9 year old male Lab/Boxer mix who weighs in at approximately 80 pounds. This dog's adoption fee is $250. Check out the 2 pictures of him w…
Animal Rescue Foundation (ARF-IL) • Wheaton, IL
10+ years
Peaches II
Peaches II is a 6 years old female Lab Mix. She LOVES the tennis ball and will self entertain herself and you with her ball chasing antics. She is not…
Hope Animal Rescues • Godfrey, IL
10+ years
LUCKY STARS
My name is Lucky Stars. I am described as a male, white and black American Pit Bull Terrier.
Chicago Animal Care and Control • Chicago, IL
Senior confirmed
Maggie
Maggie is a sweet and gentle girl with a soft fuzzy white-and-black coat and the kindest eyes. She was found with a long-neglected injury to her front…
Wright-Way Rescue • Morton Grove, IL
10+ years
10+ years
Senior confirmed
Senior confirmed
10+ years
Senior confirmed
CASTINE
My name is Castine. I am described as a female, tan and white American Pit Bull Terrier.
Chicago Animal Care and Control • Chicago, IL
Senior confirmed
CHARA
My name is Chara. I am described as a spayed female, gray and white American Pit Bull Terrier mix.
Chicago Animal Care and Control • Chicago, IL
Senior confirmed
Waylon and Cash
Waylon and Cash are 8 year old bonded male Australian Cattle Dogs who weigh in at 70 and 60 pounds respectively. The combined adoption fee for both do…
Animal Rescue Foundation (ARF-IL) • Wheaton, IL
10+ years
Cocomelon
Meet Cocomelon, a 10 year old, 26 lb very chill beagle who adores all people she meets. Coco came to Wish Bone after her owner passed away unexpectedl…
Wish Bone Canine Rescue • Normal, IL
10+ years
YoYo
Meet YoYo, a 20 year old, 6 lb Maltese who came to Wish Bone after his owner passed away unexpectedly. YoYo is an adaptable senior gentleman, wanting …
Wish Bone Canine Rescue • Normal, IL
Senior confirmed
Senior confirmed
Fitz
Meet Fitz, a 7-year-old Chihuahua mix weighing 10 pounds, and prepare to fall head over heels for this one-of-a-kind little gentleman. Missing one eye…
Wish Bone Canine Rescue • Normal, IL
Senior dogs in Illinois by breed
Senior dogs in Illinois by city
Shelters & rescues with senior dogs in Illinois
These organizations currently have at least one adoptable senior dog listed on Lily's Second Chance.
- Chicago Animal Care and Control — Chicago, Illinois · See Chicago Animal Care and Control’s senior dogs on Lily's Second Chance
- Wish Bone Canine Rescue — Normal, Illinois · See Wish Bone Canine Rescue’s senior dogs on Lily's Second Chance
- Animal Welfare League of Illinois - Chicago Ridge — Chicago Ridge, Illinois · See Animal Welfare League of Illinois - Chicago Ridge’s senior dogs on Lily's Second Chance
- Dogs are Deserving — Crete, Illinois · See Dogs are Deserving ’s senior dogs on Lily's Second Chance
- Wright-Way Rescue — Morton Grove, Illinois · See Wright-Way Rescue’s senior dogs on Lily's Second Chance
- Chicago Animal Care and Control — Chicago, Illinois · See Chicago Animal Care and Control’s senior dogs on Lily's Second Chance
- Animal Rescue Foundation (ARF-IL) — Wheaton, Illinois · See Animal Rescue Foundation (ARF-IL)’s senior dogs on Lily's Second Chance
- Come Bye Border Collie Rescue — Highland, Illinois · See Come Bye Border Collie Rescue’s senior dogs on Lily's Second Chance
- Animal Welfare League of Illinois - Chicago Ridge — Chicago Ridge, Illinois · See Animal Welfare League of Illinois - Chicago Ridge’s senior dogs on Lily's Second Chance
- Bishop's Small Dog Rescue — Waterloo, Illinois · See Bishop's Small Dog Rescue’s senior dogs on Lily's Second Chance
- Hope Animal Rescues — Godfrey, Illinois · See Hope Animal Rescues’s senior dogs on Lily's Second Chance
- Peoria Animal Welfare Shelter — Peoria, Illinois · See Peoria Animal Welfare Shelter’s senior dogs on Lily's Second Chance
- REACH Rescue, Inc — Mundelein, Illinois · See REACH Rescue, Inc’s senior dogs on Lily's Second Chance
- Aurora Animal Care and Control — Aurora, Illinois · See Aurora Animal Care and Control’s senior dogs on Lily's Second Chance
- Genesis Animal Rescue — Mattoon, Illinois · See Genesis Animal Rescue ’s senior dogs on Lily's Second Chance
- Hoof Woof Meow Animal Rescue — Elgin, Illinois · See Hoof Woof Meow Animal Rescue’s senior dogs on Lily's Second Chance
- Placing Paws Rescue — Libertyville, Illinois · See Placing Paws Rescue’s senior dogs on Lily's Second Chance
- Randolph County Humane Society — Steeleville, Illinois · See Randolph County Humane Society’s senior dogs on Lily's Second Chance
- Redemption Road Rescue Rehab Inc. — Wauconda, Illinois · See Redemption Road Rescue Rehab Inc.’s senior dogs on Lily's Second Chance
- Starfish Animal Rescue — Geneva, Illinois · See Starfish Animal Rescue’s senior dogs on Lily's Second Chance
- Winnebago County Animal Services — Rockford, Illinois · See Winnebago County Animal Services’s senior dogs on Lily's Second Chance
- A Caring Place - All Breed Dog Rescue — Westmont, Illinois · See A Caring Place - All Breed Dog Rescue’s senior dogs on Lily's Second Chance
- Animal Education and Rescue — Libertyville, Illinois · See Animal Education and Rescue’s senior dogs on Lily's Second Chance
- German Shepherd Rescue INC — SKOKIE, Illinois · See German Shepherd Rescue INC’s senior dogs on Lily's Second Chance
Senior dogs in other states
Adopting a senior dog in Illinois — 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 Illinois?
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 Illinois?
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 Illinois?
Yes. Most shelters and rescues in Illinois welcome adopters from anywhere in the state, and some can arrange transport within Illinois 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 Illinois?
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 Illinois instead of adopting?
Many shelters and rescues in Illinois 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 Illinois 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 Illinois who needs a home?
Shelters and rescues can list adoptable senior dogs for free.