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Maryland›Frederick County

Green ValleyMD

Population 13,602: a town in Maryland.

Is Green Valley a good place to live?

Much to like here, and you pay for it. Incomes are where it shines — the median household earns $172K. Overall, Green Valley earns an A, better than 88% of U.S. towns. The ranking puts it 60th of 259 in Maryland. What holds it back is cost of living (C) — the typical home is worth about $594K, 4.7 years of the Washington metro’s $127K median household income. Only 26 of Maryland’s 329 towns score lower on the outdoors. The biggest park or preserve is Kemptown Community Park, at 72 acres. This Maryland town is healthier than 92% of U.S. towns.

Figures: incomes, Census ACS, 2020–24 · home values, Zillow · health, CDC PLACES · USGS PAD-US · OpenStreetMap.

What makes Green Valley stand out

Where Green Valley beats most towns.

A commuter town

98% of working residents leave Green Valley for work

Where Green Valley’s working residents go each day. Line width shows the share.

10% → Frederick Frederick 10% 9% → Rockville Rockville 9% 6% → Gaithersburg Gaithersburg 6% 4% → Ballenger Creek Ballenger Creek 4% 3% → Baltimore Baltimore 3% 3% → Mount Airy Mount Airy 3% Green Valley · 2% stay
1,151jobs based in Green Valley
2%of working residents work in town
18 mimedian commute distance

Census LEHD 2023

How Green Valley grades

Each subject compared with towns across the country (schools within Maryland), ordered by how far Green Valley is from typical.

How grading works
Character Graded, but not part of the overall grade.
Described, not graded Taste, not quality: snow or an older crowd is neither good nor bad.

How TownRatings grades towns →

Getting set up

Moving to Green Valley: who provides what

Green Valley is unincorporated, so Frederick County and regional agencies provide most services.

PowerPotomac Edison15.4¢/kWh · EIA 2025HIFLD · EIA
WaterSam Hill Estates water systemNo health-based violations in 5 years · EPAEPA
Internet4 providers99% of addresses get 100/20 MbpsFCC
Trash & county servicesFrederick CountyFrederick County provides services here
SchoolsFrederick County Public SchoolsWhich school depends on your addressNCES
Register to voteOnlineIn Maryland you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (postmarked 21 days before).vote.gov
Who runs elections hereFrederick County Board of ElectionsFrederick County; contacts on the Handbook page.FVAP, Jul 2023
ZIP codes21770, 21771, 21754, 2087121770 38% · 21771 35% · 21754 23% · 20871 5%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Mar 11, 2026.

The data

Ordered by what stands out in Green Valley.

Green Valley has less food insecurity than most of Maryland, sends most of its workers to Frederick and beyond and has household incomes well above the Maryland norm.

HealthA

Green Valley’s grade for health is an A

Its widest gap with Maryland is food insecurity: 7.2% of its 9,841 adults worry about having enough food, against 15.4% statewide. Against the 1,641 U.S. towns with household incomes like Green Valley’s, it is less healthy than 55%: its national edge comes with its incomes.

Among adults in Green Valley, 33% sleep under 7 hours. The share of adults in Green Valley who report frequent physical distress is 10%, where Maryland’s towns sit at 12% and U.S. towns at 14%. This Maryland town does better than the Maryland average on 21 of 32 CDC measures and worse on 1.

92%healthier than U.S. townsAHealth Grade
Green ValleyMaryland townsU.S. towns
Get no exercise (CDC PLACES)17%23%25%
Frequent physical distress (CDC PLACES)10%12%14%
Feel lonely (CDC PLACES)30%34%33%
Smoke cigarettes (CDC PLACES)8.2%11%14%
32 measures vs. Maryland
21 better10 too close to call1 worse
What stands outGreen ValleyMD
Fewer adults facing food insecurity7.2%15.4%
Fewer adults facing housing insecurity7.1%13.5%
More adults who have had cancer9.7%7.6%
Frederick Health Hospital
10.9 mi away · emergency room
2 of 3
care shortages: primary care, mental health
84th
percentile among MD towns

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

SchoolsA−

Public schools in Green Valley beat 76% of Maryland districts

Its two schools are below. The public schools here belong to the Frederick County Public Schools. The 2 public schools in Green Valley teach 1,260 students between them.

76%of MD districts it outscoresA−School Grade
SchoolLevelStudentsLetter
Windsor Knolls MiddleLargest public middle schoolGrades 6–8Grades 6–8812A−
Kemptown ElementaryTop results in townGrades K–5Grades K–5448A−

NCES · EDFacts · graded within MD on state tests and graduation

Natural hazardsHazard risk grade A+

Top of a very low hazard risk in Green Valley: inland flooding

Expected storm and flood damage is lower than in 96% of U.S. communities. 58% of Green Valley’s expected losses from natural hazards come from inland flooding, followed by tornadoes at 9%.

4risk score of 100
FEMA risk score
4Very low riskLowerHigher
Inland floodingTornadoesHeat waves

FEMA National Risk Index · OpenFEMA

Work & commuteJobs & income grade A+

Few of Green Valley’s working residents work in town

Green Valley has 1,151 jobs for its 5,772 working residents: even if every job went to a resident, most would still commute out.

Most people who work leave Green Valley to do it: just 2% work in town. Its average commute comes in at 35 minutes. The share of residents in Green Valley who live below the poverty line is 2.8%, below both Maryland’s towns (7%) and U.S. towns (9.6%). Also worth knowing: jobs based in Green Valley grew to 1,151 in 2023, 63 more than in 2013.

