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US ZIP Code Profile

ZIP Code 78612
Cedar Creek, Texas

ZIP code 78612 is in Cedar Creek, located in Bastrop County, Texas, within the Austin-Round Rock metro area. Its 2020 Census population was 16,265. The estimated median adjusted gross income per tax return is $43,750, and about 5% of filers report $200,000 or more.

2020 Population
16,265
Census ZCTA
County
Bastrop
FIPS 48021
Median income (est.)
$43,750
IRS SOI 2022
Land Area
93.852 mi²
+ 0.543 mi² water

01Location & Geography

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

Primary CityCedar Creek, TX
CountyBastrop County (FIPS 48021)
StateTexas (FIPS 48)
Metro Area (MSA)Austin-Round Rock, TX Metro Area (12420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.09407, -97.495094
Land / Water Area93.852 mi² land · 0.543 mi² water

02Income & Economics

Distribution of the 7,870 individual tax returns filed in 78612 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.2%
$25K–$50K
27.7%
$50K–$75K
16.5%
$75K–$100K
9.0%
$100K–$200K
12.8%
$200K+
4.7%
The $200,000+ bracket accounts for 27% of 78612's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($43,750) 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 78612's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,750
▲ 5.9%
Filers earning $200K+
4.7%
▲ 0.5 pt
Total filers
7,870
▲ 6.4%
GET /zipc/v2/zipcodes/78612/soi?year=… $39K 2020 $41K 2021 $44K 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 78612 ZCTA.

2000
9,063
 
2010
11,457
▲ +26.4%
2020
16,265
▲ +42.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number481545
City AliasesCedar Creek, Lost Pines

06Frequently Asked Questions

What county is ZIP code 78612 in?

ZIP code 78612 is in Bastrop County, Texas (county FIPS code 48021).

What city is ZIP code 78612?

The primary USPS city for 78612 is Cedar Creek, TX.

What metro area (MSA) is 78612 in?

78612 is part of the Austin-Round Rock, TX Metro Area (MSA code 12420).

What is the population of ZIP code 78612?

The 2020 Census population of 78612 was 16,265 residents.

What is the median income in ZIP code 78612?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78612 is about $43,750, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.