20158 ZIP Code — Hamilton, VA

Loudoun County, Virginia

ZIP code 20158 is located in Hamilton, Virginia, within Loudoun County. It covers approximately 13.25 square miles and serves a population of 4,886 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 540.

About ZIP code 20158

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 $689,700. Owner-occupancy is high at 83%, well above the national average.

Median household income is $198,027. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 23% of workers work from home.

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

Notable community characteristics include a notable veteran presence at 17% of civilians, above the national average of 7%.

Overall, ZIP code 20158 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

4,886

population

13.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20158 ZIP code map

Cities in ZIP code 20158

Below are the cities the US Postal Service accepts for ZIP code 20158. Using any city not on this list may result in mail delivery delays.

City	Status
Hamilton	Preferred

Nearby ZIP codes

20129 Paeonian Springs (3.3 mi) 20197 Waterford (4 mi) 20132 Purcellville (4.8 mi) 20175 Leesburg (6.6 mi) 20176 Leesburg (7.3 mi) 20141 Round Hill (7.3 mi) 20180 Lovettsville (9 mi) 20117 Middleburg (10.9 mi) 20149 Ashburn (11.1 mi) 21790 Tuscarora (11.4 mi) 25425 Harpers Ferry (11.5 mi) 20147 Ashburn (11.6 mi)

Demographics updated 05/2026

Population
Total population	4,886
Population density	369 / sq mi
State FIPS	51
County FIPS	107

Geography
Land area	13.25 sq mi
Water area	0.07 sq mi
Latitude	39.1395
Longitude	-77.6549
Timezone	Eastern (ET)
Area code	540

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	5.1%	12.4%	32.9%
$50k – $100k	21.1%	18.8%	29.2%
$100k – $200k	37.9%	37.1%	26.3%
Over $200k	36.0%	31.8%	11.6%

Demographics & statistics

4,886

Population

369

People per sq mi

40.6

Median age

$198,027

Median household income

$64,059

Per capita income

$689,700

Median home value

Median monthly rent

83.3%

Home ownership

0.6%

Poverty rate

9.6%

Unemployment

1,288

Housing units

57.8%

Bachelor's or higher

Age distribution

Male Female

173

Under 5

130

157

5–9

117

299

10–14

223

190

15–19

143

275

20–24

205

25–34

503

35–44

377

298

45–54

223

55–59

221

60–64

165

230

65–74

173

186

75–84

140

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,215	24.9%
18 and over	3,671	75.1%
65 and over	861	17.6%
Median age	40.6 years

Race & ethnicity

White 85.2%

Two or more races 7.8%

Hispanic or Latino 2.4%

Asian 2%

Black or African American 1.9%

American Indian / Alaska Native 0.4%

Native Hawaiian / Pacific Islander 0.2%

Other race 0.1%

Group	Count	%
White	4,266	85.2%
Two or more races	390	7.8%
Hispanic or Latino	119	2.4%
Asian	98	2%
Black or African American	96	1.9%
American Indian / Alaska Native	22	0.4%
Native Hawaiian / Pacific Islander	11	0.2%
Other race	3	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	5.1%	12.4%	32.9%
$50k – $100k	21.1%	18.8%	29.2%
$100k – $200k	37.9%	37.1%	26.3%
Over $200k	36.0%	31.8%	11.6%

$10k–$15k 1.7%

$15k–$25k 1.6%

$25k–$35k 2.5%

$35k–$50k 2.1%

$50k–$75k 6.5%

$75k–$100k 9.6%

$100k–$150k 16.9%

$150k–$200k 15.4%

$200k+ 43.6%

Range	% of households
$10k–$15k	1.7%
$15k–$25k	1.6%
$25k–$35k	2.5%
$35k–$50k	2.1%
$50k–$75k	6.5%
$75k–$100k	9.6%
$100k–$150k	16.9%
$150k–$200k	15.4%
$200k+	43.6%
Median income	$198,027

Housing

Home values

Under $50k 1.5%

$50k–$100k 0.2%

$100k–$150k 1.6%

$150k–$200k 0.2%

$200k–$300k 5.3%

$300k–$500k 13.6%

$500k–$1M 59.0%

$1M+ 18.6%

Housing overview

Metric	Value
Median home value	$689,700
Median rent / month	$0
Owner occupied	83.3%
Renter occupied	16.7%
Vacant	2.5%
Single-family detached	89.0%
Large apartment buildings	0.0%
Mobile homes	4.4%
Median rooms	10.0
Avg household size (owned)	3.10

Year built

Era	%
2020 or later	0.0%
2010–2019	13.6%
2000–2009	20.7%
1990–1999	11.0%
1980–1989	13.7%
1970–1979	20.6%
1960–1969	5.6%
1950–1959	4.4%
1940–1949	2.3%
1939 or earlier	8.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.3%
2 bedrooms	2.9%
3 bedrooms	34.4%
4 bedrooms	45.1%
5+ bedrooms	15.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	11.3%
2 vehicles	30.0%
3 or more	58.0%

