3-digit ZIP regional index
Home appreciation in ZIP codes 620xxGranite City, IL area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 620 changed +8.3% over the year to Q2 2026, compared with +6.0% for Illinois and +3.0% for the United States.
The region covers ZIP codes 62001–62098. Most of its 2010 population lived in Madison County (67%), Montgomery County (9%), Macoupin County (9%). Communities in the region include Alton, Edwardsville, Godfrey, Glen Carbon, Wood River. This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- +8.3%
- 5-year change
- +45.0%
- Since Q1 1995
- +201%
- National rank (1 year)
- 39th
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 620 vs Illinois and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 620: 300.5
- Illinois: 283.5
- St. Louis, MO-IL metro: 323.5
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 620 | IL | U.S. | Gap vs IL | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | +8.3% | +6.0% | +3.0% | +2.4 pts | +5.3 pts |
| 3 years | +20.6% | +21.8% | +12.9% | −1.2 pts | +7.7 pts |
| 5 years | +45.0% | +46.9% | +41.3% | −1.9 pts | +3.7 pts |
| 10 years | +75.7% | +75.6% | +93.3% | +0.1 pts | −17.6 pts |
| Since Q1 1995 | +201% | +184% | +292% | +17.0 pts | −91.0 pts |
If you bought in ZIP3 620 in…
Applying the regional index change from the same quarter of each year to Q2 2026 to an example $300,000 purchase price. Individual homes can differ widely from the regional average.
| Bought in | Index change | $300,000 then, at the regional rate |
|---|---|---|
| Q2 1995 | +194% | $882,239 |
| Q2 2000 | +143% | $728,828 |
| Q2 2005 | +84.2% | $552,664 |
| Q2 2010 | +77.9% | $533,720 |
| Q2 2015 | +75.3% | $525,967 |
| Q2 2020 | +57.6% | $472,689 |
| Q2 2021 | +45.0% | $434,906 |
| Q2 2023 | +20.6% | $361,724 |
| Q2 2025 | +8.4% | $325,062 |
How ZIP3 620 ranks
Over the past year ZIP3 620 ranks 39th of 882 3-digit ZIP regions nationally and 5th of 29 in Illinois. Its one-year change is +5.3 pts versus the nation and +2.4 pts versus Illinois. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Illinois |
|---|---|---|
| 1 year | 39th of 882 | 5th of 29 |
| 3 years | 177th of 882 | 18th of 29 |
| 5 years | 434th of 882 | 16th of 29 |
| 10 years | 659th of 882 | 10th of 29 |
| Since Q1 1995 | 785th of 879 | 6th of 29 |
Boom, bust, and recovery in ZIP3 620
ZIP3 620's index peaked in Q2 2008, fell 7.0% to its low in Q4 2014, and regained its peak in Q4 2017, about 9.5 years after the top. Today it sits +69.8% versus that 2000s peak. How every state and ZIP region fared
| Area | 2000s peak | Low point | Peak to low | Back to peak | Today vs peak |
|---|---|---|---|---|---|
| ZIP3 620 | Q2 2008 | Q4 2014 | -7.0% | Q4 2017 (9.5 yrs) | +69.8% |
| IL | Q1 2007 | Q2 2012 | -21.8% | Q2 2021 (14.2 yrs) | +51.8% |
| Metro | Q2 2007 | Q4 2013 | -12.7% | Q3 2017 (10.2 yrs) | +73.6% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 620's index has changed +35.7% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 620 after inflation | IL after inflation | Metro after inflation | U.S. after inflation |
|---|---|---|---|---|---|
| 1 year | +3.9% | +4.3% | +2.0% | +0.3% | -0.8% |
| 3 years | +9.8% | +9.8% | +10.9% | +5.1% | +2.8% |
| 5 years | +24.0% | +16.9% | +18.4% | +13.3% | +13.9% |
| 10 years | +39.1% | +26.4% | +26.3% | +30.8% | +39.0% |
| Since Q1 1995 | +121% | +35.7% | +28.0% | +46.1% | +76.8% |
Estimate appreciation for a home in ZIP3 620
Regional estimate
$527,228
- Estimated gain
- $227,228
- Index change
- +75.74%
- Start index
- 171.00
- End index
- 300.52
ZIP3 620 (Granite City, IL area), Q2 2016 to Q2 2026. Index type: Native 3-Digit ZIP index.
Nearby 3-digit ZIP regions
| 3-digit ZIP region | State | 1 year | 5 years | Since Q1 1995 |
|---|---|---|---|---|
| 631 · St. Louis, MO area | MO | +2.8% | +35.3% | +251% |
| 622 · Belleville, IL area | IL | +6.3% | +48.6% | +183% |
| 630 · Florissant, MO area | MO | +4.2% | +44.4% | +212% |
| 633 · O'Fallon, MO area | MO | +3.5% | +44.7% | +252% |
| 627 · Springfield, IL area | IL | +4.8% | +42.2% | +126% |
| 626 · Jacksonville, IL area | IL | +7.0% | +40.6% | +150% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 300.52 |
| Q1 2026 | 288.06 |
| Q4 2025 | 285.15 |
| Q3 2025 | 291.84 |
| Q2 2025 | 277.35 |
| Q1 2025 | 278.49 |
| Q4 2024 | 272.78 |
| Q3 2024 | 272.01 |
| Q2 2024 | 260.59 |
| Q1 2024 | 253.80 |
| Q4 2023 | 256.09 |
| Q3 2023 | 255.53 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 620?
- Based on FHFA HPI® data for 3-digit ZIP region 620, the regional index changed +8.3% over the year to Q2 2026, +45.0% over five years, +75.7% over ten years, and +201% since Q1 1995.
- Is ZIP3 620 appreciating faster than Illinois and the U.S.?
- Over the past year the region's index +8.3% compares with +6.0% for Illinois and +3.0% for the U.S., a gap of +5.3 pts versus the nation. Over five years the gap versus the nation is +3.7 pts.
- Which ZIP codes are in 3-digit ZIP region 620?
- All ZIP codes that begin with 620. Census 2010 ZIP Code Tabulation Areas in this region run from 62001 to 62098 (76 areas). FHFA publishes one index for the whole 3-digit region, not for each 5-digit ZIP code.
- Can I use this to value my home?
- No. The FHFA HPI® is a broad regional index of average price movement. It is not an appraisal, tax assessment, or automated valuation of any individual property. Use it as general context alongside local sales and a professional opinion.