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US ZIP Code Profile

ZIP Code 78669
Spicewood, Texas

ZIP code 78669 is in Spicewood, located in Travis County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 12,415. The estimated median adjusted gross income per tax return is $94,388, and about 26% of filers report $200,000 or more.

2020 Population
12,415
Census ZCTA
County
Travis
FIPS 48453
Median income (est.)
$94,388
IRS SOI 2022
Land Area
140.336 mi²
+ 8.456 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CitySpicewood, TX
CountyTravis County (FIPS 48453)
StateTexas (FIPS 48)
Metro Area (MSA)Austin-Round Rock, TX Metro Area (12420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.43072, -98.11278
Land / Water Area140.336 mi² land · 8.456 mi² water

02Income & Economics

Distribution of the 6,260 individual tax returns filed in 78669 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.7%
$25K–$50K
14.9%
$50K–$75K
10.4%
$75K–$100K
7.8%
$100K–$200K
22.0%
$200K+
26.2%
The $200,000+ bracket accounts for 77% of 78669's total adjusted gross income, from 26% of returns — a concentration that drives the gap between the median ($94,388) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 78669's IRS income metrics, 2020–2022.

Median income (2021→2022)
$94,388
▲ 5.2%
Filers earning $200K+
26.2%
▲ 0.4 pt
Total filers
6,260
▲ 3.5%
GET /zipc/v2/zipcodes/78669/soi?year=… $77K 2020 $90K 2021 $94K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 78669 ZCTA.

2000
5,527
 
2010
8,731
▲ +58.0%
2020
12,415
▲ +42.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number488550
City AliasesBriarcliff, Spicewood, Double Horn

06Frequently Asked Questions

What county is ZIP code 78669 in?

ZIP code 78669 is in Travis County, Texas (county FIPS code 48453).

What city is ZIP code 78669?

The primary USPS city for 78669 is Spicewood, TX.

What metro area (MSA) is 78669 in?

78669 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78669?

The 2020 Census population of 78669 was 12,415 residents.

What is the median income in ZIP code 78669?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78669 is about $94,388, with around 26% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.