21161 ZIP Code — White Hall, MD

Harford County, Maryland

ZIP code 21161 is located in White Hall, Maryland, within Harford County. It covers approximately 48.52 square miles and serves a population of 5,625 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.

About ZIP code 21161

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 $426,300. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($109,848) 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.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 40 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.

5,625

population

48.52

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

21161 ZIP code map

Cities in ZIP code 21161

Below are the cities the US Postal Service accepts for ZIP code 21161. Using any city not on this list may result in mail delivery delays.

City	Status
White Hall	Acceptable
White Hall	Preferred

Nearby ZIP codes

21120 Parkton (5.6 mi) 21111 Monkton (5.9 mi) 21084 Jarrettsville (7.1 mi) 17363 Stewartstown (7.5 mi) 21053 Freeland (7.7 mi) 17352 New Park (8.4 mi) 21132 Pylesville (8.7 mi) 17361 Shrewsbury (9.4 mi) 17321 Fawn Grove (9.6 mi) 21152 Sparks Glencoe (9.7 mi) 17349 New Freedom (9.9 mi) 21154 Street (10.6 mi)

Demographics updated 06/2026

Population
Total population	5,625
Population density	116 / sq mi
State FIPS	24
County FIPS	025

Geography
Land area	48.52 sq mi
Water area	0.19 sq mi
Latitude	39.6604
Longitude	-76.5754
Timezone	Eastern (ET)
Area code	443/410

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.0%	25.4%	28.2%
$50k – $100k	35.8%	28.0%	28.2%
$100k – $200k	35.0%	34.2%	30.1%
Over $200k	15.1%	12.4%	13.4%

Demographics & statistics

5,625

Population

116

People per sq mi

46.4

Median age

$109,848

Median household income

$54,205

Per capita income

$426,300

Median home value

$1,309

Median monthly rent

90.7%

Home ownership

4.2%

Poverty rate

2.6%

Unemployment

1,917

Housing units

32.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

119

5–9

129

188

10–14

204

214

15–19

233

241

20–24

261

218

25–34

236

228

35–44

248

445

45–54

484

166

55–59

180

206

60–64

224

441

65–74

480

111

75–84

120

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,047	18.6%
18 and over	4,578	81.4%
65 and over	1,242	22.1%
Median age	46.4 years

Race & ethnicity

White 95.7%

Two or more races 2.9%

Hispanic or Latino 0.5%

Black or African American 0.5%

Asian 0.3%

Group	Count	%
White	5,413	95.7%
Two or more races	165	2.9%
Hispanic or Latino	29	0.5%
Black or African American	28	0.5%
Asian	19	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.0%	25.4%	28.2%
$50k – $100k	35.8%	28.0%	28.2%
$100k – $200k	35.0%	34.2%	30.1%
Over $200k	15.1%	12.4%	13.4%

Under $10k 1.5%

$10k–$15k 1.6%

$15k–$25k 2.6%

$25k–$35k 1.8%

$35k–$50k 5.1%

$50k–$75k 20.6%

$75k–$100k 12.8%

$100k–$150k 21.5%

$150k–$200k 12.3%

$200k+ 20.2%

Range	% of households
Under $10k	1.5%
$10k–$15k	1.6%
$15k–$25k	2.6%
$25k–$35k	1.8%
$35k–$50k	5.1%
$50k–$75k	20.6%
$75k–$100k	12.8%
$100k–$150k	21.5%
$150k–$200k	12.3%
$200k+	20.2%
Median income	$109,848

Housing

Home values

Under $50k 1.4%

$100k–$150k 10.4%

$150k–$200k 1.2%

$200k–$300k 14.1%

$300k–$500k 40.1%

$500k–$1M 29.5%

$1M+ 3.2%

Housing overview

Metric	Value
Median home value	$426,300
Median rent / month	$1,309
Owner occupied	90.7%
Renter occupied	9.3%
Vacant	4.5%
Single-family detached	95.9%
Large apartment buildings	0.0%
Mobile homes	1.6%
Median rooms	7.9
Avg household size (owned)	2.81

Year built

Era	%
2020 or later	1.2%
2010–2019	1.5%
2000–2009	7.5%
1990–1999	8.5%
1980–1989	20.6%
1970–1979	24.9%
1960–1969	10.0%
1950–1959	7.4%
1940–1949	1.8%
1939 or earlier	16.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	3.6%
2 bedrooms	10.8%
3 bedrooms	45.6%
4 bedrooms	26.6%
5+ bedrooms	12.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.4%
1 vehicle	16.3%
2 vehicles	34.8%
3 or more	47.5%

