Cost of Pet Ownership by State: Most & Least Expensive [2026]

Key Takeaways

New York and California are the most expensive states for pet ownership: $2,500–$3,500/year for a dog
Mississippi and Arkansas are the cheapest: $1,200–$1,800/year for a dog
Vet costs vary up to 3x between states: routine exam $35–$65 in rural Mississippi vs $85–$150 in Manhattan
Pet insurance premiums vary 40–60% between states due to vet cost differences and claim frequency
Boarding costs show the widest variation: $25–$40/night in low-cost states vs $75–$150/night in coastal metros
The cost-of-living index is the strongest predictor of pet costs — pets are about 15–20% more expensive in high-COL areas

Rank	State	Annual Dog Cost	Avg Vet Visit	Avg Boarding/Night	Monthly Insurance
1	New York	$3,000–$3,500	$100–$150	$75–$120	$60–$90
2	California	$2,800–$3,400	$90–$140	$65–$110	$55–$85
3	Massachusetts	$2,600–$3,200	$85–$130	$60–$100	$55–$80
4	Connecticut	$2,500–$3,100	$85–$125	$60–$95	$50–$80
5	New Jersey	$2,500–$3,000	$80–$120	$55–$90	$50–$80
6	Hawaii	$2,500–$3,200	$90–$140	$70–$110	$55–$85
7	Washington	$2,400–$3,000	$80–$120	$55–$90	$50–$75
8	Colorado	$2,300–$2,800	$75–$115	$50–$85	$45–$75
9	Oregon	$2,300–$2,800	$75–$115	$50–$85	$45–$75
10	Maryland	$2,200–$2,800	$75–$115	$50–$85	$45–$75

Rank	State	Annual Dog Cost	Avg Vet Visit	Avg Boarding/Night	Monthly Insurance
41	Oklahoma	$1,400–$1,800	$45–$70	$25–$40	$30–$50
42	Kentucky	$1,400–$1,800	$45–$70	$25–$40	$30–$50
43	Alabama	$1,300–$1,800	$40–$65	$25–$40	$30–$45
44	Louisiana	$1,300–$1,800	$40–$65	$25–$40	$30–$45
45	South Dakota	$1,300–$1,700	$40–$65	$25–$35	$28–$45
46	Idaho	$1,300–$1,700	$40–$65	$25–$35	$28–$45
47	West Virginia	$1,200–$1,700	$35–$60	$20–$35	$25–$45
48	Arkansas	$1,200–$1,600	$35–$60	$20–$35	$25–$40
49	Mississippi	$1,200–$1,600	$35–$60	$20–$35	$25–$40
50	Wyoming	$1,200–$1,600	$35–$60	$20–$35	$25–$40

Source: AVMA veterinary fee survey (2024), Rover boarding/walking rates, NAPHIA insurance premium data, BLS regional price parities.

Cost of living (60% of variance): Vet salaries, rent for clinic space, and staff wages directly track local COL. Manhattan vet overhead is 3–4x that of rural Mississippi.
Vet density (15% of variance): States with fewer vets per capita (rural West, parts of South) have lower prices but longer travel times and fewer specialty options.
Regulation (10% of variance): Some states require specific liability insurance, facility standards, or staffing ratios that increase vet practice costs.
Climate (10% of variance): Southern states have higher flea/tick/heartworm prevention costs (year-round vs seasonal). Northern states have higher heating costs for boarding facilities.
Pet density (5% of variance): High pet ownership areas (South, Mountain West) have more competition among pet services, keeping some prices lower.

For international comparison, see UK vs US pet costs. For overall cost breakdowns, see cost of owning a dog and cost of owning a cat. For pet ownership rates by state, see pet ownership by state.