Personal loans in Deerfield, IL
With 18,884 residents, Deerfield outranks about 90% of the communities in Illinois. With roughly 18,884 residents, Deerfield is a small town, and the lending rules its borrowers live under are written in Illinois, not by the city. Work out your debt-to-income ratio first; lenders weigh it heavily, and Deerfield's 18,884 residents are no exception. A single loan can carry different costs on either side of a state line, and Deerfield sits on the Illinois side of that line. From the 2020 Census base to the 2023 estimate, the population declined by about 1.6%. For a bigger market, look to Highland Park, IL about 2 miles away.
What the Census records for Deerfield
Set out below is Deerfield's local context next to the state-level rules that reach every lender here.
- Population: about 18,884 people live here, which puts Deerfield 128th of 1,294 Census places in Illinois (Vintage 2023).
- Population trend: A decline of about 1.6% across the 2020-to-2023 comparison.
- Net change: roughly 306 fewer people than the 2020 Census counted.
- Size percentile: Deerfield's 18,884 people outrank roughly 90% of the places in Illinois.
- Land and density: 5.5 square miles of land carry roughly 3,409 residents per square mile.
- Land area rank: Deerfield's 5.5 square miles rank 233rd of 1,294 places in Illinois.
- Water area: Deerfield has 0.02 square miles of water, ranking 399th of 1,294 places in Illinois.
- Share of Illinois: Deerfield holds about 0.2% of the state's population, some 18,884 people.
- National rank: Deerfield is 1,984th of 19,457 places nationwide.
- Growth rank: Deerfield ranks 417th 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 Deerfield's 1.6%.
- Density rank: Deerfield is the 103rd most densely settled place in Illinois.
- Against the state median: Deerfield runs about 3,409 residents per square mile, where the Illinois median is 993.
- Location: 42.1661 / -87.8525, per the US Census Bureau Gazetteer.
- Nearest larger cities: Highland Park (2 mi); Northbrook (3 mi); Wheeling (4 mi); Lake Forest (5 mi); Buffalo Grove (6 mi). A branch is convenient; it is not what sets your APR.
- Nearest smaller towns: Bannockburn (2 mi); Riverwoods (2 mi); Highwood (3 mi).
- Smaller places within 50 miles: 194 of them.
- At 100 miles: 147 larger Census places fall inside that radius.
Getting a loan in Deerfield
Deerfield is fairly dense, with about 3,409 people per square mile and 110 larger places within 50 miles. Distance to a branch rarely matters for Deerfield's 18,884 residents: the application is online and the price follows your credit file. The nearest bigger place is Highland Park, IL about 2 miles away.
Deerfield in state context
Set beside Illinois's 1,294 places, Deerfield ranks 128th by population and holds about 0.2% of the state total. Its 2020-to-2023 change ranks 417th of 1,294 Illinois places, putting it near the 68th percentile for growth. At about 3,409 people per square mile, Deerfield is the 103rd most densely settled place in Illinois. Between 2020 and 2023 the count changed by roughly 306 residents.
Where Deerfield sits
Inside Deerfield's boundaries lie roughly 5.5 square miles of land and 0.02 square miles of water. The resulting density is about 3,409 people per square mile. The largest place in Illinois, Chicago, lies about 24 miles away. Counting outward 50 miles, 110 larger communities surround Deerfield. The 100-mile radius contains 147 larger places.
Which Illinois laws govern a loan in Deerfield
When Illinois does not publish a figure, the row links to the source instead of inventing a number; Deerfield 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 |
| 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 |
| 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 |
How a Deerfield personal loan is priced
With roughly 18,884 residents, Deerfield is a small town; its personal loans are typically unsecured, priced from your credit rather than the city's size. A lender serving Deerfield's 18,884 residents must disclose the APR and finance charge in writing before you sign. A longer term lowers the monthly payment on a Deerfield loan but raises total interest, so the smallest payment is not the cheapest loan.
Common questions
What are my options in Deerfield if my credit is poor?
What loan size can I expect in Deerfield?
Do I have to pledge anything to borrow in Deerfield?
Does comparing loans in Deerfield cost me credit score points?
Nearby places
- Bannockburn, IL — population 1,005
- Northbrook, IL — population 33,977
- Riverwoods, IL — population 3,737
- Highland Park, IL — population 30,272
- Highwood, IL — population 5,304
- Lake Forest, IL — population 19,354
- Lincolnshire, IL — population 7,912
- Wheeling, IL — population 37,725