Heating fuel

Fuel type	%
Utility gas	2.5%
Electricity	35.6%
Propane / LP gas	16.3%
Fuel oil	36.6%
Wood	8.6%
Solar	0.4%

Households & families

Household type	Count	%
Married-couple family	1,255	62.5%
Cohabiting couple	97	4.8%
Male householder, no spouse	157	7.8%
Female householder, no spouse	499	24.9%
Households with children under 18	573	28.5%
Households with seniors (65+)	877	43.7%
Average household size	2.78

Marital status

Status	Male	Female
Never married	30.0%	25.6%
Married	58.2%	53.3%
Separated	0.4%	1.9%
Widowed	1.4%	8.6%
Divorced	10.0%	10.7%

Education

Less than 9th grade 0.0%

Some HS, no diploma 6.3%

HS graduate 34.0%

Some college, no degree 13.9%

Associate's degree 13.1%

Bachelor's degree 18.5%

Graduate / professional 14.2%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	32.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	62	4.4%
Kindergarten	23	1.6%
Elementary school	528	37.1%
High school	392	27.6%
College / grad school	417	29.3%

Employment

Industry of employment

Education & healthcare 17.4%

Professional & management 15.7%

Construction 13.7%

Retail trade 11.8%

Agriculture & mining 7.2%

Public administration 6.7%

Manufacturing 6.3%

Other services 6.0%

Finance & real estate 4.6%

Arts, food & hospitality 4.1%

Transportation & utilities 2.5%

Information 2.1%

Wholesale trade 2.0%

Occupation

Category	%
Management, business & arts	50.0%
Service	15.0%
Sales & office	18.1%
Natural resources & construction	10.1%
Production & transportation	6.7%

Employment type

Type	%
Private sector	70.6%
Government	12.4%
Self-employed	17.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.8%
Carpool	5.7%
Public transit	0.0%
Walk	0.6%
Work from home	10.6%
Other means	0.4%
Avg commute (minutes)	39.7

Poverty

All people 4.2%

Under 18 years 0.0%

18 and over 5.1%

Married-couple families 1.8%

Female-led households 6.2%

Income support

Source	% of households
Social Security	25.8%
Retirement income	36.1%
Supplemental Security	0.9%
Cash public assistance	1.2%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
Obesity	30.1%
High blood pressure	33.8%
High cholesterol	35.5%
Diabetes	8.5%
Heart disease	5.8%
Stroke	2.5%
Asthma	9.3%
Arthritis	25.2%
Kidney disease	2.5%
Pulmonary disease	5.7%
Cancer	7.5%

Behavior / access	%
Smoking	13.6%
Binge drinking	15.9%
No physical activity	18.5%
Less than 7 hrs sleep	30.0%
Depression	19.0%
Fair or poor health	10.3%
Poor mental health	13.1%
Poor physical health	8.0%
No health insurance	7.8%
Visited doctor (checkup)	77.1%
Visited dentist	71.5%
Cholesterol screening	93.5%
Teeth loss	8.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	199	4.4%

Disability	%
Any disability	9.5%
Under 18	5.8%
18–64 years	6.3%
65 and over	21.1%

Health insurance coverage

Type	%
Private insurance	88.4%
Public insurance	28.3%
No insurance	1.7%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,466	97.2%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,572	99.1%
Born in same state	5,563	98.9%
Born in different state	4,518	80.3%
Foreign born	9	0.2%
Naturalized citizen	53	0.9%
Not a US citizen	53	100.0%

Ancestry

Ancestry	Count	%
Italian	762	13.5%
French	744	13.2%
Arab	563	10%
English	169	3%

Ancestry	Count	%
German	26	0.5%
Norwegian	9	0.2%
Dutch	8	0.1%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	98.2%

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

Frequently asked questions about ZIP code 21161

What city is ZIP code 21161 in?

ZIP code 21161 is primarily assigned to White Hall, Maryland.

What county is ZIP code 21161 in?

ZIP code 21161 falls within Baltimore County, Maryland.

Is ZIP code 21161 mostly owner-occupied?

91% of occupied units in ZIP code 21161 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 21161?

The median home value in ZIP code 21161 is $426,300.

What is the median household income in ZIP code 21161?

The median household income in ZIP code 21161 is $109,848, above the national median of ~$75,000.

What is the population of ZIP code 21161?

ZIP code 21161 has an estimated population of 5,625 residents, with a density of 116 people per square mile.

What timezone is ZIP code 21161 in?

ZIP code 21161 observes the EST timezone.