3-digit ZIP regional index
Home appreciation in ZIP codes 166xxAltoona, PA area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 166 changed +8.1% over the year to Q2 2026, compared with +4.7% for Pennsylvania and +3.0% for the United States.
The region covers ZIP codes 16601–16699. Most of its 2010 population lived in Blair County (61%), Huntingdon County (14%), Cambria County (10%). Communities in the region include Huntingdon, Hollidaysburg, Tyrone, Roaring Spring, Greenwood. This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- +8.1%
- 5-year change
- +38.0%
- Since Q1 1995
- +205%
- National rank (1 year)
- 43rd
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 166 vs Pennsylvania and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 166: 304.5
- Pennsylvania: 355.6
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 166 | PA | U.S. | Gap vs PA | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | +8.1% | +4.7% | +3.0% | +3.4 pts | +5.0 pts |
| 3 years | +18.0% | +18.1% | +12.9% | −0.1 pts | +5.1 pts |
| 5 years | +38.0% | +44.2% | +41.3% | −6.2 pts | −3.3 pts |
| 10 years | +63.1% | +86.9% | +93.3% | −23.8 pts | −30.2 pts |
| Since Q1 1995 | +205% | +256% | +292% | −51.1 pts | −87.0 pts |
If you bought in ZIP3 166 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 | +214% | $942,300 |
| Q2 2000 | +159% | $776,375 |
| Q2 2005 | +103% | $609,243 |
| Q2 2010 | +80.9% | $542,623 |
| Q2 2015 | +69.4% | $508,324 |
| Q2 2020 | +48.1% | $444,403 |
| Q2 2021 | +38.0% | $414,013 |
| Q2 2023 | +18.0% | $353,928 |
| Q2 2025 | +8.1% | $324,210 |
How ZIP3 166 ranks
Over the past year ZIP3 166 ranks 43rd of 882 3-digit ZIP regions nationally and 3rd of 46 in Pennsylvania. Its one-year change is +5.0 pts versus the nation and +3.4 pts versus Pennsylvania. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Pennsylvania |
|---|---|---|
| 1 year | 43rd of 882 | 3rd of 46 |
| 3 years | 300th of 882 | 32nd of 46 |
| 5 years | 660th of 882 | 39th of 46 |
| 10 years | 800th of 882 | 45th of 46 |
| Since Q1 1995 | 764th of 879 | 43rd of 46 |
Boom, bust, and recovery in ZIP3 166
ZIP3 166's index peaked in Q2 2009, fell 4.0% to its low in Q3 2009, and regained its peak in Q2 2011, about 2 years after the top. Today it sits +75.5% 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 166 | Q2 2009 | Q3 2009 | -4.0% | Q2 2011 (2 yrs) | +75.5% |
| PA | Q1 2008 | Q2 2012 | -9.4% | Q2 2017 (9.2 yrs) | +83.0% |
| Metro | Q2 2009 | Q3 2009 | -4.0% | Q2 2011 (2 yrs) | +75.5% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 166's index has changed +37.5% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 166 after inflation | PA after inflation | Metro after inflation | U.S. after inflation |
|---|---|---|---|---|---|
| 1 year | +3.9% | +4.0% | +0.8% | +4.0% | -0.8% |
| 3 years | +9.8% | +7.4% | +7.5% | +7.4% | +2.8% |
| 5 years | +24.0% | +11.3% | +16.3% | +11.3% | +13.9% |
| 10 years | +39.1% | +17.3% | +34.4% | +17.3% | +39.0% |
| Since Q1 1995 | +121% | +37.5% | +60.6% | +37.5% | +76.8% |
Estimate appreciation for a home in ZIP3 166
Regional estimate
$489,346
- Estimated gain
- $189,346
- Index change
- +63.12%
- Start index
- 186.69
- End index
- 304.52
ZIP3 166 (Altoona, PA area), Q2 2016 to Q2 2026. Index type: MSA/MSAD Index.
Nearby 3-digit ZIP regions
| 3-digit ZIP region | State | 1 year | 5 years | Since Q1 1995 |
|---|---|---|---|---|
| 159 · Johnstown, PA area | PA | +6.1% | +46.7% | +183% |
| 168 · State College, PA area | PA | +2.2% | +39.6% | +253% |
| 157 · Indiana, PA area | PA | +5.7% | +50.5% | +248% |
| 155 · Somerset, PA area | PA | +5.7% | +50.5% | +248% |
| 172 · Chambersburg, PA area | PA | +3.7% | +43.8% | +222% |
| 158 · St. Marys, PA area | PA | +5.7% | +50.5% | +248% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 304.52 |
| Q1 2026 | 288.48 |
| Q4 2025 | 295.58 |
| Q3 2025 | 288.85 |
| Q2 2025 | 281.78 |
| Q1 2025 | 281.42 |
| Q4 2024 | 291.33 |
| Q3 2024 | 276.41 |
| Q2 2024 | 265.38 |
| Q1 2024 | 256.66 |
| Q4 2023 | 265.61 |
| Q3 2023 | 260.20 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 166?
- Based on FHFA HPI® data for 3-digit ZIP region 166, the regional index changed +8.1% over the year to Q2 2026, +38.0% over five years, +63.1% over ten years, and +205% since Q1 1995.
- Is ZIP3 166 appreciating faster than Pennsylvania and the U.S.?
- Over the past year the region's index +8.1% compares with +4.7% for Pennsylvania and +3.0% for the U.S., a gap of +5.0 pts versus the nation. Over five years the gap versus the nation is −3.3 pts.
- Which ZIP codes are in 3-digit ZIP region 166?
- All ZIP codes that begin with 166. Census 2010 ZIP Code Tabulation Areas in this region run from 16601 to 16699 (64 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.