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US ZIP Code Profile

ZIP Code 75166
Lavon, Texas

ZIP code 75166 is in Lavon, located in Collin County, Texas, within the Dallas-Fort Worth-Arlington metro area. Its 2020 Census population was 5,457. The estimated median adjusted gross income per tax return is $66,164, and about 6% of filers report $200,000 or more.

2020 Population
5,457
Census ZCTA
County
Collin
FIPS 48085
Median income (est.)
$66,164
IRS SOI 2022
Land Area
13.178 mi²
+ 3.267 mi² water

01Location & Geography

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

Primary CityLavon, TX
CountyCollin County (FIPS 48085)
StateTexas (FIPS 48)
Metro Area (MSA)Dallas-Fort Worth-Arlington, TX Metro Area (19100)
Census Region / DivisionSouth Region · West South Central Division
Coordinates33.012737, -96.453766
Land / Water Area13.178 mi² land · 3.267 mi² water

02Income & Economics

Distribution of the 3,770 individual tax returns filed in 75166 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.8%
$25K–$50K
17.2%
$50K–$75K
15.4%
$75K–$100K
12.7%
$100K–$200K
25.7%
$200K+
6.1%
The $200,000+ bracket accounts for 24% of 75166's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($66,164) 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 75166's IRS income metrics, 2020–2022.

Median income (2021→2022)
$66,164
▲ 3.0%
Filers earning $200K+
6.1%
▲ 0.6 pt
Total filers
3,770
▲ 14.2%
GET /zipc/v2/zipcodes/75166/soi?year=… $61K 2020 $64K 2021 $66K 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 75166 ZCTA.

2000
473
 
2010
3,070
▲ +549.0%
2020
5,457
▲ +77.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number485000
City AliasesLavon

06Frequently Asked Questions

What county is ZIP code 75166 in?

ZIP code 75166 is in Collin County, Texas (county FIPS code 48085).

What city is ZIP code 75166?

The primary USPS city for 75166 is Lavon, TX.

What metro area (MSA) is 75166 in?

75166 is part of the Dallas-Fort Worth-Arlington, TX Metro Area (MSA code 19100).

What is the population of ZIP code 75166?

The 2020 Census population of 75166 was 5,457 residents.

What is the median income in ZIP code 75166?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 75166 is about $66,164, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.