Housing data for Green Valley, MD
Green Valley, MD has an estimated 13,602 residents and 4,309 homes (US Census Bureau, 2020–2024 American Community Survey).
It is an unincorporated community in Frederick County.
1.8% of households rent.
The median gross rent is $3,000 a month.
Figures last updated on .
- Residents
- 13,602 (±1,421)
- Housing units
- 4,309 (±353)
- Households that rent
- 1.8%
- Median gross rent
- $3,000
What stands out in Green Valley
Households that rent: 1.8% (±1.3 points) in Green Valley, lower than in Frederick County (23.0%).
Homes in buildings of 5 or more units: 0.3% (±1.5 points) in Green Valley, lower than in Frederick County (14.5%).
Median household income: $171,707 (±$16,148) in Green Valley, higher than in Frederick County ($122,002).
Households that moved in since 2020: 13.2% (±3.9 points) in Green Valley, lower than in Frederick County (24.5%).
- Types of homes in Green Valley
- Income and affordability in Green Valley
- How long people stay in Green Valley
Housing in Green Valley at a glance
- Median rent: $3,000 median gross rent a month (Small sample: wide margin of error)
- Rent burden: 53.7% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 1.8% of households rent (Small sample: wide margin of error)
- Income and affordability: $171,707 median household income
- Home values: $594,300 median home value
- Homeowner costs: $2,866 median monthly cost with a mortgage
- Property taxes: $5,136 median real estate taxes a year
- Types of homes: 0.3% of homes are in buildings of 5 or more units
- Bedrooms: 98.5% of homes have 3 or more bedrooms (Small sample: wide margin of error)
- Age of homes: 40.9% of homes were built before 1980
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 53.7% heat with electricity
- Commute and cars: 34.6 minutes average trip to work
- How long people stay: 13.2% moved in since 2020
- Crowding and facilities: 1.2% of homes have more than 1 person per room
- Fair Market Rent: $2,550 Small Area FMR, 2 bedrooms (ZIP 21770)
Green Valley against Frederick County, its state and the nation
| Green Valley | Frederick County | Maryland | United States | |
|---|---|---|---|---|
| Residents | 13,602 (±1,421) | 287,048 (exact) | 6,206,011 (exact) | 334,922,499 |
| Housing units | 4,309 (±353) | 108,924 (±86) | 2,560,784 (±424) | 143,775,355 |
| Households that rent | 1.8% (±1.3 points) | 23.0% (±0.9 points) | 32.4% (±0.3 points) | 34.8% |
| Median gross rent | $3,000 (±$2,251) | $1,774 (±$37) | $1,705 (±$8) | $1,413 |
| Median household income | $171,707 (±$16,148) | $122,002 (±$2,489) | $103,678 (±$597) | $80,734 |
| Median home value | $594,300 (±$32,619) | $464,600 (±$4,368) | $419,900 (±$1,385) | $332,700 |
| Median real estate taxes (a year) | $5,136 (±$352) | $4,584 (±$51) | $4,093 (±$21) | $3,119 |
| Built before 1980 | 40.9% (±7.2 points) | 34.5% (±1.2 points) | 51.2% (±0.4 points) | 49.7% |
| Average commute | 34.6 minutes (±2.5) | 33.1 minutes (±0.7) | 31.1 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 97.3% (±1.5 points) | 93.2% (±0.7 points) | 92.4% (±0.2 points) | 91.0% |
| Median age of residents | 40.9 years (±1.6) | 39.0 years (±0.2) | 39.4 years (±0.1) | 38.9 years |
Green Valley covers 17.1 square miles of land, about 796 residents per square mile (Census Bureau Gazetteer).
Crime reported to police in Frederick County
Green Valley has no police department of its own in the FBI’s figures, so this is the figure for Frederick County as a whole.
