21152 ZIP Code — Sparks Glencoe, MD

Baltimore County, Maryland

ZIP code 21152 is located in Sparks Glencoe, Maryland, within Baltimore County. It covers approximately 24.20 square miles and serves a population of 6,517 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.

About ZIP code 21152

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $500,500. Owner-occupancy sits near the national average at 73%.

The gap between median ($113,711) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 31% 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 25 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 21152 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

6,517

population

24.20

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21152 ZIP code map

Cities in ZIP code 21152

Below are the cities the US Postal Service accepts for ZIP code 21152. Using any city not on this list may result in mail delivery delays.

City	Status
Sparks Glencoe	Acceptable
Sparks Glencoe	Preferred

Nearby ZIP codes

21111 Monkton (5.2 mi) 21155 Upperco (6.6 mi) 21120 Parkton (6.9 mi) 21131 Phoenix (6.9 mi) 21136 Reisterstown (7.5 mi) 21136 Reisterstown (7.5 mi) 21093 Lutherville Timonium (8 mi) 21053 Freeland (9.5 mi) 21161 White Hall (9.7 mi) 21117 Owings Mills (10 mi) 21074 Hampstead (10 mi) 21204 Towson (10.5 mi)

Demographics updated 05/2026

Population
Total population	6,517
Population density	269 / sq mi
State FIPS	24
County FIPS	005

Geography
Land area	24.20 sq mi
Water area	0.08 sq mi
Latitude	39.5483
Longitude	-76.6851
Timezone	Eastern (ET)
Area code	443/410

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.6%	31.4%	28.2%
$50k – $100k	33.9%	30.7%	28.2%
$100k – $200k	25.5%	28.5%	30.1%
Over $200k	21.0%	9.5%	13.4%

Demographics & statistics

6,517

Population

269

People per sq mi

41.9

Median age

$113,711

Median household income

$66,979

Per capita income

$500,500

Median home value

$1,682

Median monthly rent

72.7%

Home ownership

2.3%

Poverty rate

7.5%

Unemployment

2,003

Housing units

57.6%

Bachelor's or higher

Age distribution

Male Female

195

Under 5

251

164

5–9

211

175

10–14

225

161

15–19

207

204

20–24

261

274

25–34

352

363

35–44

465

345

45–54

442

261

55–59

334

194

60–64

250

332

65–74

426

178

75–84

229

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,394	21.4%
18 and over	5,123	78.6%
65 and over	1,183	18.2%
Median age	41.9 years

Race & ethnicity

White 82.1%

Black or African American 7.5%

Asian 5%

Two or more races 2.4%

Hispanic or Latino 1.6%

Other race 1.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	5,436	82.1%
Black or African American	497	7.5%
Asian	333	5%
Two or more races	161	2.4%
Hispanic or Latino	108	1.6%
Other race	77	1.2%
American Indian / Alaska Native	13	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.6%	31.4%	28.2%
$50k – $100k	33.9%	30.7%	28.2%
$100k – $200k	25.5%	28.5%	30.1%
Over $200k	21.0%	9.5%	13.4%

Under $10k 0.6%

$10k–$15k 0.4%

$15k–$25k 1.3%

$25k–$35k 3.5%

$35k–$50k 3.1%

$50k–$75k 18.1%

$75k–$100k 17.0%

$100k–$150k 16.8%

$150k–$200k 14.0%

$200k+ 25.2%

Range	% of households
Under $10k	0.6%
$10k–$15k	0.4%
$15k–$25k	1.3%
$25k–$35k	3.5%
$35k–$50k	3.1%
$50k–$75k	18.1%
$75k–$100k	17.0%
$100k–$150k	16.8%
$150k–$200k	14.0%
$200k+	25.2%
Median income	$113,711

Housing

Home values

Under $50k 0.6%

$50k–$100k 1.2%

$150k–$200k 1.9%

$200k–$300k 12.2%

$300k–$500k 34.2%

$500k–$1M 34.6%

$1M+ 15.5%

Housing overview

Metric	Value
Median home value	$500,500
Median rent / month	$1,682
Owner occupied	72.7%
Renter occupied	27.3%
Vacant	5.0%
Single-family detached	48.9%
Large apartment buildings	0.6%
Mobile homes	0.0%
Median rooms	7.2
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.0%
2010–2019	3.3%
2000–2009	5.6%
1990–1999	12.3%
1980–1989	49.3%
1970–1979	8.7%
1960–1969	5.2%
1950–1959	4.7%
1940–1949	0.8%
1939 or earlier	10.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	5.4%
2 bedrooms	27.7%
3 bedrooms	29.5%
4 bedrooms	28.1%
5+ bedrooms	8.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.5%
1 vehicle	23.6%
2 vehicles	50.9%
3 or more	24.0%

