91789 — Walnut, CA
Plumbing Market Targeting Score
ZIP 91789 is a strongly owner-occupied area (82% owner occupancy) with a median household income of $126K and a median home value of $975K — earning a high Plumbing targeting score of 87/100. The high single-family detached share (87%) is a strong demand driver.
Census Demographics — ZIP 91789
| Demographic Signal | Value |
|---|---|
| City | Walnut |
| State | CA |
| Total Population | 40,298 |
| Total Households | 12,681 |
| Median Household Income | $126K |
| Owner-Occupied Households | 10,410 |
| Owner Occupancy Rate | 82% |
| Median Home Value | $975K |
| Single-Family Detached Share | 87% |
| Median Resident Age | 46 years |
| Median Year Built(ACS B25035) | 1982 |
| Built Before 1980(older stock) | 88% |
| Built 1980–1999 | 10% |
| Built 2000 or Later(newer stock) | 2% |
| Source: 2024 ACS 5-Year | |
Comparable ZIPs in Los Angeles
Frequently Asked Questions
Why does ZIP 91789 score 87/100 for Plumbing?▾
The score of 87/100 is driven by: +9 owner-occupied 82% (x1.2); +5 12,681 households; +5 median income $126K. Each signal is weighted for the Plumbing vertical using AreaOps's per-vertical preset.
What does the targeting score mean for my business?▾
A score of 75–100 indicates strong demographic alignment with typical demand patterns for this vertical. 50–74 is moderate, and below 50 indicates the area demographics are less favorable. Use it as a starting signal — not the sole qualifier.
How do I add ZIP 91789 to my Plumbing service area?▾
Sign up for AreaOps, create a brand for your Plumbing operation, then use the Quick Add or targeting workbench to include ZIP 91789. You can also import a bulk list of high-scoring ZIPs as a CSV or XLSX file.
How often is the data updated?▾
Scores are refreshed monthly from 2024 ACS 5-Year data. The vintage note on this page shows which release powers the current score.
Manage Your Service Areas — for Plumbing businesses in Los Angeles
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