21154 ZIP Code — Street, MD

Harford County, Maryland

ZIP code 21154 is located in Street, Maryland, within Harford County. It covers approximately 39.34 square miles and serves a population of 7,059 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410/667.

About ZIP code 21154

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $393,100. Owner-occupancy is high at 90%, well above the national average.

Median household income is $115,000. 39% 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 36 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Overall, ZIP code 21154 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,059

population

39.34

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21154 ZIP code map

Cities in ZIP code 21154

Below are the cities the US Postal Service accepts for ZIP code 21154. Using any city not on this list may result in mail delivery delays.

City	Status
Street	Preferred

Nearby ZIP codes

21132 Pylesville (3.8 mi) 21050 Forest Hill (4.5 mi) 21160 Whiteford (4.8 mi) 21084 Jarrettsville (4.8 mi) 21014 Bel Air (7.7 mi) 21015 Bel Air (8.2 mi) 17321 Fawn Grove (8.5 mi) 21047 Fallston (8.5 mi) 21034 Darlington (8.7 mi) 17314 Delta (8.8 mi) 21028 Churchville (9.3 mi) 17352 New Park (10.2 mi)

Demographics updated 05/2026

Population
Total population	7,059
Population density	179 / sq mi
State FIPS	24
County FIPS	025

Geography
Land area	39.34 sq mi
Water area	0.16 sq mi
Latitude	39.6473
Longitude	-76.3775
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	24.1%	25.4%	28.2%
$50k – $100k	25.2%	28.0%	28.2%
$100k – $200k	33.1%	34.2%	30.1%
Over $200k	17.6%	12.4%	13.4%

Demographics & statistics

7,059

Population

179

People per sq mi

49.4

Median age

$115,000

Median household income

$47,485

Per capita income

$393,100

Median home value

$1,503

Median monthly rent

90.3%

Home ownership

7.5%

Poverty rate

1.9%

Unemployment

2,477

Housing units

32.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

212

5–9

174

251

10–14

206

339

15–19

280

246

20–24

203

263

25–34

217

406

35–44

334

568

45–54

468

423

55–59

349

305

60–64

252

463

65–74

381

272

75–84

224

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,446	20.5%
18 and over	5,613	79.5%
65 and over	1,434	20.3%
Median age	49.4 years

Race & ethnicity

White 93.2%

Black or African American 3.7%

Two or more races 2%

Asian 0.6%

Hispanic or Latino 0.3%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	6,595	93.2%
Black or African American	262	3.7%
Two or more races	143	2%
Asian	40	0.6%
Hispanic or Latino	19	0.3%
Native Hawaiian / Pacific Islander	19	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	25.4%	28.2%
$50k – $100k	25.2%	28.0%	28.2%
$100k – $200k	33.1%	34.2%	30.1%
Over $200k	17.6%	12.4%	13.4%

Under $10k 4.6%

$10k–$15k 1.8%

$15k–$25k 4.7%

$25k–$35k 3.0%

$35k–$50k 6.3%

$50k–$75k 13.6%

$75k–$100k 11.3%

$100k–$150k 15.7%

$150k–$200k 15.1%

$200k+ 24.0%

Range	% of households
Under $10k	4.6%
$10k–$15k	1.8%
$15k–$25k	4.7%
$25k–$35k	3.0%
$35k–$50k	6.3%
$50k–$75k	13.6%
$75k–$100k	11.3%
$100k–$150k	15.7%
$150k–$200k	15.1%
$200k+	24.0%
Median income	$115,000

Housing

Home values

Under $50k 7.2%

$50k–$100k 0.5%

$100k–$150k 1.0%

$150k–$200k 3.7%

$200k–$300k 15.1%

$300k–$500k 38.3%

$500k–$1M 31.7%

$1M+ 2.5%

Housing overview

Metric	Value
Median home value	$393,100
Median rent / month	$1,503
Owner occupied	90.3%
Renter occupied	9.7%
Vacant	12.3%
Single-family detached	84.4%
Large apartment buildings	0.0%
Mobile homes	9.7%
Median rooms	7.0
Avg household size (owned)	2.93

Year built

Era	%
2020 or later	0.0%
2010–2019	7.2%
2000–2009	21.6%
1990–1999	16.2%
1980–1989	19.2%
1970–1979	9.5%
1960–1969	5.1%
1950–1959	4.8%
1940–1949	2.3%
1939 or earlier	14.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	1.4%
2 bedrooms	19.1%
3 bedrooms	45.4%
4 bedrooms	24.0%
5+ bedrooms	9.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	12.6%
2 vehicles	41.1%
3 or more	43.3%

