Sulphur at a glance
- Population: 4,880 residents, the 78th-largest of 590 places in Oklahoma (US Census Bureau, Vintage 2023).
- 2020 Census base: 4,944 people (US Census Bureau, 2020 Census count).
- 2020 to 2023 change: about 1.3% below the 2020 Census base (US Census Bureau).
- Rank among Oklahoma places: 78th out of 590 Census places (US Census Bureau).
- Size percentile: ahead of around 87% of Oklahoma places in population terms (US Census Bureau).
- Coordinates: 34.5016, -96.9865 (US Census Bureau Gazetteer).
- Nearest larger cities (120-mile radius): Pauls Valley, OK (20 mi); Ardmore, OK (23 mi); Ada, OK (26 mi); Lone Grove, OK (27 mi); Purcell, OK (42 mi) (US Census Bureau).
- Smaller places close by: Dougherty, OK (8 mi); Hickory, OK (8 mi); Mill Creek, OK (11 mi) (US Census Bureau).
What a personal loan costs in Sulphur
Personal loans are installment credit — one lump sum, repaid in equal monthly installments across a fixed term you agree to up front.
Compare every quote on APR because it includes the fees the interest rate hides, and check the payment with our personal loan calculator.
Because interest accrues for longer, a longer term means a lower installment and a higher total cost — decide which matters more to you.
Most lenders offer pre-qualification with a soft credit pull, so you can see an estimated rate and amount without affecting your credit score.
Oklahoma lending rules that apply in Sulphur
Where a figure is not published by the state, the row points to the source instead of guessing.
| Rule | Detail | Source |
|---|---|---|
| Small-loan / installment lender licensing | Oklahoma Small Lender license required (Oklahoma Department of Consumer Credit); separate license per location; 59 O.S. 3150-3150.27. Source says: "no person shall engage in the business of making small loans... unless the person is licensed by the Department of Consumer Credit" (59 O.S. 3150.2). | Oklahoma State Courts Network (Oklahoma Statutes, OSCN) as of 2026-09-16 |
| State lending regulator | Oklahoma Department of Consumer Credit (OKDOCC) Source says: "The Department is responsible for the regulation of consumer credit sales and consumer loans in the State of Oklahoma." | Oklahoma Department of Consumer Credit as of 2026-09-16 |
| Small loan rate and principal caps (state-specific rule) | Small loans: interest capped at 17% per month; maximum aggregated principal of $1,500 per customer across all licensees (CPI-adjusted). Source says: "A licensee may only charge and collect a periodic interest rate not to exceed seventeen percent (17%) per month" (59 O.S. 3150.10(B)); max aggregated principal is $1,500 (3150.10(C)). | Oklahoma State Courts Network (Oklahoma Statutes, OSCN) as of 2026-09-16 |
| Maximum legal interest rate (usury cap) | 6% per annum legal rate in the absence of a contract; parties may agree to any rate authorized by law. Source says: "The legal rate of interest shall be six percent (6%) in the absence of any contract as to the rate of interest" (15 O.S. 266). | Oklahoma State Courts Network (Oklahoma Statutes, OSCN) as of 2026-09-16 |
| Payday lending status | Prohibited since August 1, 2020: no new deferred deposit (payday) loans may be made; all Deferred Deposit Lending Act licenses terminated. Source says: "Beginning on and after August 1, 2020, no new deferred deposit loan may be entered into or transacted by a licensee or other person" and "All Deferred Deposit Lending Act licenses shall be terminated and be deemed to have expired on August 1, 2020" (59 O.S. 3101.1). | Oklahoma State Courts Network (Oklahoma Statutes, OSCN) as of 2026-09-16 |
How to compare offers in Sulphur
Before you share your details with a lender in Sulphur:
- Pull your free credit reports and dispute any error — it is the cheapest way to improve the rate you are offered.
- Run your figures through the personal loan calculator on this site so you know the payment before a lender quotes one.
- Pre-qualify with at least three lenders and compare the APR, not the interest rate.
- Check that the lender is licensed in Oklahoma using the regulator named above.
- Read the disclosure for origination fees and any prepayment penalty before you sign.