21013 ZIP Code — Baldwin, MD

Baltimore County, Maryland

ZIP code 21013 is located in Baldwin, Maryland, within Baltimore County. It covers approximately 15.00 square miles and serves a population of 5,382 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.

About ZIP code 21013

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $555,700. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($161,141) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 34% 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 38 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 21013 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

5,382

population

15.00

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21013 ZIP code map

Cities in ZIP code 21013

Below are the cities the US Postal Service accepts for ZIP code 21013. Using any city not on this list may result in mail delivery delays.

City	Status
Baldwin	Preferred

Nearby ZIP codes

21047 Fallston (2.7 mi) 21082 Hydes (2.8 mi) 21051 Fork (3.1 mi) 21057 Glen Arm (4.8 mi) 21131 Phoenix (4.9 mi) 21087 Kingsville (5.9 mi) 21050 Forest Hill (6.6 mi) 21084 Jarrettsville (6.9 mi) 21014 Bel Air (7.1 mi) 21111 Monkton (7.2 mi) 21156 Upper Falls (7.4 mi) 21128 Perry Hall (7.8 mi)

Demographics updated 05/2026

Population
Total population	5,382
Population density	359 / sq mi
State FIPS	24
County FIPS	005

Geography
Land area	15.00 sq mi
Water area	0.02 sq mi
Latitude	39.5159
Longitude	-76.4834
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	17.4%	31.4%	28.2%
$50k – $100k	14.1%	30.7%	28.2%
$100k – $200k	40.4%	28.5%	30.1%
Over $200k	28.2%	9.5%	13.4%

Demographics & statistics

5,382

Population

359

People per sq mi

45.6

Median age

$161,141

Median household income

$71,894

Per capita income

$555,700

Median home value

$1,135

Median monthly rent

91.2%

Home ownership

3.5%

Poverty rate

0.0%

Unemployment

1,723

Housing units

59.5%

Bachelor's or higher

Age distribution

Male Female

202

Under 5

179

185

5–9

165

112

10–14

220

15–19

196

155

20–24

137

186

25–34

166

347

35–44

309

417

45–54

370

140

55–59

125

224

60–64

199

453

65–74

402

173

75–84

154

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,229	22.8%
18 and over	4,153	77.2%
65 and over	1,249	23.2%
Median age	45.6 years

Race & ethnicity

White 89.9%

Two or more races 3.8%

Hispanic or Latino 2.4%

Black or African American 1.7%

Asian 1.2%

Other race 0.9%

Group	Count	%
White	4,961	89.9%
Two or more races	211	3.8%
Hispanic or Latino	135	2.4%
Black or African American	95	1.7%
Asian	66	1.2%
Other race	49	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	31.4%	28.2%
$50k – $100k	14.1%	30.7%	28.2%
$100k – $200k	40.4%	28.5%	30.1%
Over $200k	28.2%	9.5%	13.4%

Under $10k 2.9%

$10k–$15k 2.1%

$15k–$25k 0.5%

$25k–$35k 4.2%

$35k–$50k 3.6%

$50k–$75k 7.3%

$75k–$100k 7.0%

$100k–$150k 19.5%

$150k–$200k 18.0%

$200k+ 34.8%

Range	% of households
Under $10k	2.9%
$10k–$15k	2.1%
$15k–$25k	0.5%
$25k–$35k	4.2%
$35k–$50k	3.6%
$50k–$75k	7.3%
$75k–$100k	7.0%
$100k–$150k	19.5%
$150k–$200k	18.0%
$200k+	34.8%
Median income	$161,141

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.6%

$100k–$150k 1.4%

$200k–$300k 2.6%

$300k–$500k 34.5%

$500k–$1M 53.0%

$1M+ 7.3%

Housing overview

Metric	Value
Median home value	$555,700
Median rent / month	$1,135
Owner occupied	91.2%
Renter occupied	8.8%
Vacant	2.8%
Single-family detached	98.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.02

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	5.7%
1990–1999	6.7%
1980–1989	31.1%
1970–1979	33.1%
1960–1969	5.4%
1950–1959	6.7%
1940–1949	2.7%
1939 or earlier	5.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.5%
2 bedrooms	1.2%
3 bedrooms	27.8%
4 bedrooms	54.8%
5+ bedrooms	13.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.9%
1 vehicle	13.1%
2 vehicles	46.6%
3 or more	36.4%

Heating fuel

Fuel type	%
Utility gas	4.3%
Electricity	49.9%
Propane / LP gas	11.9%
Fuel oil	30.7%

