v3.25.3
Shareholder Report
6 Months Ended
Aug. 31, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name T. ROWE PRICE STATE TAX-FREE FUNDS, INC.
Entity Central Index Key 0000795384
Entity Investment Company Type N-1A
Document Period End Date Aug. 31, 2025
C000005539  
Shareholder Report [Line Items]  
Fund Name New York Tax-Free Bond Fund
Class Name Investor Class
Trading Symbol PRNYX
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
New York Tax-Free Bond Fund - Investor Class
$26
0.53%
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.53%
AssetsNet $ 418,177,000
Holdings Count | Holding 271
InvestmentCompanyPortfolioTurnover 20.80%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Total Net Assets (000s)
$418,177
Number of Portfolio Holdings
271
Holdings [Text Block]

State Allocation (as a % of Net Assets)

New York
93.6%
Puerto Rico
5.4
Other
1.0

Industry Allocation (as a % of Net Assets)

Special Tax
20.2%
Education
15.5
Transportation
13.8
Housing
13.5
Health Care
9.5
Electric
4.4
General Obligations - Local
3.8
Water & Sewer
3.5
Industrial & Pollution Control
3.0
Other
12.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless
C000193178  
Shareholder Report [Line Items]  
Fund Name New York Tax-Free Bond Fund
Class Name I Class
Trading Symbol TRYIX
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find the fund’s prospectus, financial information on Form N‑CSR (which includes required tax information for dividends), holdings, proxy voting information, and other information atwww.troweprice.com/prospectus. You can also request this information without charge by contacting T. Rowe Price at 1‑800‑638‑5660 or info@troweprice.com or contacting your intermediary.
Material Fund Change Notice [Text Block]  
Additional Information Phone Number 1‑800‑638‑5660
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 13.3333px; font-weight: 400; grid-area: auto; line-height: 17.3333px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@troweprice.com</span>
Additional Information Website www.troweprice.com/prospectus
Expenses [Text Block]

What were the fund costs for the last six months? (based on a hypothetical $10,000 investment)

 
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
New York Tax-Free Bond Fund - I Class
$22
0.44%
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.44%
AssetsNet $ 418,177,000
Holdings Count | Holding 271
InvestmentCompanyPortfolioTurnover 20.80%
Additional Fund Statistics [Text Block]

What are some fund statistics?

Fund Statistics

Total Net Assets (000s)
$418,177
Number of Portfolio Holdings
271
Holdings [Text Block]

State Allocation (as a % of Net Assets)

New York
93.6%
Puerto Rico
5.4
Other
1.0

Industry Allocation (as a % of Net Assets)

Special Tax
20.2%
Education
15.5
Transportation
13.8
Housing
13.5
Health Care
9.5
Electric
4.4
General Obligations - Local
3.8
Water & Sewer
3.5
Industrial & Pollution Control
3.0
Other
12.8
Material Fund Change [Text Block]
Updated Prospectus Web Address www.troweprice.com/paperless