Lavon (/ləˈvɒn/ lə-VON) is a city in Collin County and has been one of the U.S. state of Texas's fastest-growing communities, with a 2000 census-tabulated population of 387 and 2020 tabulated population of 4,469.

Lavon, Texas, is a city located in southeastern Collin County. The city is situated approximately 1 mile (1.6 km) southeast of Lavon Dam on the East Fork of the Trinity River, which forms Lavon Lake, a key recreational and water supply resource for the region. According to the United States Census Bureau, Lavon encompasses a total area of 2.4 square miles (6.1 km²), with 0.01 square miles (0.02 km²), or 0.39%, accounted for by water.

Transportation infrastructure in Lavon includes Texas State Highway 78, which runs through the city, providing direct access northward to Farmersville, located 11 miles (18 km) away, and southwest to Garland, 16 miles (26 km) distant. Additionally, Texas State Highway 205 intersects Highway 78 on the west side of Lavon, extending south for 6 miles (10 km) to Rockwall, facilitating regional connectivity.

Lavon is part of the rapidly growing Dallas-Fort Worth metropolitan area, which has influenced its development and population growth in recent years. As of the most recent census, Lavon has experienced significant residential expansion.

Historical population

Census	Pop.	Note	%±
1980	185		—
1990	303		63.8%
2000	387		27.7%
2010	2,219		473.4%
2020	4,469		101.4%
2023 (est.)	7,495		67.7%
U.S. Decennial Census

At the census of 2000, 387 people, 136 households, and 116 families were residing in the town. At the 2020 census, its population grew to 4,469. Part of the Metroplex, its population increase is attributed to the rapid influx of residents from other U.S. states and countries.

Lavon racial composition
(NH = Non-Hispanic)

Race	Number	Percentage
White (NH)	2,613	58.47%
Black or African American (NH)	568	12.71%
Native American or Alaska Native (NH)	37	0.83%
Asian (NH)	199	4.45%
Pacific Islander (NH)	2	0.04%
Some Other Race (NH)	23	0.51%
Mixed/Multi-Racial (NH)	208	4.65%
Hispanic or Latino	819	18.33%
Total	4,469

In 2020, there were 1,500 housing units; of the total housing units, 80 were vacant. Among the households and families in the city, the average family size was 3.38 and 19.7% were non-married households in 2019.

Of its population from 2000 to 2020, the majority have been non-Hispanic or Latino white Americans. Black and African Americans have remained the second largest racial and ethnic group within the city with Hispanic and Latino Americans.

The 2019 American Community Survey determined the median household income was $89,474. Married-couple families had a median household income of $95,558, non-married families $96,010, and non-family households $51,625. In 2000, the median income for a household was $57,083, and for a family was $61,250. Males had a median income of $42,143 versus $31,250 for females. The per capita income for the town was $20,711. None of the families and 1.3% of the population were living below the poverty line, including no one under 18 and 10.5% of those over 64.

Lavon, Texas, is served by the Community Independent School District, which provides educational services to the area. The district encompasses several schools. It plays a significant role in the community, contributing to both the educational development and the overall quality of life in Lavon.

• City of Lavon official website
• The Wylie News, newspaper of record for Lavon