As of the census of 2010, Plano had 259,841 people, 99,131 households and 69,464 families, up from 80,875 households and 60,575 families in the 2000 census.
The population density was 3,629.1 people per square mile (1,400.8/km²).
There were 103,672 housing units at an average density of 1,448.6 per square mile (559.3/km²).
The racial makeup of the city was 66.9% White (58.4% Non-Hispanic White), 7.6% Black, 0.36% Native American, 16.9% Asian (6.5% Asian Indian, 5.2% Chinese, 1.2% Vietnamese, 1.2% Korean, 0.6% Filipino, 0.2% Japanese, 1.9% Other), 0.1% Pacific Islander, 3.86% from other races, and 3.0% from two or more races.
Hispanic or Latino made up 14.7% of the population (10.6% Mexican, 0.5% Puerto Rican, 0.2% Cuban, 3.5% Other).


Plano is the 9th largest city in Texas and the 71st largest city in the United States.
As of 2009 western Plano has a higher concentration of Asians, while eastern Plano has a higher concentration of Hispanics and Latinos.

Of the 99,131 households,  35.8% had children under the age of 18.
Married couples accounted for 56.7%; 9.7% had a female householder with no husband present, and 29.9% were non-families.
Approximately 24.4% of all households were individuals, and 5.3% had someone living alone who was 65 years of age or older.
The average household size was 2.61, and the average family size was 3.15.

Data indicates that 28.7% of Plano's population was under the age of 18, 7.0% was 18 to 24, 36.5% was 25 to 44, 22.9% was 45 to 64, and 4.9% was 65 years of age or older.
The median age was 34 years.
For every 100 females, there were 99.3 males.
For every 100 females age 18 and over, there were 97.2 males.

According to a 2007 estimate, the median income for a household in the city was $84,492, and the median income for a family was $101,616.
About 3.0% of families and 4.3% of the population were living below the poverty line, including 4.6% of those under age 18 and 7.8% of those age 65 or over.

In 2007, Plano had the highest median income of a city with a population exceeding 250,000 in the nation, at $84,492.
As of 2010, Plano had a median income of $103,913 annually.
According to crime statistics, there were four homicides in Plano in 2006, the lowest homicide rate of all U.S. cities of 250,000 or more population.
As of the census of 2010, Plano had 259,841 people, 99,131 households and 69,464 families, up from 80,875 households and 60,575 families in the 2000 census. The population density was 3,629.1 people per square mile (1,400.8/km²). There were 103,672 housing units at an average density of 1,448.6 per square mile (559.3/km²). The racial makeup of the city was 66.9% White (58.4% Non-Hispanic White), 7.6% Black, 0.36% Native American, 16.9% Asian (6.5% Asian Indian, 5.2% Chinese, 1.2% Vietnamese, 1.2% Korean, 0.6% Filipino, 0.2% Japanese, 1.9% Other), 0.1% Pacific Islander, 3.86% from other races, and 3.0% from two or more races. Hispanic or Latino made up 14.7% of the population (10.6% Mexican, 0.5% Puerto Rican, 0.2% Cuban, 3.5% Other).

Plano is the 9th largest city in Texas and the 71st largest city in the United States. As of 2009 western Plano has a higher concentration of Asians, while eastern Plano has a higher concentration of Hispanics and Latinos.
Of the 99,131 households,  35.8% had children under the age of 18. Married couples accounted for 56.7%; 9.7% had a female householder with no husband present, and 29.9% were non-families. Approximately 24.4% of all households were individuals, and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.61, and the average family size was 3.15.
Data indicates that 28.7% of Plano's population was under the age of 18, 7.0% was 18 to 24, 36.5% was 25 to 44, 22.9% was 45 to 64, and 4.9% was 65 years of age or older. The median age was 34 years. For every 100 females, there were 99.3 males. For every 100 females age 18 and over, there were 97.2 males.
According to a 2007 estimate, the median income for a household in the city was $84,492, and the median income for a family was $101,616. About 3.0% of families and 4.3% of the population were living below the poverty line, including 4.6% of those under age 18 and 7.8% of those age 65 or over.
In 2007, Plano had the highest median income of a city with a population exceeding 250,000 in the nation, at $84,492. As of 2010, Plano had a median income of $103,913 annually. According to crime statistics, there were four homicides in Plano in 2006, the lowest homicide rate of all U.S. cities of 250,000 or more population.
Plano, Texas