Green Valley, Maryland
Community in Frederick County · population 12,643 (2020 Census)
- Median home
- $594,300
- Household income
- $171,707
- Jan low / Jul high
- 25° / 84°
- Snow a year
- 31 in
- Tornadoes ≤10 mi since 1950
- 23
- Median age
- 40.9
Green Valley is a community of 12,643 people in Frederick County, Maryland. The median home is worth $594,300, above the typical Maryland town ($412,300). It ranks better for families than 99% of Maryland towns, more of a college town than 99% of Maryland towns, more upscale than 82% of Maryland towns.
How Green Valley ranks
Percentile among Maryland towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Maryland towns.
Homes and cost of living
The median home in Green Valley is worth $594,300, above the typical Maryland town ($412,300). Homes cost about 3.5 times the median household income of $171,707, which is more affordable than 67% of Maryland towns. Median rent is $3,000 a month. 98.2% of households own their home.
| Housing | Green Valley | Typical Maryland town |
|---|---|---|
| Median home value | $594,300 | $412,300 |
| Median rent | $3,000 | $1,748 |
| Median household income | $171,707 | $108,677 |
| Home value ÷ income | 3.5× | 3.8× |
| Homeownership | 98.2% | 77.3% |
| Median year built | 1985 | 1980 |
| Seasonal / vacation homes | 0.2% | — |
Who lives in Green Valley
| People | Green Valley | Typical Maryland town |
|---|---|---|
| Median age | 40.9 | 40.2 |
| Age 65 and over | 18.9% | 16.4% |
| Under 18 | 21.3% | — |
| Bachelor's degree or higher | 49.7% | 39.4% |
| Below the poverty line | 2.8% | 7.1% |
| Veterans | 5.7% | — |
| Born outside the U.S. | 7.2% | — |
| Work from home | 22.5% | 17.4% |
| Average commute | 34.6 min | 31.4 min |
| Homes with broadband | 97.3% | 94.3% |
Weather in Green Valley
July highs average 84.3°F and January lows 24.5°F. About 47.9 inches of rain and melted snow fall a year, with 31.4 inches of snow (typical Maryland town: 15.9 in). Expect about 13 days a year at 90°F or hotter and 98 nights at or below freezing.
Tornadoes, storms and disasters
23 tornadoes have passed within 10 miles of Green Valley since 1950, compared with 18 for the typical Maryland town. 3 rated (E)F2 or stronger. The strongest, an EF2, struck on November 2, 2018 about 3.9 miles from the town center. The most recent was on May 3, 2021.
Hail of 1 inch or larger has been reported within 10 miles 34 times; the largest was 2.25 inches on June 2, 1998.
Severe weather in Frederick County since 1996
Frederick County has been included in 23 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| Declared | Incident | Declaration |
|---|---|---|
| January 24, 2026 | Winter Storm | EM-3634: Severe Winter Storm |
| March 26, 2020 | Biological | DR-4491: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3430: Covid-19 |
| June 25, 2018 | Severe Storm | DR-4374: Severe Storms And Flooding |
| March 4, 2016 | Snowstorm | DR-4261: Severe Winter Storm And Snowstorm |
Jobs and pay in Frederick County
Frederick County had 108,438 jobs in 2024, paying an average of $69,852 a year. Unemployment was 2% in 2023; in Green Valley itself the ACS puts it at 3.3%.
Public schools in Green Valley
1 public school with 754 students, about 17.5 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Windsor Knolls Middle | 6-8 | 754 | 17.5 |
Towns near Green Valley
- Monrovia, MD2.2 mi · 2,702 people · home $805,100
- Mount Airy, MD5.1 mi · 9,654 people · home $487,400
- Damascus, MD5.4 mi · 17,224 people · home $528,400
- Urbana, MD5.5 mi · 13,304 people · home $640,100
- Linganore, MD5.9 mi · 12,351 people · home $533,500
- Bartonsville, MD6.8 mi · 2,753 people · home $621,800
- Spring Ridge, MD6.9 mi · 6,005 people · home $489,000
- Clarksburg, MD8.3 mi · 29,051 people · home $679,400
Green Valley questions
Is Green Valley, Maryland a good place to retire?
On The Town Files lifestyle rankings, Green Valley scores better for retirees than 73% of Maryland towns and quieter than 67%. 18.9% of residents are 65 or older (median age 40.9).
How much does a house cost in Green Valley?
The median owner-occupied home in Green Valley is valued at $594,300 (Census ACS 2020–2024), against a median household income of $171,707, so homes cost about 3.5 times income. Median rent is $3,000 a month.
What is the weather like in Green Valley?
July highs average 84.3°F and January lows 24.5°F (NOAA 1991–2020 normals). It gets about 47.9 inches of precipitation a year and 31.4 inches of snow.
Does Green Valley get tornadoes?
23 tornadoes have passed within 10 miles of Green Valley since 1950 (NOAA Storm Events); the strongest was an EF2 on November 2, 2018. The typical Maryland town has had 18.
- 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)