ZIP Code 21776
standardSource:
New Windsor · Carroll County · Maryland
- Population
- 5,735
- Median income
- $133,409
- Median home value
- $461,600
- Bachelor's or higher
- 38.0%
- Land area
- 91.2 sq mi
63/sq mi
▲ 75% vs US
higher than 94% of US ZIPs
▲ 66% vs US
higher than 85% of US ZIPs
Median age 44.1
New York
ZIP code 21776 in New Windsor, Maryland has a population of 5,735. The median household income is $133,409, which is 75% above the national average. Median home value is $461,600, 66% above the US average. 38.0% of residents hold a bachelor's degree or higher.
ZIP code 21776 is classified by USPS as a standard delivery area and covers roughly 91.2 square miles in New Windsor, Carroll County, Maryland. The area is home to 5,735 residents, producing a population density of 63 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21776 against Maryland and the nation.
On the economic side, the median household income for ZIP 21776 sits at $133,409 (17% above the Maryland average), while per-capita income is $54,829. The poverty rate stands at 3.7% and the unemployment rate at 7.7%. On housing, the median home value is $461,600 (3% above the state average) with median rent at $1,297 per month, and 93.2% of occupied units are owner-occupied, a direct signal of whether 21776 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.0% of adults hold a bachelor's degree or higher, the median age is 44.1, and the average commute is 43 minutes. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Carroll County, so you can benchmark 21776 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 21776
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21776.
- Construction
Construction
42 establishments
- Other services (except public administration) 14
Other services (except public administration)
14 establishments
- Administrative and support and waste management and remediation services 13
Administrative and support and waste management and remediation services
13 establishments
- Retail trade 10
Retail trade
10 establishments
- Professional, scientific, and technical services 10
Professional, scientific, and technical services
10 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 21776, New Windsor, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
5,735
Population
91.2
Area (sq mi)
63
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21776?
44.1
Median Age
51.3%
Male
48.7%
Female
5.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$133,409
Median Household Income
+17% vs state
$54,829
Per Capita Income
3.7%
Poverty Rate
7.7%
Unemployment Rate
42.9 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
2,378
Total Housing Units
2,346
Occupied Units
32
Vacant Units
2.63
Avg Household Size
Occupancy Type
$461,600
Median Home Value
+3% vs state
$1,297
Median Rent
1983
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-0.0%
YoY Change (2024)
236
HPI Index (2000 = 100)
+136%
Total Change Since 2000
Home values in ZIP 21776 have decreased 0.0% over the past year (2024). Since 2000, this ZIP has seen +136% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.8% | 180 |
| 2021 | +10.7% | 200 |
| 2022 | +8.0% | 216 |
| 2023 | +9.6% | 236 |
| 2024 | -0.0% | 236 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 123 business establishments in ZIP 21776, employing approximately 1,211 people with a combined annual payroll of $73,365,000.
123
Businesses
1,211
Employees
$73.4M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 42 | 34.1% |
| Other services (except public administration) | 14 | 11.4% |
| Administrative and support and waste management and remediation services | 13 | 10.6% |
| Retail trade | 10 | 8.1% |
| Professional, scientific, and technical services | 10 | 8.1% |
| Wholesale trade | 6 | 4.9% |
| Manufacturing | 5 | 4.1% |
| Transportation and warehousing | 5 | 4.1% |
| Real estate and rental and leasing | 4 | 3.3% |
| Health care and social assistance | 3 | 2.4% |
| Accommodation and food services | 3 | 2.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 21776 vs 21791 →
More ZIP Codes in Carroll County
Related Areas
Frequently Asked Questions
What county is ZIP code 21776 in? ▼
What is the population of ZIP code 21776? ▼
What is the median household income in ZIP 21776? ▼
What is the average home value in ZIP 21776? ▼
What is the demographic makeup of ZIP 21776? ▼
How many businesses are in ZIP code 21776? ▼
What are the main industries in ZIP code 21776? ▼
How have home values changed in ZIP code 21776? ▼
What is the education level in ZIP code 21776? ▼
What is the average commute time in ZIP 21776? ▼
What percentage of residents own vs. rent in ZIP 21776? ▼
What is the poverty rate in ZIP code 21776? ▼
ZIP Code Research Guides
Official Data Resources for New Windsor, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.