South Plainfield at a glance
- Population: the Census estimates 24,131 residents, ranking 39th of 323 places in New Jersey (Vintage 2023).
- 2020 Census base: 24,334 people (US Census Bureau, 2020 Census count).
- 2020 to 2023 change: roughly 0.8% fewer residents than at the 2020 Census (US Census Bureau).
- Rank among New Jersey places: 39th in population of 323 places (US Census Bureau).
- Size percentile: it is larger than about 88% of the places in New Jersey (US Census Bureau).
- Coordinates: 40.5744 latitude, -74.4148 longitude (US Census Bureau Gazetteer).
- Nearest larger cities: Plainfield, NJ (3 mi); New Brunswick, NJ (6 mi); Westfield, NJ (7 mi); Rahway, NJ (7 mi); Perth Amboy, NJ (8 mi); each population is a US Census Bureau estimate.
- Smaller places close by: Dunellen, NJ (3 mi); North Plainfield, NJ (3 mi); Metuchen, NJ (4 mi) (US Census Bureau).
What a personal loan costs in South Plainfield
Personal loans are installment credit — one lump sum, repaid in equal monthly installments across a fixed term you agree to up front.
Compare offers on APR rather than the headline rate — the APR includes most fees, and you can model the total 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.
New Jersey lending rules that apply in South Plainfield
Every figure in the table below is sourced to a publisher with a date; where a state does not publish a number, we say so rather than estimate.
| Rule | Detail | Source |
|---|---|---|
| State lending regulator | New Jersey Department of Banking and Insurance (DOBI); Office of Consumer Finance supervises consumer lenders Source says: "The Office of Consumer Finance regulates 16 types of businesses that provide a variety of consumer financial services." | New Jersey Department of Banking and Insurance as of 2026-09-16 |
| Criminal usury limits | 30% for non-corporate borrowers; 50% for corporations Source says: "the criminal usury limitation is 50 percent for corporations and 30 percent for non-corporate borrowers" | New Jersey Department of Banking and Insurance as of 2026-09-16 |
| Maximum legal interest rate (usury cap) | Civil usury: rates above 6% (agreement not in writing) or above 16% (written contract specifying the rate) Source says: "the civil usury rate is any interest rate greater than 6 percent for an agreement that is not in writing" | New Jersey Department of Banking and Insurance as of 2026-09-16 |
| Payday lending status | Unlicensed payday lending violates New Jersey's civil and criminal usury rates; payday lenders must be licensed Source says: "out-of-state or foreign entities that have not obtained the required New Jersey license and whose payment terms violate New Jersey's civil and criminal usury rates" | New Jersey Department of Banking and Insurance as of 2026-09-16 |
| Small-loan / installment lender licensing | Consumer lender license required for loans of $50,000 or less for personal, family, or household purposes (N.J.S.A. 17:11C-1 et seq.) Source says: "A consumer lender license is required for the making of a loan that is to be used primarily for personal, family or household purposes" | New Jersey Department of Banking and Insurance as of 2026-09-16 |
How to compare offers in South Plainfield
These steps are the ones that most affect the offer you receive in South Plainfield:
- 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 New Jersey using the regulator named above.
- Read the disclosure for origination fees and any prepayment penalty before you sign.