Heating fuel

Fuel type	%
Utility gas	3.3%
Electricity	50.5%
Propane / LP gas	28.2%
Fuel oil	17.7%
Wood	0.1%
Solar	0.2%

Households & families

Household type	Count	%
Married-couple family	1,063	70.8%
Cohabiting couple	34	2.3%
Male householder, no spouse	143	9.5%
Female householder, no spouse	261	17.4%
Households with children under 18	537	35.8%
Households with seniors (65+)	516	34.4%
Average household size	3.26

Marital status

Status	Male	Female
Never married	32.2%	20.7%
Married	57.4%	60.8%
Separated	0.4%	3.2%
Widowed	2.7%	6.9%
Divorced	7.3%	8.5%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.4%

HS graduate 12.9%

Some college, no degree 20.9%

Associate's degree 5.4%

Bachelor's degree 34.4%

Graduate / professional 23.4%

Metric	%
HS diploma or higher	97.1%
Bachelor's or higher	57.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	99	6.3%
Kindergarten	78	5.0%
Elementary school	529	33.6%
High school	358	22.7%
College / grad school	510	32.4%

Employment

Industry of employment

Professional & management 36.6%

Education & healthcare 18.8%

Construction 9.5%

Arts, food & hospitality 8.5%

Retail trade 6.7%

Public administration 4.8%

Finance & real estate 4.0%

Manufacturing 3.3%

Other services 3.3%

Transportation & utilities 2.3%

Information 1.6%

Wholesale trade 0.5%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	58.1%
Service	15.3%
Sales & office	18.2%
Natural resources & construction	3.8%
Production & transportation	4.5%

Employment type

Type	%
Private sector	75.7%
Government	17.9%
Self-employed	6.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.4%
Carpool	3.3%
Public transit	1.8%
Walk	0.4%
Work from home	23.0%
Other means	0.0%
Avg commute (minutes)	36.2

Poverty

All people 0.6%

Under 18 years 0.0%

18 and over 0.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.2%
Retirement income	31.0%
Supplemental Security	3.6%
Cash public assistance	1.1%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
Obesity	29.7%
High blood pressure	29.2%
High cholesterol	33.5%
Diabetes	8.1%
Heart disease	4.7%
Stroke	2.1%
Asthma	8.7%
Arthritis	23.3%
Kidney disease	2.2%
Pulmonary disease	4.5%
Cancer	6.9%

Behavior / access	%
Smoking	10.8%
Binge drinking	15.8%
No physical activity	14.4%
Less than 7 hrs sleep	30.2%
Depression	17.8%
Fair or poor health	9.0%
Poor mental health	11.1%
Poor physical health	7.0%
No health insurance	8.0%
Visited doctor (checkup)	74.8%
Visited dentist	77.7%
Cholesterol screening	94.2%
Teeth loss	6.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	610	17.2%

Disability	%
Any disability	9.0%
Under 18	4.1%
18–64 years	5.5%
65 and over	26.6%

Health insurance coverage

Type	%
Private insurance	89.9%
Public insurance	20.1%
No insurance	3.5%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,583	93.8%
Spanish	54	1.2%
Other Indo-European	33	0.7%
Asian & Pacific Islander	2	0.0%
Other languages	19	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,716	96.5%
Born in same state	4,579	93.7%
Born in different state	1,843	37.7%
Foreign born	137	2.8%
Naturalized citizen	170	3.5%
Not a US citizen	142	83.5%

Ancestry

Ancestry	Count	%
Italian	882	18.1%
French	773	15.8%
Arab	616	12.6%
Polish	150	3.1%
English	23	0.5%

Ancestry	Count	%
Irish	21	0.4%
German	15	0.3%
Norwegian	8	0.2%
Dutch	3	0.1%

Technology access

Metric	% of households
Computer access	30.7%
Internet access	97.8%

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

Frequently asked questions about ZIP code 20158

What city is ZIP code 20158 in?

ZIP code 20158 is primarily assigned to Hamilton, Virginia.

What county is ZIP code 20158 in?

ZIP code 20158 falls within Loudoun County, Virginia.

How educated is the population of ZIP code 20158?

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 20158 mostly owner-occupied?

83% of occupied units in ZIP code 20158 are owner-occupied, well above the national average.

Does ZIP code 20158 have a large veteran population?

17% of civilians in ZIP code 20158 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20158?

The median household income in ZIP code 20158 is $198,027, above the national median of ~$75,000.

What timezone is ZIP code 20158 in?

ZIP code 20158 observes the EST timezone.