21776 ZIP Code — New Windsor, MD

Carroll County, Maryland

ZIP code 21776 is located in New Windsor, Maryland, within Carroll County. It covers approximately 35.45 square miles and serves a population of 6,434 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410/667.

About ZIP code 21776

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $414,300. Owner-occupancy is high at 87%, well above the national average.

Median household income is $106,823. The poverty rate of 6% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21776 reflects a community defined by high homeownership and a significant Social Security-dependent population.

6,434

population

35.45

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21776 ZIP code map

Cities in ZIP code 21776

Below are the cities the US Postal Service accepts for ZIP code 21776. Using any city not on this list may result in mail delivery delays.

City	Status
New Windsor	Preferred

Nearby ZIP codes

21791 Union Bridge (4.6 mi) 21157 Westminster (6.6 mi) 21158 Westminster (9.3 mi) 21757 Keymar (9.6 mi) 21771 Mount Airy (10.1 mi) 21048 Finksburg (10.4 mi) 21798 Woodsboro (10.4 mi) 21787 Taneytown (10.6 mi) 21784 Sykesville (11.1 mi) 21797 Woodbine (11.3 mi) 21774 New Market (11.5 mi) 21793 Walkersville (12.9 mi)

Demographics updated 05/2026

Population
Total population	6,434
Population density	181 / sq mi
State FIPS	24
County FIPS	013

Geography
Land area	35.45 sq mi
Water area	0.12 sq mi
Latitude	39.5148
Longitude	-77.1032
Timezone	Eastern (ET)
Area code	443/410/667

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.0%	23.8%	28.2%
$50k – $100k	30.8%	26.3%	28.2%
$100k – $200k	39.0%	37.1%	30.1%
Over $200k	8.2%	12.8%	13.4%

Demographics & statistics

6,434

Population

181

People per sq mi

40.7

Median age

$106,823

Median household income

$47,053

Per capita income

$414,300

Median home value

$1,336

Median monthly rent

86.9%

Home ownership

5.8%

Poverty rate

5.2%

Unemployment

2,160

Housing units

34.1%

Bachelor's or higher

Age distribution

Male Female

271

Under 5

244

154

5–9

138

162

10–14

146

159

15–19

144

213

20–24

192

468

25–34

422

382

35–44

344

375

45–54

339

301

55–59

271

273

60–64

247

368

65–74

332

176

75–84

159

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,341	20.8%
18 and over	5,093	79.2%
65 and over	1,189	18.5%
Median age	40.7 years

Race & ethnicity

White 89%

Two or more races 3.6%

Black or African American 3.3%

Hispanic or Latino 2.5%

Other race 1%

Asian 0.6%

Group	Count	%
White	5,875	89%
Two or more races	235	3.6%
Black or African American	218	3.3%
Hispanic or Latino	166	2.5%
Other race	68	1%
Asian	38	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.0%	23.8%	28.2%
$50k – $100k	30.8%	26.3%	28.2%
$100k – $200k	39.0%	37.1%	30.1%
Over $200k	8.2%	12.8%	13.4%

Under $10k 3.6%

$10k–$15k 0.3%

$15k–$25k 1.7%

$25k–$35k 2.5%

$35k–$50k 9.5%

$50k–$75k 12.4%

$75k–$100k 15.5%

$100k–$150k 21.6%

$150k–$200k 17.7%

$200k+ 15.2%

Range	% of households
Under $10k	3.6%
$10k–$15k	0.3%
$15k–$25k	1.7%
$25k–$35k	2.5%
$35k–$50k	9.5%
$50k–$75k	12.4%
$75k–$100k	15.5%
$100k–$150k	21.6%
$150k–$200k	17.7%
$200k+	15.2%
Median income	$106,823

Housing

Home values

Under $50k 0.4%

$50k–$100k 0.5%

$100k–$150k 0.8%

$150k–$200k 2.4%

$200k–$300k 13.0%

$300k–$500k 51.4%

$500k–$1M 30.6%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$414,300
Median rent / month	$1,336
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	4.6%
Single-family detached	89.3%
Large apartment buildings	0.8%
Mobile homes	2.2%
Median rooms	7.0
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.6%
2010–2019	5.0%
2000–2009	6.7%
1990–1999	12.7%
1980–1989	22.9%
1970–1979	12.8%
1960–1969	11.5%
1950–1959	3.9%
1940–1949	0.6%
1939 or earlier	23.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.1%
2 bedrooms	12.5%
3 bedrooms	47.1%
4 bedrooms	29.2%
5+ bedrooms	8.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	12.9%
2 vehicles	38.1%
3 or more	47.7%

