Sunnyvale, Texas
Town in Dallas County · population 7,893 (2020 Census)
- Median home
- $565,300
- Household income
- $170,348
- Jan low / Jul high
- 34° / 92°
- Snow a year
- 0 in
- Tornadoes ≤10 mi since 1950
- 29
- Median age
- 43.3
Sunnyvale is a town of 7,893 people in Dallas County, Texas. The median home is worth $565,300, above the typical Texas town ($184,100). It ranks more upscale than 93% of Texas towns, better for young professionals than 82% of Texas towns, better for families than 78% of Texas towns.
How Sunnyvale ranks
Percentile among Texas towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Texas towns.
Homes and cost of living
The median home in Sunnyvale is worth $565,300, above the typical Texas town ($184,100). Homes cost about 3.3 times the median household income of $170,348, which is more affordable than 36% of Texas towns. Median rent is $1,422 a month. 91.5% of households own their home.
| Housing | Sunnyvale | Typical Texas town |
|---|---|---|
| Median home value | $565,300 | $184,100 |
| Median rent | $1,422 | $1,086 |
| Median household income | $170,348 | $65,842 |
| Home value ÷ income | 3.3× | 2.9× |
| Homeownership | 91.5% | 72.9% |
| Median year built | 2006 | 1985 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Sunnyvale
| People | Sunnyvale | Typical Texas town |
|---|---|---|
| Median age | 43.3 | 37.1 |
| Age 65 and over | 18.6% | 15.6% |
| Under 18 | 28.0% | — |
| Bachelor's degree or higher | 57.2% | 18.9% |
| Below the poverty line | 6.0% | 13.1% |
| Veterans | 5.6% | — |
| Born outside the U.S. | 20.3% | — |
| Work from home | 13.6% | 7.8% |
| Average commute | 32.9 min | 26.1 min |
| Homes with broadband | 98.7% | 89.2% |
Weather in Sunnyvale
July highs average 92.4°F and January lows 34.2°F. About 39.8 inches of rain and melted snow fall a year, with 0.4 inches of snow (typical Texas town: 0.2 in). Expect about 95 days a year at 90°F or hotter and 45 nights at or below freezing.
Tornadoes, storms and disasters
29 tornadoes have passed within 10 miles of Sunnyvale since 1950, compared with 21 for the typical Texas town. 13 rated (E)F2 or stronger. The strongest, an EF4, struck on December 26, 2015 about 1.5 miles from the town center and killed 10. Tornadoes within 10 miles have caused 10 deaths and 517 injuries since 1950. The most recent was on October 20, 2019.
Hail of 1 inch or larger has been reported within 10 miles 166 times; the largest was 4.00 inches on April 11, 2016.
Severe weather in Dallas County since 1996
Dallas County has been included in 28 federal disaster or emergency declarations since 1953, most often for fire, flood, other.
| Declared | Incident | Declaration |
|---|---|---|
| May 17, 2024 | Flood | DR-4781: Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| February 19, 2021 | Severe Ice Storm | DR-4586: Severe Winter Storms |
| February 14, 2021 | Severe Ice Storm | EM-3554: Severe Winter Storm |
| August 24, 2020 | Hurricane | EM-3540: Tropical Storms Marco And Laura |
| March 25, 2020 | Biological | DR-4485: Covid-19 Pandemic |
Jobs and pay in Dallas County
Dallas County had 1,826,215 jobs in 2024, paying an average of $89,284 a year. Unemployment was 3.8% in 2023; in Sunnyvale itself the ACS puts it at 7%.
Public schools in Sunnyvale
5 public schools with 2,492 students, about 15.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| SUNNYVALE H S | 9-12 | 733 | 15.0 |
| SUNNYVALE MIDDLE | 6-8 | 553 | 15.4 |
| SUNNYVALE EL | PK-2 | 525 | 15.4 |
| SUNNYVALE INT | 3-5 | 506 | 14.9 |
| EDUCATION CENTER INTERNATIONAL ACADEMY 1 (charter) | PK-6 | 175 | 25.0 |
Towns near Sunnyvale
- Mesquite, TX3.2 mi · 150,108 people · home $245,700
- Travis Ranch, TX4.7 mi · 7,324 people · home $345,400
- Heath, TX6.6 mi · 9,769 people · home $766,900
- Balch Springs, TX6.9 mi · 27,685 people · home $224,400
- Forney, TX7.3 mi · 23,455 people · home $346,400
- Rowlett, TX8.0 mi · 62,535 people · home $368,800
- Garland, TX8.7 mi · 246,018 people · home $270,800
- Seagoville, TX10.1 mi · 18,446 people · home $230,400
Sunnyvale questions
Is Sunnyvale, Texas a good place to retire?
On The Town Files lifestyle rankings, Sunnyvale scores better for retirees than 48% of Texas towns and quieter than 30%. 18.6% of residents are 65 or older (median age 43.3).
How much does a house cost in Sunnyvale?
The median owner-occupied home in Sunnyvale is valued at $565,300 (Census ACS 2020–2024), against a median household income of $170,348, so homes cost about 3.3 times income. Median rent is $1,422 a month.
What is the weather like in Sunnyvale?
July highs average 92.4°F and January lows 34.2°F (NOAA 1991–2020 normals). It gets about 39.8 inches of precipitation a year and 0.4 inches of snow.
Does Sunnyvale get tornadoes?
29 tornadoes have passed within 10 miles of Sunnyvale since 1950 (NOAA Storm Events); the strongest was an EF4 on December 26, 2015. The typical Texas town has had 21.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)