3-digit ZIP regional index
Home appreciation in ZIP codes 511xxSioux City, IA area
FHFA HPI® data shows the regional home price index for ZIP codes beginning with 511 changed -0.0% over the year to Q2 2026, compared with +3.2% for Iowa and +3.0% for the United States.
The region covers ZIP codes 51101–51111. Most of its 2010 population lived in Woodbury County (98%). This is a regional index, not a ZIP5, street, or individual-home estimate.
- 1-year change
- -0.0%
- 5-year change
- +40.3%
- Since Q1 1995
- +225%
- National rank (1 year)
- 820th
Year to Q2 2026
vs U.S. +41.3%
vs U.S. +292%
of 882 ZIP3 regions
ZIP3 511 vs Iowa and the U.S.
FHFA HPI® all-transactions index, rebased so Q1 1995 = 100, through Q2 2026
- ZIP3 511: 324.8
- Iowa: 312.1
- Sioux City, IA-NE-SD metro: 329.4
- United States: 391.6
Want a different starting year? Rebase this chart or compare with another ZIP3.
Appreciation by time window
| Window | ZIP3 511 | IA | U.S. | Gap vs IA | Gap vs U.S. |
|---|---|---|---|---|---|
| 1 year | -0.0% | +3.2% | +3.0% | −3.3 pts | −3.1 pts |
| 3 years | +15.5% | +13.1% | +12.9% | +2.4 pts | +2.6 pts |
| 5 years | +40.3% | +37.4% | +41.3% | +2.9 pts | −0.9 pts |
| 10 years | +83.8% | +70.6% | +93.3% | +13.2 pts | −9.6 pts |
| Since Q1 1995 | +225% | +212% | +292% | +12.7 pts | −66.8 pts |
If you bought in ZIP3 511 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 | +223% | $967,700 |
| Q2 2000 | +165% | $795,590 |
| Q2 2005 | +140% | $720,675 |
| Q2 2010 | +120% | $659,322 |
| Q2 2015 | +98.7% | $596,072 |
| Q2 2020 | +54.6% | $463,921 |
| Q2 2021 | +40.3% | $421,019 |
| Q2 2023 | +15.5% | $346,509 |
| Q2 2025 | -0.0% | $299,917 |
How ZIP3 511 ranks
Over the past year ZIP3 511 ranks 820th of 882 3-digit ZIP regions nationally and 24th of 25 in Iowa. Its one-year change is −3.1 pts versus the nation and −3.3 pts versus Iowa. Rank 1 is the strongest appreciation.
| Window | National rank | Rank in Iowa |
|---|---|---|
| 1 year | 820th of 882 | 24th of 25 |
| 3 years | 422nd of 882 | 4th of 25 |
| 5 years | 574th of 882 | 3rd of 25 |
| 10 years | 558th of 882 | 2nd of 25 |
| Since Q1 1995 | 661st of 879 | 14th of 25 |
Boom, bust, and recovery in ZIP3 511
ZIP3 511's index peaked in Q3 2009, fell 2.5% to its low in Q2 2011, and regained its peak in Q3 2011, about 2 years after the top. Today it sits +118% 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 511 | Q3 2009 | Q2 2011 | -2.5% | Q3 2011 (2 yrs) | +118% |
| IA | Q1 2009 | Q2 2011 | -2.5% | Q4 2012 (3.8 yrs) | +86.4% |
| Metro | Q3 2009 | Q2 2011 | -2.0% | Q3 2011 (2 yrs) | +114% |
| U.S. | Q1 2007 | Q2 2012 | -19.0% | Q4 2016 (9.8 yrs) | +89.3% |
Appreciation after inflation
Adjusting for consumer price inflation, ZIP3 511's index has changed +46.7% in real terms since Q1 1995. Home prices vs inflation
| Window | Inflation (CPI-U) | ZIP3 511 after inflation | IA after inflation | Metro after inflation | U.S. after inflation |
|---|---|---|---|---|---|
| 1 year | +3.9% | -3.8% | -0.6% | -4.8% | -0.8% |
| 3 years | +9.8% | +5.2% | +3.0% | +4.2% | +2.8% |
| 5 years | +24.0% | +13.2% | +10.8% | +12.6% | +13.9% |
| 10 years | +39.1% | +32.1% | +22.7% | +30.8% | +39.0% |
| Since Q1 1995 | +121% | +46.7% | +40.9% | +48.8% | +76.8% |
Estimate appreciation for a home in ZIP3 511
Regional estimate
$551,282
- Estimated gain
- $251,282
- Index change
- +83.76%
- Start index
- 176.73
- End index
- 324.76
ZIP3 511 (Sioux City, 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 |
|---|---|---|---|---|
| 510 · Le Mars, IA area | IA | +3.2% | +38.3% | +253% |
| 512 · Sioux Center, IA area | IA | +3.1% | +39.6% | +239% |
| 687 · Norfolk, NE area | NE | +3.9% | +40.4% | +262% |
| 514 · Carroll, IA area | IA | +3.1% | +39.6% | +239% |
| 571 · Sioux Falls, SD area | SD | +2.5% | +35.2% | +248% |
| 570 · Brookings, SD area | SD | +2.3% | +40.4% | +300% |
Recent quarterly index values
| Period | Index |
|---|---|
| Q2 2026 | 324.76 |
| Q1 2026 | 320.02 |
| Q4 2025 | 327.34 |
| Q3 2025 | 321.56 |
| Q2 2025 | 324.85 |
| Q1 2025 | 311.39 |
| Q4 2024 | 308.52 |
| Q3 2024 | 307.48 |
| Q2 2024 | 316.63 |
| Q1 2024 | 294.19 |
| Q4 2023 | 300.77 |
| Q3 2023 | 300.01 |
Frequently asked questions
- How much have home prices risen in ZIP codes starting with 511?
- Based on FHFA HPI® data for 3-digit ZIP region 511, the regional index changed -0.0% over the year to Q2 2026, +40.3% over five years, +83.8% over ten years, and +225% since Q1 1995.
- Is ZIP3 511 appreciating faster than Iowa and the U.S.?
- Over the past year the region's index -0.0% compares with +3.2% for Iowa and +3.0% for the U.S., a gap of −3.1 pts versus the nation. Over five years the gap versus the nation is −0.9 pts.
- Which ZIP codes are in 3-digit ZIP region 511?
- All ZIP codes that begin with 511. Census 2010 ZIP Code Tabulation Areas in this region run from 51101 to 51111 (8 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.