New Windsor, MD · standard
ZIP Code 21776
Carroll County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 5,735
- 63/sq mi Moderate-density area
- $133,409
- Median income Above-median income area
- $461,600
- Median home value Above-median home value
- 38.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
New Windsor pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 6%
- household income, US ZIPs
- Top 15%
- home value, US ZIPs
- 63
- people per sq mi
- 93%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21776 against every reporting US ZIP.
ZIP code 21776 is a mid-sized community (a standard USPS delivery area) in New Windsor, Carroll County, Maryland, home to 5,735 residents across 91.2 square miles, a density of 63 people per square mile, in the New York time zone.
ZIP 21776 skews affluent, with a median household income of $133,409 (17% above the average Maryland ZIP), while per-capita income is $54,829. The poverty rate is 3.7%, with unemployment at 7.7%; those measures add context to the income figure. Median home value is $461,600 (3% above the average Maryland ZIP) and median rent is $1,297; 93.2% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 38.0% of adults hold a bachelor's degree or higher, the median age is 44.1, and the average commute is 43 minutes. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Carroll County, so 21776 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 21776
Top 5 sectors by establishment count in New Windsor, MD
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$54,829
Per Capita Income
3.7%
Poverty Rate
7.7%
Unemployment Rate
42.9 min
Mean Commute Time
How ZIP 21776 ranks among Maryland ZIPs
New Windsor, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$133,409 Top 29% higher than 71% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
2,378housing units
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 ZIP avg
$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 →
ZIP 21776 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21784
Sykesville (21784)
37,941 residents
- 21157
Westminster (21157)
36,920 residents
- 21771
Mount Airy (21771)
29,563 residents
- 21158
Westminster (21158)
20,234 residents
- 21776 5,735
New Windsor (21776)
5,735 residents
- 21791 5,281
Union Bridge (21791)
5,281 residents
- 21762 249
Libertytown (21762)
249 residents
What this shows Among its immediate neighbors, ZIP 21776 ranks #5 by population - useful context the national average alone can't give.
ZIP 21776 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21771
Mount Airy (21771)
$157,302 median income
- 21784
Sykesville (21784)
$139,395 median income
- 21776
New Windsor (21776)
$133,409 median income
- 21158
Westminster (21158)
$109,827 median income
- 21157
Westminster (21157)
$104,966 median income
- 21791
Union Bridge (21791)
$93,015 median income
What this shows By household income, ZIP 21776 ranks #3 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21776, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,735 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Carroll County
Related Areas
Frequently Asked Questions
What county is ZIP code 21776 in?
ZIP code 21776 (New Windsor) is located in Carroll County, Maryland. Carroll County contains multiple ZIP codes, see the full list at /counties/carroll-md.
What is the population of ZIP code 21776?
ZIP code 21776 in New Windsor, MD has a population of 5,735 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21776?
The median household income in ZIP 21776 is $133,409, which is 75% above the national average of $76,288.
What is the average home value in ZIP 21776?
The median home value in ZIP 21776 is $461,600, which is 66% above the national average of $278,155.
What is the demographic makeup of ZIP 21776?
The largest racial group in ZIP 21776 is White at 89.7%. Hispanic or Latino residents make up 3.2% of the population.
How many businesses are in ZIP code 21776?
ZIP code 21776 has 123 business establishments employing approximately 1,211 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21776?
The top industries by establishment count in ZIP 21776 are: Construction (42), Other services (except public administration) (14), Administrative and support and waste management and remediation services (13). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 21776?
According to the FHFA House Price Index, home values in ZIP 21776 decreased by 0.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 136%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21776?
In ZIP code 21776, 68.5% of residents aged 25+ have a high school diploma or higher, and 38.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21776?
The mean commute time for workers in ZIP code 21776 is 42.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21776?
In ZIP code 21776, approximately 93.2% of occupied housing units are owner-occupied and 6.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21776?
The poverty rate in ZIP code 21776 is 3.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 21776's numbers, next.
- See how ZIP 21776 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where New Windsor, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.