Heating fuel

Fuel type	%
Utility gas	22.5%
Electricity	52.3%
Propane / LP gas	5.2%
Fuel oil	17.9%
Wood	0.5%

Households & families

Household type	Count	%
Married-couple family	1,445	56.2%
Cohabiting couple	182	7.1%
Male householder, no spouse	128	5.0%
Female householder, no spouse	815	31.7%
Households with children under 18	882	34.3%
Households with seniors (65+)	768	29.9%
Average household size	2.52

Marital status

Status	Male	Female
Never married	25.8%	20.5%
Married	64.9%	51.9%
Separated	3.0%	10.0%
Widowed	1.7%	6.5%
Divorced	4.6%	11.1%

Education

Less than 9th grade 0.3%

Some HS, no diploma 0.4%

HS graduate 12.4%

Some college, no degree 15.9%

Associate's degree 13.5%

Bachelor's degree 35.7%

Graduate / professional 21.8%

Metric	%
HS diploma or higher	99.3%
Bachelor's or higher	57.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	172	10.8%
Kindergarten	108	6.8%
Elementary school	604	38.1%
High school	254	16.0%
College / grad school	448	28.2%

Employment

Industry of employment

Education & healthcare 20.6%

Finance & real estate 15.5%

Professional & management 12.5%

Manufacturing 10.3%

Public administration 9.3%

Arts, food & hospitality 8.5%

Other services 6.1%

Retail trade 5.9%

Construction 4.4%

Transportation & utilities 2.4%

Information 2.2%

Wholesale trade 1.8%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	54.2%
Service	16.5%
Sales & office	23.6%
Natural resources & construction	1.5%
Production & transportation	4.2%

Employment type

Type	%
Private sector	83.9%
Government	12.1%
Self-employed	4.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.7%
Carpool	4.2%
Public transit	0.0%
Walk	1.6%
Work from home	19.4%
Other means	0.1%
Avg commute (minutes)	25.2

Poverty

All people 2.3%

Under 18 years 0.5%

18 and over 2.9%

Married-couple families 0.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.0%
Retirement income	25.8%
Supplemental Security	1.6%
Cash public assistance	1.0%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	27.2%
High blood pressure	30.5%
High cholesterol	33.9%
Diabetes	7.3%
Heart disease	4.9%
Stroke	2.2%
Asthma	8.9%
Arthritis	23.5%
Kidney disease	2.3%
Pulmonary disease	4.3%
Cancer	7.4%

Behavior / access	%
Smoking	10.5%
Binge drinking	16.1%
No physical activity	16.3%
Less than 7 hrs sleep	28.6%
Depression	18.3%
Fair or poor health	8.6%
Poor mental health	12.4%
Poor physical health	6.6%
No health insurance	6.6%
Visited doctor (checkup)	76.1%
Visited dentist	74.5%
Cholesterol screening	94.5%
Teeth loss	6.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	211	4.1%

Disability	%
Any disability	8.4%
Under 18	4.2%
18–64 years	4.3%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	90.9%
Public insurance	21.5%
No insurance	1.7%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,071	93.2%
Spanish	206	3.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	86	1.4%
Other languages	120	2.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,029	92.5%
Born in same state	5,885	90.3%
Born in different state	4,057	62.3%
Foreign born	144	2.2%
Naturalized citizen	488	7.5%
Not a US citizen	318	65.2%

Ancestry

Ancestry	Count	%
Italian	1,148	17.6%
Arab	1,108	17%
French	721	11.1%

Ancestry	Count	%
Dutch	22	0.3%
Irish	3	0%
English	2	0%

Technology access

Metric	% of households
Computer access	39.4%
Internet access	98.9%

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

Frequently asked questions about ZIP code 21152

What city is ZIP code 21152 in?

ZIP code 21152 is primarily assigned to Sparks Glencoe, Maryland.

What county is ZIP code 21152 in?

ZIP code 21152 falls within Baltimore County, Maryland.

How educated is the population of ZIP code 21152?

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

What is the typical home value in ZIP code 21152?

The median home value in ZIP code 21152 is $500,500.

What is the median household income in ZIP code 21152?

The median household income in ZIP code 21152 is $113,711, above the national median of ~$75,000.

What is the population of ZIP code 21152?

ZIP code 21152 has an estimated population of 6,517 residents, with a density of 269 people per square mile.

What timezone is ZIP code 21152 in?

ZIP code 21152 observes the EST timezone.