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ZIP Code

78666 — San Marcos, TX

Plumbing Market Targeting Score

Plumbing Score
69/ 100 · Medium
Score drivers
-1 owner-occupied 38% (x1.2)+5 33,949 households+3 median income $55K+3 median home value $307K+7 median home age 30yr (x1.3)

ZIP 78666 is predominantly rental (38% owner occupancy) with a median household income of $55K and a median home value of $307K — earning a medium Plumbing targeting score of 69/100.

Census Demographics — ZIP 78666

Demographic SignalValue
CitySan Marcos
StateTX
Total Population88,583
Total Households33,949
Median Household Income$55K
Owner-Occupied Households12,927
Owner Occupancy Rate38%
Median Home Value$307K
Single-Family Detached Share39%
Median Resident Age27 years
Median Year Built(ACS B25035)1996
Built Before 1980(older stock)40%
Built 1980–199935%
Built 2000 or Later(newer stock)25%
Source: 2024 ACS 5-Year

Comparable ZIPs in Austin

78644Lockhart89/High22,34875%$75K
78645Leander89/High15,25691%$113K
78676Wimberley89/High15,82279%$87K
78621Elgin88/High30,41181%$99K
78602Bastrop88/High38,19071%$90K
Plumbing market data for all metros: Plumbing service area data →
See ZIP 78666 scores across all verticals: ZIP 78666 industry comparison →

Frequently Asked Questions

Why does ZIP 78666 score 69/100 for Plumbing?▾

The score of 69/100 is driven by: -1 owner-occupied 38% (x1.2); +5 33,949 households; +3 median income $55K. 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 78666 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 78666. 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 Austin

AreaOps gives your ops team a visual territory map, bulk ZIP import, and the full scoring model — all filterable by the demographics that drive demand for your specific vertical.