State ranking · Q2 2026
Fastest-appreciating ZIP codes in Illinois
Over the year to Q2 2026, the fastest-appreciating of Illinois's 29 3-digit ZIP regions was ZIP3 624 (Effingham, IL area) at +13.4%, based on FHFA HPI® data. 15 of 29 regions outpaced the statewide change of +6.0%; the U.S. changed +3.0%.
Ranked by 1-year change
Top 10 by 5-year change
| # | 3-digit ZIP region | 5 years | 1 year |
|---|---|---|---|
| 1 | 611 · Rockford, IL area | +70.1% | +10.0% |
| 2 | 610 · Freeport, IL area | +52.9% | +6.0% |
| 3 | 617 · Bloomington, IL area | +51.3% | +7.9% |
| 4 | 601 · Elgin, IL area | +49.8% | +6.8% |
| 5 | 600 · Waukegan, IL area | +49.5% | +5.6% |
| 6 | 618 · Champaign, IL area | +49.4% | +7.4% |
| 7 | 622 · Belleville, IL area | +48.6% | +6.3% |
| 8 | 616 · Peoria, IL area | +48.1% | +5.7% |
| 9 | 624 · Effingham, IL area | +48.0% | +13.4% |
| 10 | 605 · Aurora, IL area | +47.8% | +4.7% |
Top 10 by 10-year change
| # | 3-digit ZIP region | 10 years | 1 year |
|---|---|---|---|
| 1 | 611 · Rockford, IL area | +122% | +10.0% |
| 2 | 608 · Cicero, IL area | +93.0% | +5.0% |
| 3 | 610 · Freeport, IL area | +90.2% | +6.0% |
| 4 | 601 · Elgin, IL area | +83.3% | +6.8% |
| 5 | 604 · Joliet, IL area | +83.1% | +5.5% |
| 6 | 609 · Kankakee, IL area | +81.6% | +4.5% |
| 7 | 622 · Belleville, IL area | +79.0% | +6.3% |
| 8 | 605 · Aurora, IL area | +76.6% | +4.7% |
| 9 | 618 · Champaign, IL area | +76.0% | +7.4% |
| 10 | 620 · Granite City, IL area | +75.7% | +8.3% |
Top 10 by change since Q1 1995
| # | 3-digit ZIP region | Since Q1 1995 | 1 year |
|---|---|---|---|
| 1 | 603 · Oak Park, IL area | +291% | +8.7% |
| 2 | 606 · Chicago, IL area | +270% | +7.0% |
| 3 | 602 · Evanston, IL area | +260% | +11.4% |
| 4 | 624 · Effingham, IL area | +220% | +13.4% |
| 5 | 618 · Champaign, IL area | +201% | +7.4% |
| 6 | 620 · Granite City, IL area | +201% | +8.3% |
| 7 | 605 · Aurora, IL area | +200% | +4.7% |
| 8 | 607 · Niles, IL area | +199% | +7.8% |
| 9 | 612 · Moline, IL area | +186% | +4.1% |
| 10 | 601 · Elgin, IL area | +185% | +6.8% |
Frequently asked questions
- What is the fastest-appreciating ZIP code area in Illinois?
- Over the past year, ZIP3 624 (Effingham, IL area) led Illinois at +13.4%. Over five years the leader was ZIP3 611 (Rockford, IL area) at +70.1%, and since Q1 1995 it was ZIP3 603 (Oak Park, IL area) at +291%.
- Why are rankings by 3-digit ZIP and not 5-digit ZIP?
- FHFA publishes its quarterly ZIP-level index for 3-digit ZIP regions, which group all ZIP codes sharing the same first three digits. Each region covers many communities, so results describe broad regional trends rather than any one neighborhood or home.