Households & families

Household type	Count	%
Married-couple family	1,399	76.3%
Cohabiting couple	42	2.3%
Male householder, no spouse	158	8.6%
Female householder, no spouse	234	12.8%
Households with children under 18	651	35.5%
Households with seniors (65+)	731	39.9%
Average household size	2.93

Marital status

Status	Male	Female
Never married	25.1%	21.4%
Married	64.3%	69.7%
Separated	0.9%	0.5%
Widowed	3.4%	5.1%
Divorced	6.3%	3.3%

Education

Less than 9th grade 2.7%

Some HS, no diploma 3.8%

HS graduate 16.6%

Some college, no degree 12.7%

Associate's degree 4.6%

Bachelor's degree 27.9%

Graduate / professional 31.7%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	59.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	157	12.2%
Kindergarten	97	7.5%
Elementary school	400	31.1%
High school	327	25.4%
College / grad school	306	23.8%

Employment

Industry of employment

Education & healthcare 22.7%

Professional & management 14.6%

Finance & real estate 10.5%

Retail trade 9.8%

Construction 9.7%

Manufacturing 9.5%

Other services 9.4%

Transportation & utilities 4.3%

Arts, food & hospitality 3.6%

Public administration 2.7%

Wholesale trade 2.1%

Information 1.2%

Occupation

Category	%
Management, business & arts	55.6%
Service	9.6%
Sales & office	20.8%
Natural resources & construction	6.3%
Production & transportation	7.7%

Employment type

Type	%
Private sector	75.1%
Government	14.0%
Self-employed	10.8%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	59.7%
Carpool	17.1%
Public transit	0.0%
Walk	1.2%
Work from home	19.3%
Other means	2.7%
Avg commute (minutes)	37.9

Poverty

All people 3.5%

Under 18 years 1.7%

18 and over 4.0%

Married-couple families 4.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.8%
Retirement income	35.2%
Supplemental Security	3.1%
Cash public assistance	0.0%
Food stamps / SNAP	0.6%

Health indicators

Condition	%
Obesity	28.0%
High blood pressure	34.4%
High cholesterol	37.0%
Diabetes	8.4%
Heart disease	5.8%
Stroke	2.4%
Asthma	8.8%
Arthritis	26.4%
Kidney disease	2.6%
Pulmonary disease	5.2%
Cancer	8.5%

Behavior / access	%
Smoking	10.9%
Binge drinking	14.8%
No physical activity	17.0%
Less than 7 hrs sleep	27.9%
Depression	17.9%
Fair or poor health	9.3%
Poor mental health	11.8%
Poor physical health	7.3%
No health insurance	6.5%
Visited doctor (checkup)	78.3%
Visited dentist	75.1%
Cholesterol screening	95.0%
Teeth loss	6.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	253	6.1%

Disability	%
Any disability	7.7%
Under 18	1.1%
18–64 years	7.7%
65 and over	14.3%

Health insurance coverage

Type	%
Private insurance	86.8%
Public insurance	27.4%
No insurance	2.1%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,001	92.9%
Spanish	58	1.2%
Other Indo-European	27	0.5%
Asian & Pacific Islander	20	0.4%
Other languages	11	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,241	97.4%
Born in same state	5,223	97.0%
Born in different state	3,954	73.5%
Foreign born	18	0.3%
Naturalized citizen	141	2.6%
Not a US citizen	132	93.6%

Ancestry

Ancestry	Count	%
Italian	1,315	24.4%
French	812	15.1%
Arab	266	4.9%
English	81	1.5%

Ancestry	Count	%
Polish	61	1.1%
Dutch	28	0.5%
Irish	25	0.5%
Norwegian	12	0.2%

Technology access

Metric	% of households
Computer access	34.1%
Internet access	94.8%

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

Frequently asked questions about ZIP code 21013

What city is ZIP code 21013 in?

ZIP code 21013 is primarily assigned to Baldwin, Maryland.

What county is ZIP code 21013 in?

ZIP code 21013 falls within Baltimore County, Maryland.

How educated is the population of ZIP code 21013?

60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 21013 mostly owner-occupied?

91% of occupied units in ZIP code 21013 are owner-occupied, well above the national average.

What is the median household income in ZIP code 21013?

The median household income in ZIP code 21013 is $161,141, above the national median of ~$75,000.

What is the typical home value in ZIP code 21013?

The median home value in ZIP code 21013 is $555,700.

What timezone is ZIP code 21013 in?

ZIP code 21013 observes the EST timezone.