Heating fuel

Fuel type	%
Utility gas	1.8%
Electricity	55.5%
Propane / LP gas	4.1%
Fuel oil	30.7%
Wood	6.0%
Solar	0.3%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	1,599	67.9%
Cohabiting couple	130	5.5%
Male householder, no spouse	375	15.9%
Female householder, no spouse	251	10.7%
Households with children under 18	778	33.0%
Households with seniors (65+)	806	34.2%
Average household size	2.71

Marital status

Status	Male	Female
Never married	26.6%	19.7%
Married	62.0%	63.2%
Separated	0.0%	0.3%
Widowed	5.7%	8.4%
Divorced	5.6%	8.4%

Education

Less than 9th grade 0.3%

Some HS, no diploma 2.8%

HS graduate 33.0%

Some college, no degree 18.3%

Associate's degree 11.5%

Bachelor's degree 21.4%

Graduate / professional 12.7%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	34.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	142	12.7%
Kindergarten	84	7.5%
Elementary school	386	34.6%
High school	293	26.3%
College / grad school	209	18.8%

Employment

Industry of employment

Education & healthcare 20.8%

Construction 14.5%

Professional & management 12.9%

Other services 8.3%

Public administration 7.9%

Arts, food & hospitality 7.1%

Manufacturing 6.7%

Finance & real estate 6.1%

Retail trade 4.8%

Transportation & utilities 4.0%

Wholesale trade 2.8%

Agriculture & mining 2.1%

Information 2.1%

Occupation

Category	%
Management, business & arts	45.6%
Service	18.9%
Sales & office	15.0%
Natural resources & construction	14.1%
Production & transportation	6.4%

Employment type

Type	%
Private sector	65.6%
Government	20.2%
Self-employed	14.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.7%
Carpool	2.7%
Public transit	0.0%
Walk	0.3%
Work from home	11.1%
Other means	0.2%
Avg commute (minutes)	39.3

Poverty

All people 5.8%

Under 18 years 11.2%

18 and over 4.4%

Married-couple families 0.9%

Female-led households 53.4%

Income support

Source	% of households
Social Security	32.9%
Retirement income	28.3%
Supplemental Security	3.7%
Cash public assistance	0.8%
Food stamps / SNAP	5.7%

Health indicators

Condition	%
Obesity	31.8%
High blood pressure	32.5%
High cholesterol	34.4%
Diabetes	9.0%
Heart disease	5.4%
Stroke	2.6%
Asthma	9.4%
Arthritis	24.5%
Kidney disease	2.5%
Pulmonary disease	5.9%
Cancer	6.6%

Behavior / access	%
Smoking	15.9%
Binge drinking	16.9%
No physical activity	19.8%
Less than 7 hrs sleep	29.1%
Depression	19.1%
Fair or poor health	11.1%
Poor mental health	13.9%
Poor physical health	8.5%
No health insurance	9.1%
Visited doctor (checkup)	76.3%
Visited dentist	67.4%
Cholesterol screening	92.0%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	333	6.6%

Disability	%
Any disability	11.1%
Under 18	2.3%
18–64 years	7.8%
65 and over	31.5%

Health insurance coverage

Type	%
Private insurance	81.6%
Public insurance	30.1%
No insurance	3.5%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,919	92.0%
Spanish	170	2.9%
Other Indo-European	3	0.1%
Asian & Pacific Islander	167	2.8%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,151	95.6%
Born in same state	6,084	94.6%
Born in different state	4,331	67.3%
Foreign born	67	1.0%
Naturalized citizen	283	4.4%
Not a US citizen	105	37.1%

Ancestry

Ancestry	Count	%
Italian	1,198	18.6%
French	988	15.4%
Arab	846	13.1%
English	93	1.4%

Ancestry	Count	%
Dutch	18	0.3%
Polish	10	0.2%
Irish	9	0.1%
Norwegian	8	0.1%

Technology access

Metric	% of households
Computer access	36.6%
Internet access	96.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 21776

What city is ZIP code 21776 in?

ZIP code 21776 is primarily assigned to New Windsor, Maryland.

What county is ZIP code 21776 in?

ZIP code 21776 falls within Carroll County, Maryland.

Is ZIP code 21776 mostly owner-occupied?

87% of occupied units in ZIP code 21776 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 21776?

The median home value in ZIP code 21776 is $414,300.

What is the median household income in ZIP code 21776?

The median household income in ZIP code 21776 is $106,823, above the national median of ~$75,000.

What is the population of ZIP code 21776?

ZIP code 21776 has an estimated population of 6,434 residents, with a density of 181 people per square mile.

What timezone is ZIP code 21776 in?

ZIP code 21776 observes the EST timezone.