In 2025, the police departments that report for Frederick County recorded 195 violent and 916 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
ZIP codes in Green Valley
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 21770 | 60% | 8,751 | — | $632,500 | $183,571 |
| 21754 | 12% | 8,156 | $1,745 | $647,300 | $182,188 |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Green Valley
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Monrovia | 2.2 mi | — | $805,100 | 1.7% |
| New Market | 3.9 mi | $2,136 | $639,100 | 3.4% |
| Mount Airy | 5.1 mi | $1,854 | $487,400 | 5.6% |
| Damascus | 5.4 mi | $1,792 | $528,400 | 9.9% |
| Urbana | 5.5 mi | $2,649 | $640,100 | 19.7% |
| Linganore | 5.9 mi | $2,523 | $533,500 | 6.6% |
| Bartonsville | 6.8 mi | $1,609 | $621,800 | 5.1% |
| Spring Ridge | 6.9 mi | $1,667 | $489,000 | 12.6% |
Places in Maryland most like Green Valley
| Place | Median gross rent | Median home value | Median household income | Households that rent |
|---|---|---|---|---|
| Mayo | $2,372 | $604,900 | $155,300 | 9.2% |
| Shady Side | $2,490 | $503,500 | $153,661 | 11.1% |
| Olney | $2,404 | $656,600 | $171,458 | 10.8% |
| Fort Washington | $2,690 | $480,100 | $143,333 | 8.7% |
| Fallston | $2,268 | $562,300 | $154,688 | 2.8% |
| Annapolis Neck | $2,489 | $739,100 | $173,879 | 11.7% |
Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across Maryland.
HUD Fair Market Rent for Green Valley, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $2,111 | $2,204 | $2,438 | $3,107 | $3,658 |
HUD also publishes a Small Area Fair Market Rent for each ZIP code in the area; the Fair Market Rent page for this place lists its ZIP codes.
HUD income limits for Green Valley, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $34,900 | $58,150 | $74,800 |
| 2 people | $39,900 | $66,450 | $85,450 |
| 3 people | $44,900 | $74,750 | $96,150 |
| 4 people | $49,850 | $83,050 | $106,800 |
| 5 people | $53,850 | $89,700 | $115,350 |
| 6 people | $57,850 | $96,350 | $123,900 |
| 7 people | $61,850 | $103,000 | $132,450 |
| 8 people | $65,850 | $109,650 | $141,000 |
These are the limits HUD sets for its housing programs in the Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $166,100.
A program can use its own limits; tax-credit and local programs often do.
Green Valley is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Green Valley
What is the median household income in Green Valley?
The median household income in Green Valley is $171,707 (±$16,148) a year (2020–2024 American Community Survey).
What is the average home value in Green Valley, MD?
The Census Bureau publishes the median: $594,300 (±$32,619) for owner-occupied homes in Green Valley (2020–2024 American Community Survey).
What is the average mortgage payment in Green Valley?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Green Valley, MD is $2,866 (±$165) a month, including taxes, insurance and utilities.
How much are property taxes in Green Valley?
The median real estate tax paid by homeowners in Green Valley, MD is $5,136 (±$352) a year (2020–2024 American Community Survey).
How many homes are in Green Valley?
Green Valley, MD has an estimated 4,309 (±353) housing units, occupied and vacant (2020–2024 American Community Survey).
How old are most homes in Green Valley?
40.9% of homes in Green Valley, MD were built before 1980 (2020–2024 American Community Survey).
What ZIP codes are in Green Valley?
The ZIP codes that cover Green Valley are 21770, 21754.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Green Valley CDP, Maryland
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Green Valley CDP, Maryland
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Green Valley CDP, Maryland
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Green Valley CDP, Maryland
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Green Valley CDP, Maryland
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Green Valley CDP, Maryland
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Green Valley CDP, Maryland
- HUD Fair Market Rents, fiscal year 2027: Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area
- HUD Small Area Fair Market Rents, fiscal year 2027
- HUD Income Limits, fiscal year 2026: Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Green Valley CDP, Maryland (place:35412, in state:24).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .