# East Austin's average income tripled in ten years

Published 2026-11-07 · By Pushbuild · Data: [IRS Income by ZIP Code API – Tax Return Statistics 2011-2023](https://pushbuild.com/apis/irs-income-by-zip.html)

**Average AGI in Austin's 78721 rose from $29,359 in 2013 to $90,344 in 2023 (+208%), and in 78702 from $41,310 to $122,883.** Palm Beach (+315%) grew fastest among ZIPs with 2,000+ returns. The median ZIP grew 47%.

| ZIP | State | Avg AGI 2013 | Avg AGI 2023 | Growth |
| --- | --- | --- | --- | --- |
| 33480 | FL | $662,586 | $2,746,444 | +315% |
| 33154 | FL | $252,855 | $961,060 | +280% |
| 23141 | VA | $83,996 | $310,775 | +270% |
| 30329 | GA | $62,182 | $220,075 | +254% |
| 34102 | FL | $459,871 | $1,595,440 | +247% |
| 33483 | FL | $223,074 | $697,695 | +213% |
| 78721 | TX | $29,359 | $90,344 | +208% |
| 33462 | FL | $81,452 | $248,403 | +205% |
| 89012 | NV | $93,429 | $283,666 | +204% |
| 78702 | TX | $41,310 | $122,883 | +197% |
| 33316 | FL | $186,304 | $539,566 | +190% |
| 83001 | WY | $190,838 | $550,833 | +189% |
| 83340 | ID | $117,189 | $335,373 | +186% |
| 33605 | FL | $28,769 | $82,020 | +185% |
| 33401 | FL | $105,609 | $299,727 | +184% |

## Caveats

Average, not median: a few very high earners move it. A changing population, not raises, drives most of the growth in fast-changing neighborhoods. Not inflation-adjusted.

## Sources

- [IRS Statistics of Income, individual income tax ZIP code data](https://www.irs.gov/statistics/soi-tax-stats-individual-income-tax-statistics-zip-code-data-soi), read through the Pushbuild [IRS Income by ZIP Code API](https://pushbuild.com/apis/irs-income-by-zip.html) on 2026-11-07

Data as of 2026-11-07. Every figure in this post is in the table above and the CSV below.

Download the data behind this post: [b3-zip-fastest-avg-agi-growth-10y.csv](https://pushbuild.com/apis/analysis/data/b3-zip-fastest-avg-agi-growth-10y.csv)

## Get this data

Every number in this post comes from the [IRS Income by ZIP Code API – Tax Return Statistics 2011-2023](https://pushbuild.com/apis/irs-income-by-zip.html). $0.0008 per row returned; every key gets $1 of free usage each month.

```
curl -X POST https://api.pushbuild.com/irs-income-by-zip/run \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"zips": ["10001", "94105"], "maxItems": 20}'
```

[API docs and key](https://pushbuild.com/apis/irs-income-by-zip.html)[More analysis from this data](https://pushbuild.com/apis/analysis/api/irs-income-by-zip/)Embed this chart

Free to reuse with the credit link. Paste this HTML into your page, or use the [SVG file](https://pushbuild.com/apis/analysis/fastest-income-growth-zip-codes/chart.svg).

Want a table like this in Google Sheets, refreshed on demand? Free script: [copy a web table into Google Sheets](https://pushbuild.com/free/scripts/website-table-to-sheets/).

## Related analysis

-

People & income · 2026-11-07

### [The average tax return in Palm Beach 33480 reports $2.7 million](https://pushbuild.com/apis/analysis/highest-income-zip-codes-2023/)

ZIP 33480 (Palm Beach, Florida) had the highest average adjusted gross income in 2023: $2,746,444 across 5,900 returns, half of it from capital…

-

People & income · 2026-11-07

### [More than a quarter of Mississippi tax returns claim the Earned Income Tax Credit](https://pushbuild.com/apis/analysis/eitc-share-by-state/)

26.9% of Mississippi returns claimed the EITC in 2023, the highest share of any state; Louisiana was 24.2%, Georgia…

-

People & income · 2026-11-07

### [America's biggest move: 34,872 people from Los Angeles to San Bernardino](https://pushbuild.com/apis/analysis/largest-county-to-county-moves/)

The largest single county-to-county flow in 2022-23 was Los Angeles to San Bernardino, 34,872 people. Six of the top ten were within Texas metros,…

Header photo: [Serg Bataiev servika](https://commons.wikimedia.org/wiki/File:Suburban_neighborhood_(Unsplash).jpg), CC0, via Wikimedia Commons.

---
As of 2026-11-07. Source: https://pushbuild.com/apis/analysis/fastest-income-growth-zip-codes/