LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 21764 sells for about $666,500, or $208 per square foot.

Prices are up +8% from a year ago, so sellers still have some momentum. Homes take about 25 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $2,400 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 21764 — Linwood

Carroll County →Frederick County →spans 2 countiesrefreshed Sep 17, 2026next refresh Oct 17, 2026
Market mood · cautiously optimistic

The Mount Airy housing market shows resilience with a median sale price of $666,500 and a low months-of-supply figure, indicating a tight inventory environment. Prices have seen a steady year-over-year increase, driven by sustained demand from buyers seeking suburban living within commuting distance of major employment hubs. The market remains competitive, with homes selling relatively quickly.

Who this ZIP fits

This area is best suited for families and professionals seeking a suburban lifestyle with access to larger employment hubs, offering a balance of rural character and community amenities.

Parent geography
Linwood · no city intel reportCarroll County →Maryland state →
Median sale price
$666,500
+8% year over year
Corroboration pending — anchor baseline forms on the first refresh cycles
Days on market
25 days
Active listings
67
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
92
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
90
Growth/100

Median prices moved up 8.0% year over year.

90
Liquidity/100

Homes spend a median of 25 days on market with 1.9 months of supply — a fast-moving market.

90
Momentum/100

0% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

96
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 3.2% · poverty 4.0% — a stable, low-distress profile.

Census trends · population flowsACS 2022 5-year estimates
Population change
+0.6%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
9,805

ZCTA 21771, Maryland

Area context
Crime & safety

Crime in the Mount Airy area is generally reported as low, consistent with the suburban and rural character of the region.

Schools & education

The area is served by highly-rated public school systems, with schools in the vicinity generally receiving positive performance marks.

Environmental & hazard

The region faces standard mid-Atlantic climate risks, including potential for severe thunderstorms and winter weather, with flood risk localized to specific low-lying areas.

Growth & development

Mount Airy maintains a steady growth trajectory as a residential hub for commuters, with ongoing development focused on suburban housing and local commercial services.

Taxation

Property taxes are assessed at the county level in Maryland, with rates varying by jurisdiction; Mount Airy residents are subject to both municipal and county-level levies.

Transportation & commute

Residents primarily rely on personal vehicles for commuting, with major highway access providing routes toward employment centers in Frederick and the Baltimore-Washington corridor.

Recreation & amenities

The area features local parks, community sports facilities, and proximity to rural trails, with basic shopping and dining options located within the town center.

Rental market

The rental market is characterized by moderate demand and limited inventory, with rents reflecting the area's desirability as a suburban residential destination.

Economy & employers

The local economy is driven by a mix of small businesses, retail, and a significant population of commuters working in the broader Baltimore-Washington metropolitan area.

Transportation & infrastructure

Transportation is heavily reliant on private vehicle use, with major corridors like MD-27 and I-70 serving as primary arteries for regional travel.

Development pipeline

Development is primarily focused on residential expansion and the maintenance of existing infrastructure to support the growing population.

Special districts

Parcels are subject to standard county-level school and municipal tax districts, with no major special utility districts reported.

Insurance & hazard market

Property insurance premiums are influenced by regional hazard profiles, including standard coverage for wind and storm damage common to Maryland.

Discovery profileACS 2022 5-year estimates
Census profile · ZCTA 21771, Maryland
Population
9,805
Median age
37.8 yrs
Owner-occupancy
85%
Median home value
$642,870
Median gross rent
$2,400
Median household income
$151,324
Median year built
1989
Vacancy rate
3%
Renter share
15%
Owner cost burden
22%
Renter cost burden
35%
Population change
+0.6%
Net migration
0
Work-from-home share
25%
Mean commute
38 min
Bachelor's or higher
45%
Unemployment
3.2%
Poverty rate
4%
Avg household size
3
White
88%
Hispanic
5%
Black
3%
Asian
2%
Other
2%

Data retrieved from Census Bureau ZCTA-level tables.

Public schools with an address here · 1

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Mount Airy ElementaryElementary7Carroll County Public SchoolsHighly rated local elementary school.
School districts
Carroll County Public SchoolsB+Primary district serving the majority of the ZIP code.
Utilities & services
InternetXfinity/VerizonBroadband availability varies by specific location.
ElectricBGEPrimary utility provider for the region.
Major employers & industries
Local GovernmentPublic AdministrationMajor local employer.
Major amenities · ZIP 21764
Family fun & things to do
4 · 13 mi
Museums, galleries & history
1 · 20 mi
Parks, trails & nature
4 · 13 mi
Lakes, marinas & beaches
1 · 20 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions2 retained amenities
Inside this ZIP
Mount Airy Town Center
Shopping/Dining

The central hub for local retail and community dining.

Watkins Park
Park

A primary community park offering sports fields and recreational space.

Sources · 5 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.