3-digit ZIP regional index
Home appreciation in ZIP codes 512xxSioux Center, IA area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 512 changed +3.1% over the year to Q2 2026, compared with +3.2% for Iowa and +3.0% for the United States.
The region covers ZIP codes 51201–51250. Most of its 2010 population lived in Sioux County (44%), Lyon County (26%), O'Brien County (20%). Communities in the region include Sheldon, Rock Valley, Sibley, Rock Rapids, Hull. This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- +3.1%
- 5-year change
- +39.6%
- Since Q1 1995
- +239%
- National rank (1 year)
- 525th
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 512 vs Iowa and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 512: 338.9
- Iowa: 312.1
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 512 | IA | U.S. | Gap vs IA | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | +3.1% | +3.2% | +3.0% | −0.1 pts | +0.1 pts |
| 3 years | +15.2% | +13.1% | +12.9% | +2.1 pts | +2.3 pts |
| 5 years | +39.6% | +37.4% | +41.3% | +2.1 pts | −1.7 pts |
| 10 years | +74.3% | +70.6% | +93.3% | +3.7 pts | −19.1 pts |
| Since Q1 1995 | +239% | +212% | +292% | +26.9 pts | −52.6 pts |
If you bought in ZIP3 512 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 | +234% | $1,002,821 |
| Q2 2000 | +163% | $789,471 |
| Q2 2005 | +113% | $638,548 |
| Q2 2010 | +95.8% | $587,451 |
| Q2 2015 | +78.3% | $534,940 |
| Q2 2020 | +51.6% | $454,723 |
| Q2 2021 | +39.6% | $418,747 |
| Q2 2023 | +15.2% | $345,602 |
| Q2 2025 | +3.1% | $309,394 |
How ZIP3 512 ranks
Over the past year ZIP3 512 ranks 525th of 882 3-digit ZIP regions nationally and 11th of 25 in Iowa. Its one-year change is +0.1 pts versus the nation and −0.1 pts versus Iowa. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Iowa |
|---|---|---|
| 1 year | 525th of 882 | 11th of 25 |
| 3 years | 443rd of 882 | 6th of 25 |
| 5 years | 595th of 882 | 5th of 25 |
| 10 years | 678th of 882 | 5th of 25 |
| Since Q1 1995 | 575th of 879 | 7th of 25 |
Boom, bust, and recovery in ZIP3 512
ZIP3 512's index peaked in Q1 2009, fell 2.0% to its low in Q1 2010, and regained its peak in Q4 2011, about 2.8 years after the top. Today it sits +93.2% 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 512 | Q1 2009 | Q1 2010 | -2.0% | Q4 2011 (2.8 yrs) | +93.2% |
| IA | Q1 2009 | Q2 2011 | -2.5% | Q4 2012 (3.8 yrs) | +86.4% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 512's index has changed +53.1% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 512 after inflation | IA after inflation | U.S. after inflation |
|---|---|---|---|---|
| 1 year | +3.9% | -0.7% | -0.6% | -0.8% |
| 3 years | +9.8% | +4.9% | +3.0% | +2.8% |
| 5 years | +24.0% | +12.5% | +10.8% | +13.9% |
| 10 years | +39.1% | +25.3% | +22.7% | +39.0% |
| Since Q1 1995 | +121% | +53.1% | +40.9% | +76.8% |
Estimate appreciation for a home in ZIP3 512
Regional estimate
$522,783
- Estimated gain
- $222,783
- Index change
- +74.26%
- Start index
- 194.49
- End index
- 338.92
ZIP3 512 (Sioux Center, IA area), Q2 2016 to Q2 2026. Index type: Balance of State.
Nearby 3-digit ZIP regions
| 3-digit ZIP region | State | 1 year | 5 years | Since Q1 1995 |
|---|---|---|---|---|
| 571 · Sioux Falls, SD area | SD | +2.5% | +35.2% | +248% |
| 510 · Le Mars, IA area | IA | +3.2% | +38.3% | +253% |
| 570 · Brookings, SD area | SD | +2.3% | +40.4% | +300% |
| 561 · Worthington, MN area | MN | +3.8% | +42.5% | +286% |
| 513 · Spencer, IA area | IA | +3.1% | +39.6% | +239% |
| 511 · Sioux City, IA area | IA | -0.0% | +40.3% | +225% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 338.92 |
| Q1 2026 | 338.10 |
| Q4 2025 | 335.17 |
| Q3 2025 | 332.83 |
| Q2 2025 | 328.63 |
| Q1 2025 | 326.29 |
| Q4 2024 | 317.59 |
| Q3 2024 | 318.00 |
| Q2 2024 | 311.84 |
| Q1 2024 | 306.29 |
| Q4 2023 | 302.75 |
| Q3 2023 | 301.06 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 512?
- Based on FHFA HPI® data for 3-digit ZIP region 512, the regional index changed +3.1% over the year to Q2 2026, +39.6% over five years, +74.3% over ten years, and +239% since Q1 1995.
- Is ZIP3 512 appreciating faster than Iowa and the U.S.?
- Over the past year the region's index +3.1% compares with +3.2% for Iowa and +3.0% for the U.S., a gap of +0.1 pts versus the nation. Over five years the gap versus the nation is −1.7 pts.
- Which ZIP codes are in 3-digit ZIP region 512?
- All ZIP codes that begin with 512. Census 2010 ZIP Code Tabulation Areas in this region run from 51201 to 51250 (20 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.