Get API Key →
US ZIP Code Profile

ZIP Code 78164
Yorktown, Texas

ZIP code 78164 is in Yorktown, located in De Witt County, Texas. Its 2020 Census population was 3,464. The estimated median adjusted gross income per tax return is $50,000, and about 11% of filers report $200,000 or more.

2020 Population
3,464
Census ZCTA
County
De Witt
FIPS 48123
Median income (est.)
$50,000
IRS SOI 2022
Land Area
282.575 mi²
+ 0.26 mi² water

01Location & Geography

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

Primary CityYorktown, TX
CountyDe Witt County (FIPS 48123)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates28.98256, -97.52074
Land / Water Area282.575 mi² land · 0.26 mi² water

02Income & Economics

Distribution of the 1,660 individual tax returns filed in 78164 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.3%
$25K–$50K
21.7%
$50K–$75K
13.2%
$75K–$100K
9.6%
$100K–$200K
15.7%
$200K+
11.5%
The $200,000+ bracket accounts for 79% of 78164's total adjusted gross income, from 11% of returns — a concentration that drives the gap between the median ($50,000) 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 78164's IRS income metrics, 2020–2022.

Median income (2021→2022)
$50,000
▲ 12.5%
Filers earning $200K+
11.5%
▲ 2.2 pt
Total filers
1,660
▲ 2.5%
GET /zipc/v2/zipcodes/78164/soi?year=… $41K 2020 $44K 2021 $50K 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 78164 ZCTA.

2000
3,998
 
2010
3,796
▼ -5.1%
2020
3,464
▼ -8.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number489945
City AliasesYorktown

06Frequently Asked Questions

What county is ZIP code 78164 in?

ZIP code 78164 is in De Witt County, Texas (county FIPS code 48123).

What city is ZIP code 78164?

The primary USPS city for 78164 is Yorktown, TX.

What is the population of ZIP code 78164?

The 2020 Census population of 78164 was 3,464 residents.

What is the median income in ZIP code 78164?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78164 is about $50,000, with around 11% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.