Chief administrative officer Simone B. Champagne
Youngsville is located at 30°6′2″N 91°59′27″W / 30.10056°N 91.99083°W / 30.10056; -91.99083 (30.100595, -91.990707).
According to the United States Census Bureau, the city has a total land area of 10.95 square miles, all land (28.36 km²).
As of the census of 2010, there were 8,105 people and 2,769 households residing in the town. The population density was 740 people per square mile (230.7/km²). There were 3,043 housing units at an average density of 225.5 per square mile (87.1/km²). The racial makeup of the town was 89.80% White, 6.8% African American, 0.4% Native American, 1.1% Asian, 0.25% Pacific Islander, 0.50% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 2.9% of the population.
There were 2,769 households out of which 47.8% had children under the age of 18 living with them, 63.4% were married couples living together, 11.0% had a female householder with no husband present, and 21.4% were non-families. 16.5% of all households were made up of individuals and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.24.
In the town the population was spread out with 32.1% under the age of 18, 7.7% from 18 to 24, 37.3% from 25 to 44, 16.6% from 45 to 64, and 6.2% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 102.1 males. For every 100 females age 18 and over, there were 96.6 males.
The median income for a household in the town was $67,147. Males had a median income of $41,700 versus $30,710 for females. The per capita income for the town was $31,257. About 4.5% of the population were below the poverty line.
Youngsville has the highest per capita income ($31,257) in Lafayette Parish. Compare that to the Parish’s largest city Lafayette ($27,532) or the Parish as a whole ($26,791). However, it is lower than the per capita income of Oak Hills Place, which at $65,938 is significantly higher. Ruston, at $34,329 per capita, is also higher.
Youngsville Louisiana neighborhoods include: Anslem Ridge, Beau Parterre, Bella Maison, Cedar Hills, Copperfield South, Copper Meadows, Copperwood, Cotton Wood Pond, Country Lakes, Country Meadows, Country Village Dr, Crepe Myrtle, Cypress Gardens, Darphin Estates, East Milton, Fairfax Farms, Fairway Village, Fortune, Guillot Rd, Guillot Village, Habersham, Highland Plantation, Highland Ridge, Hilandridge, Hunter’s Ridge, Lakeview Trailer Park, Langlinais/S Larriviere, Laurel Grove/Field Crest, Legend Creek, Live Oak Estates, Maple Grove, Meadowbend, Meadows Bend Lakes, Milton Ridge Estates, Oak Shadows/Wells Landing, Oakthorn, Olive Branch Rd, Pinnacle/StSeton/WildRose, Reserve at River Place, Sabal Palms, Shadowbrooke, Southlake Plantation, St David’s Cove, Sugar Mill Pond, Tri-Parish Point, Twin Lakes, Woodcrest, Woodland Estates, Youngsville