Personal loans in Round Lake, IL
Round Lake is a small town in Illinois, with an estimated 18,430 residents, and every licensed lender here follows the same state rulebook. By population, Round Lake sits at 133rd in Illinois, with an estimated 18,430 residents.
Borrowers who want a bigger city can look to Round Lake Beach, IL about 3 miles away. Population in Round Lake dropped about 1.6% over the three years from 2020 to 2023. Consumer lending that reaches Round Lake's 18,430 residents is governed by Illinois statute; no city ordinance changes it. Judge Round Lake offers on total cost, not on how quickly the money arrives.
What the Census records for Round Lake
Only a few things actually differ by place — population, area, location, and the Illinois rules a lender must follow — and they are below.
- Population: 18,430 — Round Lake ranks 133rd of 1,294 communities in Illinois (US Census Bureau, Vintage 2023).
- Population trend: The 2020-to-2023 change is negative, near 1.6%.
- Absolute change: 296 residents lost between 2020 and 2023.
- Size percentile: Round Lake's 18,430 people outrank roughly 90% of the places in Illinois.
- Density: the Census land area of 5.6 sq mi holds about 3,315 people per square mile.
- By land area: Round Lake ranks 231st among Illinois's 1,294 places, at 5.6 sq mi.
- Water area: Round Lake has 0.16 square miles of water, ranking 159th of 1,294 places in Illinois.
- State population share: Round Lake accounts for about 0.2% of everyone in Illinois.
- National rank: Round Lake sits 2,020th by population among the 19,457 places in this dataset.
- Growth rank: Round Lake's 2020-to-2023 change ranks 407th of 1,294 places in Illinois.
- State comparison: Illinois's places average -2.0% for 2020-to-2023, against Round Lake's 1.6%.
- Density rank: Round Lake is the 110th most densely settled place in Illinois.
- Against the state median: Round Lake runs about 3,315 residents per square mile, where the Illinois median is 993.
- Location: latitude 42.3432, longitude -88.1021 (Census Gazetteer).
- Nearest larger cities: Round Lake Beach (3 mi); Grayslake (4 mi); Mundelein (7 mi); Libertyville (8 mi); Gurnee (9 mi). Any of them may have more branches, but statewide rules and your credit still set the price.
- Smaller places close by: Round Lake Park (1 mi); Hainesville (2 mi); Round Lake Heights (3 mi).
- Within a 50-mile radius: 189 smaller Census places.
- Larger places within 100 miles: 153.
What is available to Round Lake borrowers
At roughly 3,315 people per square mile, Round Lake is fairly dense; 104 larger places lie within 50 miles. Lenders licensed in Illinois reach Round Lake's 18,430 residents online, so the nearest branch is not what sets your APR. For a larger market, the closest option is Round Lake Beach, IL about 3 miles away.
How a Round Lake personal loan is priced
In Round Lake, a small town of about 18,430, the amount is advanced up front and repaid in fixed installments; the city's size does not change the pricing. Because pricing is borrower-level, two people in Round Lake can be quoted different APRs on the same amount and term. Shortening the term on a Round Lake loan raises the monthly payment but cuts the interest; lengthening it does the reverse.
Which Illinois laws govern a loan in Round Lake
When Illinois does not publish a figure, the row links to the source instead of inventing a number; Round Lake is bound by the same rules.
| 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 |
| Payday lending status | Permitted under license; capped at 36% annual percentage rate (payday loans) Source says: "shall not contract for or receive a charge exceeding a 36% annual percentage rate ... for a payday loan". | Illinois General Assembly (Illinois Compiled Statutes) as of 2026-09-16 |
| Small-loan / installment lender licensing | Consumer Installment Loan Act license required from the Director of Financial Institutions (loans above 9% APR) Source says: "No person ... shall engage in the business of making loans of money ... except ... after first obtaining a license from the Director of Financial Institutions". | Illinois General Assembly (Illinois Compiled Statutes) as of 2026-09-16 |
Round Lake on the map
Round Lake's land area is about 5.6 square miles; a further 0.16 square miles is water. Spread across it are roughly 3,315 residents per square mile. The largest place in Illinois, Chicago, lies about 41 miles away. A 50-mile radius around Round Lake takes in 104 places that are larger. By land area it ranks 231st of 1,294 Illinois places.
How Round Lake compares across Illinois
Within Illinois, Round Lake holds roughly 0.2% of all residents, the 133rd-largest share among 1,294 places. For population change between 2020 and 2023, Round Lake ranks 407th of 1,294 in Illinois (about the 69th percentile). By density, at about 3,315 people per square mile, it ranks 110th in Illinois. In land area, Round Lake ranks 231st among Illinois's 1,294 places.
Common questions
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Nearby places
- Round Lake Park, IL — population 7,724
- Hainesville, IL — population 3,489
- Round Lake Heights, IL — population 2,575
- Round Lake Beach, IL — population 26,783
- Volo, IL — population 7,016
- Grayslake, IL — population 20,954
- Wauconda, IL — population 13,891
- Lake Villa, IL — population 8,625