New Windsor is a town in Carroll County, Maryland, home to about 1,400 people across 0.7 square miles. It has no ZIP code of its own: it’s part of 21776.
Homes sold for a median of $214 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside New Windsor. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up New Windsor’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Baltimore/Washington International Thurgood Marshall Airport (BWI)33 miles away |
|---|---|
| Nearest city of 250,000+ | Baltimore, MD30 miles away |
| Nearest city of 1 million+ | Philadelphia, PA110 miles away |
Straight-line distances from the center of New Windsor; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
New Windsor had 1,441 residents in the 2020 census, up 11% since 2000.
It’s the 305th largest of 527 towns in Maryland by population.
Carroll County grew from 33,860 residents in 1900 to 172,891 in 2020.
Carroll County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 22°F. About 46.8 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Emmitsburg 2 Se, MD weather station (15 miles away).
53,981 jobs at 4,279 businesses in Carroll County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in New Windsor.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 5 |
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Springdale Preparatory SchoolNew Windsor | 6–12 | 114 | Nonsectarian | 2.2 mi |
| Springdale Preparatory SchoolNew Windsor | 6–12 | 121 | Nonsectarian | 2.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.