2%work in town
Green ValleyMaryland townsU.S. towns
Median household income$172,000$113,000$80,000
Average trip to work35 minutes32 minutes25 minutes
Work from home23%18%11%
Below the poverty line2.8%7%9.6%

Where working residents work

In Green Valley2%
Frederick10%
Rockville9%
Gaithersburg6%
Ballenger Creek4%
18 mi
median commute distance
1,151
jobs based in Green Valley
A commuter town
jobs vs. working residents
C+
Walkability grade: more walkable than 36% of U.S. towns

Census LEHD 2023 · ACS

Climate

In Green Valley, expect four seasons and pleasant summers

Expect July afternoons of 86° and January nights of 24°, with about 31 inches of snow a winter.

31″snow a winter

Typical low → high °F

Winter26–43°
Spring42–64°
Summer63–83°
Fall46–66°
Oct 29
typical first frost
Apr 14
typical last frost
+1.6°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Who lives here

An age mix much like Maryland’s

The median household earns $171,707, against $103,678 across Maryland, one input to its A+ for jobs and income.

By age, Green Valley looks like Maryland: each broad group is within 4 points. For adults 25 and older locally, the share who hold a bachelor’s degree or more is 50%. The midpoint age here is 40.9 years.

40.9median age · MD 39.4
Green ValleyMaryland townsU.S. towns
Bachelor’s degree or more, 25+50%42%29%
Aged 65 or older19%16%18%
Under 1821%23%22%
Median age40.9 years39.4 years40.5 years
Green ValleyMarylandUnited States

Ages · share of residents

Education · adults 25 and older

No diploma2%
High school21%
Some college20%
Associate’s7%
Bachelor’s29%
Graduate21%

Women and men · all residents

48% women, 52% men

That’s an even split within the survey’s margin of ±2.5 points. Across Maryland, 51.3% of residents are women. Median age: women 40.5, men 41.2.

Ages and education in Green Valley
Green ValleyMDU.S.
Under 1011.1%11.9%11.6%
10 to 1710.2%10.3%10.3%
18 to 248.6%8.5%9.1%
25 to 3412.4%13.2%13.7%
35 to 4412.5%13.6%13.2%
45 to 5413.6%12.6%12.2%
55 to 6412.8%13.3%12.7%
65 to 7414%9.9%10.2%
75 and older4.9%6.8%7%
No diploma2.1%8.9%10.4%
High school20.7%23.4%26%
Some college20.2%17.4%19.1%
Associate’s7.3%6.8%8.8%
Bachelor’s28.5%22.7%21.6%
Graduate21.2%20.8%14.1%

U.S. Census Bureau · ACS 2020-2024 5-year estimates

OutdoorsC

Conserved land covers 2.9% of Green Valley

In 1 park or preserve, walkers have 3.1 miles of trail. For Green Valley, the density of trails is 0.2 miles per square mile.

#185for trails in MD
Green ValleyMaryland townsU.S. towns
Conserved land2.9%9.5%4.3%
Miles of trail per square mile0.2 miles per square mile0.60.4
2.9%
conserved · 315 of 10,907 acres
3.1 mi
of trails · 0.2 per sq mi
Biggest places to walkTrailsAcres
1. Kemptown Community Park—72

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

HousingCost of living grade C

Compared with most of Maryland and the rest of the country, more of Green Valley’s households own their home

Homes sold in Green Valley spent a median 36 days on the market. The median sale price was $645,000 in September 2026. In Green Valley, 48% of sales closed above the list price.

$645Kmedian sale price
Market temperature
Seller’s marketA seller's marketBuyer’sSeller’s
36
days on market
100.6%
sale-to-list price
10
homes sold in September

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Nearby attractions

White House and 283 more within 40 miles

Museums, parks, gardens and other places to visit around Green Valley. Close and well known come first.

All 324 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

White House: This image or media was taken or created by Matt H. Wade. To see his entire port, CC BY-SA 3.0 · Washington Monument: Oren Rozen, CC BY-SA 4.0 · Arlington National Cemetery: Protoant, Public domain · United States Triumphal Arch: Hstoops, CC0 · Smithsonian Institution: Highsmith, Carol M., 1946-, photographer, Public domain · Raven Rock Mountain Complex: US Government, Public domain

Keep exploring

Everything we know about Green Valley

16pages on Green Valley
After high school

Colleges nearby

2 within 15 miles of the center of Green Valley

About Green Valley

Census-designated place in Frederick County, Maryland, United States

Green Valley is an unincorporated area and census-designated place (CDP) in southern Frederick County, Maryland, United States. The population was 12,643 at the 2020 census. The area was listed as a census-designated place in 2000 but not listed as part of any CDP at the 2010 census. It was re-designated a census-designated place for the 2020 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
21 sq mi
Elevation
397 ft

Green Valley’s neighbors

2 towns share a border with Green Valley.

Explore the map →
How the neighbors grade
TownMD rankOverallCostSafetySchoolsHealth
Green Valley#60AC—A−A
Monrovia#63AC+—A−A
Urbana#42AC−—A−A+

Green Valley, Monrovia and Urbana report no FBI crime data of their own. Compare Green Valley with a neighbor →

Questions about Green Valley

Short answers, built from the data on this page.

Is Green Valley, MD a good place to live?

By most measures, yes. Green Valley grades A overall, better than 88% of U.S. towns and #60 of 259 in Maryland. It grades A for health and A− for schools.

Is Green Valley, MD expensive?

The typical home is worth about $594,000, 40% above the Maryland typical home. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C.