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US ZIP Code Profile

ZIP Code 78606
Blanco, Texas

ZIP code 78606 is in Blanco, located in Blanco County, Texas. Its 2020 Census population was 5,875. The estimated median adjusted gross income per tax return is $62,766, and about 12% of filers report $200,000 or more.

2020 Population
5,875
Census ZCTA
County
Blanco
FIPS 48031
Median income (est.)
$62,766
IRS SOI 2022
Land Area
244.552 mi²
+ 0.579 mi² water

01Location & Geography

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

Primary CityBlanco, TX
CountyBlanco County (FIPS 48031)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.083786, -98.47616
Land / Water Area244.552 mi² land · 0.579 mi² water

02Income & Economics

Distribution of the 3,560 individual tax returns filed in 78606 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.4%
$25K–$50K
18.8%
$50K–$75K
13.2%
$75K–$100K
10.1%
$100K–$200K
21.1%
$200K+
12.4%
The $200,000+ bracket accounts for 52% of 78606's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($62,766) 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 78606's IRS income metrics, 2020–2022.

Median income (2021→2022)
$62,766
▲ 6.1%
Filers earning $200K+
12.4%
▲ 0.5 pt
Total filers
3,560
▲ 5.6%
GET /zipc/v2/zipcodes/78606/soi?year=… $51K 2020 $59K 2021 $63K 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 78606 ZCTA.

2000
4,165
 
2010
5,205
▲ +25.0%
2020
5,875
▲ +12.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480825
City AliasesBlanco

06Frequently Asked Questions

What county is ZIP code 78606 in?

ZIP code 78606 is in Blanco County, Texas (county FIPS code 48031).

What city is ZIP code 78606?

The primary USPS city for 78606 is Blanco, TX.

What is the population of ZIP code 78606?

The 2020 Census population of 78606 was 5,875 residents.

What is the median income in ZIP code 78606?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78606 is about $62,766, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.