Heating fuel

Fuel type	%
Utility gas	11.4%
Electricity	28.8%
Propane / LP gas	29.8%
Fuel oil	23.1%
Wood	5.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	1,779	74.9%
Cohabiting couple	93	3.9%
Male householder, no spouse	315	13.3%
Female householder, no spouse	189	8.0%
Households with children under 18	705	29.7%
Households with seniors (65+)	906	38.1%
Average household size	2.95

Marital status

Status	Male	Female
Never married	33.8%	22.1%
Married	58.9%	65.4%
Separated	0.6%	0.3%
Widowed	2.0%	7.5%
Divorced	4.7%	4.7%

Education

Less than 9th grade 1.5%

Some HS, no diploma 5.4%

HS graduate 30.6%

Some college, no degree 20.9%

Associate's degree 9.0%

Bachelor's degree 21.3%

Graduate / professional 11.2%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	32.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	24	1.4%
Kindergarten	65	3.7%
Elementary school	692	39.6%
High school	542	31.0%
College / grad school	423	24.2%

Employment

Industry of employment

Education & healthcare 22.0%

Retail trade 15.2%

Construction 14.7%

Professional & management 10.6%

Manufacturing 8.8%

Public administration 6.9%

Arts, food & hospitality 5.3%

Finance & real estate 4.4%

Other services 4.0%

Transportation & utilities 2.6%

Wholesale trade 1.9%

Information 1.9%

Agriculture & mining 1.7%

Occupation

Category	%
Management, business & arts	42.5%
Service	10.9%
Sales & office	27.1%
Natural resources & construction	12.1%
Production & transportation	7.5%

Employment type

Type	%
Private sector	79.0%
Government	16.5%
Self-employed	4.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.2%
Carpool	4.5%
Public transit	1.2%
Walk	0.8%
Work from home	13.3%
Other means	0.0%
Avg commute (minutes)	35.8

Poverty

All people 7.5%

Under 18 years 10.1%

18 and over 6.8%

Married-couple families 1.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.3%
Retirement income	28.8%
Supplemental Security	3.7%
Cash public assistance	3.6%
Food stamps / SNAP	6.9%

Health indicators

Condition	%
Obesity	33.9%
High blood pressure	37.6%
High cholesterol	35.8%
Diabetes	10.5%
Heart disease	7.0%
Stroke	3.2%
Asthma	10.1%
Arthritis	26.8%
Kidney disease	2.9%
Pulmonary disease	7.7%
Cancer	7.2%

Behavior / access	%
Smoking	17.8%
Binge drinking	15.0%
No physical activity	22.7%
Less than 7 hrs sleep	32.3%
Depression	19.8%
Fair or poor health	13.7%
Poor mental health	14.3%
Poor physical health	10.0%
No health insurance	9.8%
Visited doctor (checkup)	78.0%
Visited dentist	64.7%
Cholesterol screening	91.7%
Teeth loss	12.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	493	8.8%

Disability	%
Any disability	13.7%
Under 18	1.0%
18–64 years	11.0%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	35.9%
No insurance	1.2%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,930	98.2%
Spanish	26	0.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	15	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,994	99.1%
Born in same state	6,947	98.4%
Born in different state	5,552	78.7%
Foreign born	47	0.7%
Naturalized citizen	65	0.9%
Not a US citizen	61	93.8%

Ancestry

Ancestry	Count	%
French	1,138	16.1%
Italian	970	13.7%
Arab	705	10%

Ancestry	Count	%
Irish	42	0.6%
Dutch	12	0.2%

Technology access

Metric	% of households
Computer access	33.7%
Internet access	97.1%

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

Frequently asked questions about ZIP code 21154

What city is ZIP code 21154 in?

ZIP code 21154 is primarily assigned to Street, Maryland.

What county is ZIP code 21154 in?

ZIP code 21154 falls within Harford County, Maryland.

Is ZIP code 21154 mostly owner-occupied?

90% of occupied units in ZIP code 21154 are owner-occupied, well above the national average.

Does ZIP code 21154 have a large retiree population?

39% of households in ZIP code 21154 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 21154?

The median home value in ZIP code 21154 is $393,100.

What is the median household income in ZIP code 21154?

The median household income in ZIP code 21154 is $115,000, above the national median of ~$75,000.

What timezone is ZIP code 21154 in?

ZIP code 21154 observes the EST timezone.