21163 ZIP Code — Woodstock, MD

Howard County, Maryland

ZIP code 21163 is located in Woodstock, Maryland, within Howard County. It covers approximately 13.64 square miles and serves a population of 7,222 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.

About ZIP code 21163

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $557,800. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($123,858) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 37% 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. The average commute of 33 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21163 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

7,222

population

13.64

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21163 ZIP code map

Cities in ZIP code 21163

Below are the cities the US Postal Service accepts for ZIP code 21163. Using any city not on this list may result in mail delivery delays.

City	Status
Woodstock	Acceptable
Woodstock	Preferred

Nearby ZIP codes

21104 Marriottsville (2.5 mi) 21133 Randallstown (3.4 mi) 21244 Windsor Mill (4 mi) 21042 Ellicott City (4.9 mi) 21043 Ellicott City (6.7 mi) 21784 Sykesville (6.9 mi) 21794 West Friendship (7 mi) 21235 Baltimore (7 mi) 21117 Owings Mills (7.2 mi) 21208 Pikesville (7.7 mi) 21207 Gwynn Oak (7.7 mi) 21228 Catonsville (7.8 mi)

Demographics updated 05/2026

Population
Total population	7,222
Population density	529 / sq mi
State FIPS	24
County FIPS	027

Geography
Land area	13.64 sq mi
Water area	0.19 sq mi
Latitude	39.3393
Longitude	-76.8580
Timezone	Eastern (ET)
Area code	410/443

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.8%	17.1%	28.2%
$50k – $100k	18.8%	22.9%	28.2%
$100k – $200k	36.4%	34.8%	30.1%
Over $200k	24.0%	25.2%	13.4%

Demographics & statistics

7,222

Population

529

People per sq mi

46.3

Median age

$123,858

Median household income

$71,578

Per capita income

$557,800

Median home value

$1,441

Median monthly rent

82.0%

Home ownership

7.2%

Poverty rate

3.0%

Unemployment

2,188

Housing units

57.5%

Bachelor's or higher

Age distribution

Male Female

112

Under 5

128

133

5–9

152

291

10–14

334

315

15–19

360

201

20–24

230

313

25–34

358

269

35–44

307

548

45–54

628

243

55–59

279

249

60–64

285

454

65–74

520

159

75–84

182

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,585	21.9%
18 and over	5,637	78.1%
65 and over	1,487	20.6%
Median age	46.3 years

Race & ethnicity

White 43.2%

Asian 23.9%

Black or African American 23.7%

Two or more races 4.7%

Hispanic or Latino 2.4%

Other race 1.9%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	3,194	43.2%
Asian	1,772	23.9%
Black or African American	1,757	23.7%
Two or more races	345	4.7%
Hispanic or Latino	179	2.4%
Other race	141	1.9%
Native Hawaiian / Pacific Islander	13	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.8%	17.1%	28.2%
$50k – $100k	18.8%	22.9%	28.2%
$100k – $200k	36.4%	34.8%	30.1%
Over $200k	24.0%	25.2%	13.4%

Under $10k 1.0%

$15k–$25k 4.6%

$25k–$35k 2.4%

$35k–$50k 10.1%

$50k–$75k 8.8%

$75k–$100k 9.8%

$100k–$150k 22.7%

$150k–$200k 16.8%

$200k+ 23.8%

Range	% of households
Under $10k	1.0%
$15k–$25k	4.6%
$25k–$35k	2.4%
$35k–$50k	10.1%
$50k–$75k	8.8%
$75k–$100k	9.8%
$100k–$150k	22.7%
$150k–$200k	16.8%
$200k+	23.8%
Median income	$123,858

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.6%

$150k–$200k 1.5%

$200k–$300k 7.6%

$300k–$500k 28.6%

$500k–$1M 56.7%

$1M+ 3.9%

Housing overview

Metric	Value
Median home value	$557,800
Median rent / month	$1,441
Owner occupied	82.0%
Renter occupied	18.0%
Vacant	4.3%
Single-family detached	52.0%
Large apartment buildings	7.0%
Mobile homes	1.4%
Median rooms	7.3
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.0%
2010–2019	3.1%
2000–2009	46.7%
1990–1999	27.3%
1980–1989	6.5%
1970–1979	2.5%
1960–1969	3.0%
1950–1959	6.4%
1940–1949	0.9%
1939 or earlier	3.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.4%
2 bedrooms	16.8%
3 bedrooms	31.0%
4 bedrooms	29.5%
5+ bedrooms	17.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	30.8%
2 vehicles	41.1%
3 or more	24.6%

