Personal loans in Seneca, IL
By population, Seneca sits at 453rd in Illinois, with an estimated 2,311 residents. The trend for Seneca between 2020 and 2023 is downward by roughly 1.6%. Seneca is a small community in Illinois, with an estimated 2,311 residents, and every licensed lender here follows the same state rulebook. Every figure below is Illinois's own, applied to Seneca's 2,311 residents, with the publisher and retrieval date attached. Get pre-qualified with several lenders, then compare APR rather than the headline rate for a Seneca loan. The next larger city is Marseilles, IL about 4 miles away.
What the Census records for Seneca
Read the local figures below as context; read the sourced Illinois table as the rulebook a lender here must follow.
- Population: 2,311 residents; Seneca is the 453rd-largest of 1,294 places in Illinois (US Census Bureau, Vintage 2023).
- Population trend: The 2020-to-2023 change is negative, near 1.6%.
- Net change: roughly 37 fewer people than the 2020 Census counted.
- Size percentile: Seneca sits ahead of around 65% of Illinois places, at 2,311 people.
- Population density: about 372 people per square mile (Census land area 6.2 sq mi).
- By land area: Seneca ranks 213th among Illinois's 1,294 places, at 6.2 sq mi.
- Water area: Seneca has 0.37 square miles of water, ranking 68th of 1,294 places in Illinois.
- State population share: Seneca accounts for about 0.0% of everyone in Illinois.
- Nationally: Seneca is the 7,095th-largest of 19,457 Census places in the dataset.
- Growth rank: Seneca ranks 404th among Illinois's 1,294 places for the 2020-to-2023 change.
- State comparison: Illinois's places average -2.0% for 2020-to-2023, against Seneca's 1.6%.
- Density rank: Seneca places 1,073rd among Illinois's places by people per square mile.
- Density in context: Seneca's 372 people per square mile sit against a Illinois median of 993.
- Location: 41.3026 / -88.6147, per the US Census Bureau Gazetteer.
- Nearest larger cities: Marseilles (4 mi); Morris (11 mi); Ottawa (11 mi); Sheridan (16 mi); Streator (17 mi). Any of them may have more branches, but statewide rules and your credit still set the price.
- Smaller places close by: Kinsman (8 mi); Verona (8 mi); Ransom (10 mi).
- Smaller neighbours: 116 places smaller than Seneca sit within 50 miles.
- Larger places within 100 miles: 384.
How personal loans work in Seneca
Seneca is a small community of about 2,311 people, and the personal loans written here are mostly unsecured — no collateral, so the lender leans on your credit file. The APR tracks your credit score rather than Seneca's rank of 453rd in Illinois: a strong file may earn a single-digit rate, while damaged credit can push the rate far higher. Shortening the term on a Seneca loan raises the monthly payment but cuts the interest; lengthening it does the reverse.
Seneca: area, density and distance
Seneca's land area is about 6.2 square miles; a further 0.37 square miles is water. That land carries about 372 people per square mile. The state's population centre of gravity, Chicago, is roughly 61 miles away. Within 50 miles of Seneca there are 89 larger Census places. Within the same 50 miles lie 116 smaller Census places.
Seneca's place among Illinois's 1,294 places
Within Illinois, Seneca holds roughly 0.0% of all residents, the 453rd-largest share among 1,294 places. On the 2020-to-2023 trend, Seneca stands 404th among Illinois's 1,294 places — roughly the 69th percentile. By density, at about 372 people per square mile, it ranks 1,073rd in Illinois. The population moved by about 37 people between 2020 and 2023, a 1.6% shift.
Borrowing reach in Seneca
Seneca is a lightly settled community of about 2,311 people, with 89 larger places inside a 50-mile radius. Lenders licensed in Illinois reach Seneca's 2,311 residents online, so the nearest branch is not what sets your APR. For a larger market, the closest option is Marseilles, IL about 4 miles away.
What Illinois law requires in Seneca
Illinois has no separate rate rule for Seneca; the sourced rows below are what reach every lender that serves its 2,311 people.
| Rule | Detail | Source |
|---|---|---|
| State lending regulator | Illinois Department of Financial and Professional Regulation (IDFPR), Division of Financial Institutions Source says: "DFI licenses, charters, and examines a wide variety of financial products and services including: Consumer and Sales Finance and Collection Agencies". | Illinois Department of Financial and Professional Regulation as of 2026-09-16 |
| Installment lender net-worth requirement | $30,000 minimum positive net worth (plus $25,000 surety bond) Source says: "every applicant shall prove ... that the applicant has and will maintain a positive net worth of a minimum of $30,000". | Illinois General Assembly (Illinois Compiled Statutes) as of 2026-09-16 |
| Maximum legal interest rate (usury cap) | 9% annual percentage rate (general written-contract interest cap) Source says: "it shall be lawful for the parties to stipulate or agree that an annual percentage rate of 9%, or any less sum". | Illinois General Assembly (Illinois Compiled Statutes) as of 2026-09-16 |
Common questions
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Nearby places
- Marseilles, IL — population 4,773
- Kinsman, IL — population 90
- Verona, IL — population 210
- Ransom, IL — population 307
- Mazon, IL — population 980
- Morris, IL — population 14,508
- Ottawa, IL — population 18,752
- Grand Ridge, IL — population 510