3-digit ZIP regional index
Home appreciation in ZIP codes 665xxManhattan, KS area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 665 changed +4.7% over the year to Q2 2026, compared with +3.8% for Kansas and +3.0% for the United States.
The region covers ZIP codes 66501–66554. Most of its 2010 population lived in Riley County (48%), Pottawatomie County (16%), Osage County (7%). Communities in the region include Wamego, Marysville, Osage City, St. Marys, Sabetha. This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- +4.7%
- 5-year change
- +38.9%
- Since Q1 1995
- +236%
- National rank (1 year)
- 300th
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 665 vs Kansas and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 665: 335.8
- Kansas: 347.0
- Manhattan, KS metro: 330.7
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 665 | KS | U.S. | Gap vs KS | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | +4.7% | +3.8% | +3.0% | +0.9 pts | +1.6 pts |
| 3 years | +16.9% | +15.6% | +12.9% | +1.3 pts | +4.0 pts |
| 5 years | +38.9% | +42.6% | +41.3% | −3.7 pts | −2.4 pts |
| 10 years | +64.6% | +89.8% | +93.3% | −25.2 pts | −28.7 pts |
| Since Q1 1995 | +236% | +247% | +292% | −11.2 pts | −55.8 pts |
If you bought in ZIP3 665 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 | +233% | $998,860 |
| Q2 2000 | +173% | $817,772 |
| Q2 2005 | +102% | $604,919 |
| Q2 2010 | +81.6% | $544,901 |
| Q2 2015 | +68.5% | $505,571 |
| Q2 2020 | +50.0% | $449,886 |
| Q2 2021 | +38.9% | $416,632 |
| Q2 2023 | +16.9% | $350,604 |
| Q2 2025 | +4.7% | $314,030 |
How ZIP3 665 ranks
Over the past year ZIP3 665 ranks 300th of 882 3-digit ZIP regions nationally and 3rd of 19 in Kansas. Its one-year change is +1.6 pts versus the nation and +0.9 pts versus Kansas. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Kansas |
|---|---|---|
| 1 year | 300th of 882 | 3rd of 19 |
| 3 years | 360th of 882 | 14th of 19 |
| 5 years | 629th of 882 | 17th of 19 |
| 10 years | 791st of 882 | 19th of 19 |
| Since Q1 1995 | 608th of 879 | 4th of 19 |
Boom, bust, and recovery in ZIP3 665
ZIP3 665's index peaked in Q3 2007, fell 5.1% to its low in Q2 2011, and regained its peak in Q3 2014, about 7 years after the top. Today it sits +73.9% 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 665 | Q3 2007 | Q2 2011 | -5.1% | Q3 2014 (7 yrs) | +73.9% |
| KS | Q1 2008 | Q2 2011 | -5.0% | Q3 2014 (6.5 yrs) | +102% |
| Metro | Q2 2007 | Q2 2011 | -6.3% | Q1 2015 (7.8 yrs) | +61.4% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 665's index has changed +51.6% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 665 after inflation | KS after inflation | Metro after inflation | U.S. after inflation |
|---|---|---|---|---|---|
| 1 year | +3.9% | +0.8% | -0.1% | +0.4% | -0.8% |
| 3 years | +9.8% | +6.4% | +5.3% | +4.5% | +2.8% |
| 5 years | +24.0% | +12.0% | +15.0% | +10.1% | +13.9% |
| 10 years | +39.1% | +18.4% | +36.5% | +11.3% | +39.0% |
| Since Q1 1995 | +121% | +51.6% | +56.7% | +49.4% | +76.8% |
Estimate appreciation for a home in ZIP3 665
Regional estimate
$493,871
- Estimated gain
- $193,871
- Index change
- +64.62%
- Start index
- 203.95
- End index
- 335.75
ZIP3 665 (Manhattan, KS 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 |
|---|---|---|---|---|
| 664 · Junction City, KS area | KS | +5.6% | +47.6% | +219% |
| 666 · Topeka, KS area | KS | +4.4% | +45.6% | +206% |
| 668 · Emporia, KS area | KS | +3.4% | +42.4% | +223% |
| 660 · Olathe, KS area | KS | +2.6% | +42.9% | +269% |
| 674 · Salina, KS area | KS | +2.9% | +37.2% | +206% |
| 669 · Concordia, KS area | KS | +3.4% | +42.4% | +223% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 335.75 |
| Q1 2026 | 336.70 |
| Q4 2025 | 331.50 |
| Q3 2025 | 332.65 |
| Q2 2025 | 320.75 |
| Q1 2025 | 321.01 |
| Q4 2024 | 320.55 |
| Q3 2024 | 315.52 |
| Q2 2024 | 310.49 |
| Q1 2024 | 304.82 |
| Q4 2023 | 302.26 |
| Q3 2023 | 293.16 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 665?
- Based on FHFA HPI® data for 3-digit ZIP region 665, the regional index changed +4.7% over the year to Q2 2026, +38.9% over five years, +64.6% over ten years, and +236% since Q1 1995.
- Is ZIP3 665 appreciating faster than Kansas and the U.S.?
- Over the past year the region's index +4.7% compares with +3.8% for Kansas and +3.0% for the U.S., a gap of +1.6 pts versus the nation. Over five years the gap versus the nation is −2.4 pts.
- Which ZIP codes are in 3-digit ZIP region 665?
- All ZIP codes that begin with 665. Census 2010 ZIP Code Tabulation Areas in this region run from 66501 to 66554 (43 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.