3-digit ZIP regional index
Home appreciation in ZIP codes 501xxMarshalltown, IA area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 501 changed +5.3% over the year to Q2 2026, compared with +3.2% for Iowa and +3.0% for the United States.
The region covers ZIP codes 50101–50174. Most of its 2010 population lived in Marshall County (20%), Polk County (18%), Warren County (13%). Communities in the region include Johnston, Indianola, Grinnell, Grimes, Knoxville. This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- +5.3%
- 5-year change
- +38.9%
- Since Q1 1995
- +208%
- National rank (1 year)
- 235th
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 501 vs Iowa and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 501: 308.5
- Iowa: 312.1
- Des Moines-West Des Moines, IA metro: 303.7
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 501 | IA | U.S. | Gap vs IA | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | +5.3% | +3.2% | +3.0% | +2.1 pts | +2.3 pts |
| 3 years | +13.1% | +13.1% | +12.9% | −0.1 pts | +0.2 pts |
| 5 years | +38.9% | +37.4% | +41.3% | +1.5 pts | −2.4 pts |
| 10 years | +72.2% | +70.6% | +93.3% | +1.6 pts | −21.1 pts |
| Since Q1 1995 | +208% | +212% | +292% | −3.6 pts | −83.1 pts |
If you bought in ZIP3 501 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 | +201% | $904,191 |
| Q2 2000 | +142% | $726,919 |
| Q2 2005 | +95.7% | $587,059 |
| Q2 2010 | +90.5% | $571,542 |
| Q2 2015 | +78.8% | $536,331 |
| Q2 2020 | +51.0% | $453,136 |
| Q2 2021 | +38.9% | $416,790 |
| Q2 2023 | +13.1% | $339,250 |
| Q2 2025 | +5.3% | $315,936 |
How ZIP3 501 ranks
Over the past year ZIP3 501 ranks 235th of 882 3-digit ZIP regions nationally and 3rd of 25 in Iowa. Its one-year change is +2.3 pts versus the nation and +2.1 pts versus Iowa. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Iowa |
|---|---|---|
| 1 year | 235th of 882 | 3rd of 25 |
| 3 years | 580th of 882 | 17th of 25 |
| 5 years | 617th of 882 | 13th of 25 |
| 10 years | 708th of 882 | 13th of 25 |
| Since Q1 1995 | 746th of 879 | 19th of 25 |
Boom, bust, and recovery in ZIP3 501
ZIP3 501's index peaked in Q1 2008, fell 5.0% to its low in Q1 2011, and regained its peak in Q3 2014, about 6.5 years after the top. Today it sits +83.5% 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 501 | Q1 2008 | Q1 2011 | -5.0% | Q3 2014 (6.5 yrs) | +83.5% |
| IA | Q1 2009 | Q2 2011 | -2.5% | Q4 2012 (3.8 yrs) | +86.4% |
| Metro | Q1 2008 | Q2 2011 | -6.9% | Q2 2015 (7.2 yrs) | +80.6% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 501's index has changed +39.3% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 501 after inflation | IA after inflation | Metro after inflation | U.S. after inflation |
|---|---|---|---|---|---|
| 1 year | +3.9% | +1.4% | -0.6% | -1.5% | -0.8% |
| 3 years | +9.8% | +3.0% | +3.0% | +0.8% | +2.8% |
| 5 years | +24.0% | +12.0% | +10.8% | +9.0% | +13.9% |
| 10 years | +39.1% | +23.8% | +22.7% | +22.0% | +39.0% |
| Since Q1 1995 | +121% | +39.3% | +40.9% | +37.2% | +76.8% |
Estimate appreciation for a home in ZIP3 501
Regional estimate
$516,717
- Estimated gain
- $216,717
- Index change
- +72.24%
- Start index
- 179.10
- End index
- 308.48
ZIP3 501 (Marshalltown, IA 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 |
|---|---|---|---|---|
| 502 · West Des Moines, IA area | IA | +1.8% | +38.0% | +209% |
| 503 · Des Moines, IA area | IA | +1.8% | +34.3% | +215% |
| 500 · Ames, IA area | IA | +2.4% | +34.1% | +197% |
| 525 · Ottumwa, IA area | IA | +3.1% | +39.6% | +239% |
| 508 · Creston, IA area | IA | +3.1% | +39.6% | +239% |
| 507 · Waterloo, IA area | IA | +1.9% | +35.1% | +242% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 308.48 |
| Q1 2026 | 299.28 |
| Q4 2025 | 299.93 |
| Q3 2025 | 300.14 |
| Q2 2025 | 292.92 |
| Q1 2025 | 286.56 |
| Q4 2024 | 291.25 |
| Q3 2024 | 292.10 |
| Q2 2024 | 284.32 |
| Q1 2024 | 279.70 |
| Q4 2023 | 275.21 |
| Q3 2023 | 284.07 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 501?
- Based on FHFA HPI® data for 3-digit ZIP region 501, the regional index changed +5.3% over the year to Q2 2026, +38.9% over five years, +72.2% over ten years, and +208% since Q1 1995.
- Is ZIP3 501 appreciating faster than Iowa and the U.S.?
- Over the past year the region's index +5.3% compares with +3.2% for Iowa and +3.0% for the U.S., a gap of +2.3 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 501?
- All ZIP codes that begin with 501. Census 2010 ZIP Code Tabulation Areas in this region run from 50101 to 50174 (65 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.