Heating fuel

Fuel type	%
Utility gas	49.7%
Electricity	30.5%
Propane / LP gas	7.5%
Fuel oil	8.8%
Wood	1.5%
Solar	0.4%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,520	60.1%
Cohabiting couple	114	4.5%
Male householder, no spouse	321	12.7%
Female householder, no spouse	576	22.8%
Households with children under 18	850	33.6%
Households with seniors (65+)	992	39.2%
Average household size	2.65

Marital status

Status	Male	Female
Never married	27.7%	36.4%
Married	60.0%	50.5%
Separated	0.2%	0.6%
Widowed	2.4%	7.5%
Divorced	9.7%	5.1%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.9%

HS graduate 18.5%

Some college, no degree 15.4%

Associate's degree 4.9%

Bachelor's degree 24.7%

Graduate / professional 32.7%

Metric	%
HS diploma or higher	96.3%
Bachelor's or higher	57.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	59	3.4%
Kindergarten	46	2.6%
Elementary school	777	44.7%
High school	452	26.0%
College / grad school	404	23.2%

Employment

Industry of employment

Education & healthcare 25.4%

Professional & management 21.0%

Retail trade 9.5%

Arts, food & hospitality 9.2%

Public administration 8.7%

Finance & real estate 8.1%

Manufacturing 5.3%

Construction 4.9%

Transportation & utilities 3.6%

Other services 1.9%

Wholesale trade 1.7%

Information 0.6%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	62.9%
Service	8.3%
Sales & office	19.7%
Natural resources & construction	5.9%
Production & transportation	3.2%

Employment type

Type	%
Private sector	75.4%
Government	22.4%
Self-employed	2.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.9%
Carpool	6.5%
Public transit	2.7%
Walk	1.4%
Work from home	13.3%
Other means	0.3%
Avg commute (minutes)	32.8

Poverty

All people 7.2%

Under 18 years 5.1%

18 and over 7.7%

Married-couple families 1.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.9%
Retirement income	33.0%
Supplemental Security	2.8%
Cash public assistance	1.1%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
Obesity	26.4%
High blood pressure	32.7%
High cholesterol	33.7%
Diabetes	9.0%
Heart disease	4.9%
Stroke	2.4%
Asthma	8.7%
Arthritis	22.1%
Kidney disease	2.4%
Pulmonary disease	4.3%
Cancer	6.8%

Behavior / access	%
Smoking	10.0%
Binge drinking	12.5%
No physical activity	18.3%
Less than 7 hrs sleep	31.5%
Depression	15.4%
Fair or poor health	9.4%
Poor mental health	11.6%
Poor physical health	6.7%
No health insurance	8.0%
Visited doctor (checkup)	77.5%
Visited dentist	72.3%
Cholesterol screening	93.9%
Teeth loss	6.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	548	9.7%

Disability	%
Any disability	6.2%
Under 18	1.4%
18–64 years	4.7%
65 and over	15.4%

Health insurance coverage

Type	%
Private insurance	79.7%
Public insurance	33.2%
No insurance	3.3%
Uninsured under 19	7.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,982	96.7%
Spanish	508	7.3%
Other Indo-European	28	0.4%
Asian & Pacific Islander	107	1.5%
Other languages	372	5.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,780	80.0%
Born in same state	5,703	79.0%
Born in different state	3,332	46.1%
Foreign born	77	1.1%
Naturalized citizen	1,442	20.0%
Not a US citizen	931	64.6%

Ancestry

Ancestry	Count	%
Italian	592	8.2%
French	584	8.1%
Arab	249	3.4%
English	77	1.1%

Ancestry	Count	%
German	44	0.6%
Norwegian	37	0.5%
Polish	23	0.3%
Irish	9	0.1%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	98.0%

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

Frequently asked questions about ZIP code 21163

What city is ZIP code 21163 in?

ZIP code 21163 is primarily assigned to Woodstock, Maryland.

What county is ZIP code 21163 in?

ZIP code 21163 falls within Howard County, Maryland.

How educated is the population of ZIP code 21163?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 21163 mostly owner-occupied?

82% of occupied units in ZIP code 21163 are owner-occupied, well above the national average.

Does ZIP code 21163 have a large retiree population?

37% of households in ZIP code 21163 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 21163?

The median household income in ZIP code 21163 is $123,858, above the national median of ~$75,000.

What timezone is ZIP code 21163 in?

ZIP code 21163 observes the EST timezone.