21023 ZIP Code — Butler, MD
Baltimore County, Maryland
ZIP code 21023 is located in Butler, Maryland, within Baltimore County. It covers approximately 1.07 square miles and serves a population of 68 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443/410.
68
population
1.07
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21023 ZIP code map
Cities in ZIP code 21023
Below are the cities the US Postal Service accepts for ZIP code 21023. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Butler | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 68 |
| Population density | 64 / sq mi |
| State FIPS | 24 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 1.07 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 39.5354 |
| Longitude | -76.7286 |
| Timezone | Eastern (ET) |
| Area code | 443/410 |
Total population by age
Gender
Race & ethnicity
Demographics & statistics
68
Population
64
People per sq mi
62.7
Median age
$76,131
Median household income
$48,987
Per capita income
$0
Median home value
$0
Median monthly rent
77.1%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
27
Housing units
25.0%
Bachelor's or higher
Age distribution
Male
Female
10
5–9
10
11
60–64
10
7
65–74
6
7
75–84
7
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 20 | 29.4% |
| 18 and over | 48 | 70.6% |
| 65 and over | 27 | 39.7% |
| Median age | 62.7 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 68 | 100% |
Household income
$50k–$75k
22.9%
$75k–$100k
60.0%
$200k+
17.1%
| Range | % of households |
|---|---|
| $50k–$75k | 22.9% |
| $75k–$100k | 60.0% |
| $200k+ | 17.1% |
| Median income | $76,131 |
Housing
Home values
$500k–$1M
77.8%
$1M+
22.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $0 |
| Median rent / month | $0 |
| Owner occupied | 77.1% |
| Renter occupied | 22.9% |
| Vacant | 0.0% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 10.0 |
| Avg household size (owned) | 1.96 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 60.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 0.0% |
| 1960–1969 | 0.0% |
| 1950–1959 | 22.9% |
| 1940–1949 | 17.1% |
| 1939 or earlier | 0.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 0.0% |
| 3 bedrooms | 40.0% |
| 4 bedrooms | 0.0% |
| 5+ bedrooms | 60.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 0.0% |
| 2 vehicles | 100.0% |
| 3 or more | 0.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Propane / LP gas | 60.0% |
| Fuel oil | 40.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 14 | 40.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 21 | 60.0% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 21 | 60.0% |
| Households with seniors (65+) | 14 | 40.0% |
| Average household size | 1.94 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 0.0% |
| Married | 40.0% | 100.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 60.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
16.7%
HS graduate
14.6%
Some college, no degree
0.0%
Associate's degree
43.8%
Bachelor's degree
25.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 83.3% |
| Bachelor's or higher | 25.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 20 | 100.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Other services
85.7%
Education & healthcare
14.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 64.3% |
| Service | 35.7% |
| Sales & office | 0.0% |
| Natural resources & construction | 0.0% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 100.0% |
| Government | 0.0% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 50.0% |
| Carpool | 50.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 40.0% |
| Retirement income | 77.1% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 6 | 12.5% |
| Disability | % |
|---|---|
| Any disability | 0.0% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 60.3% |
| Public insurance | 39.7% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 68 | 100.0% |
| 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) | 68 | 100.0% |
| Born in same state | 68 | 100.0% |
| Born in different state | 6 | 8.8% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 8 | 11.8% |
| Ancestry | Count | % |
|---|---|---|
| English | 7 | 10.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 51.5% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21023
What city is ZIP code 21023 in?
ZIP code 21023 is primarily assigned to Butler, Maryland.
What county is ZIP code 21023 in?
ZIP code 21023 falls within Baltimore County, Maryland.
Does ZIP code 21023 have an older population?
40% of residents in ZIP code 21023 are 65 or older, above the national average of ~17%.
Does ZIP code 21023 have a large retiree population?
40% of households in ZIP code 21023 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 21023 have a large veteran population?
13% of civilians in ZIP code 21023 are veterans, above the national average of ~7%.
What is the population of ZIP code 21023?
ZIP code 21023 has an estimated population of 68 residents, with a density of 64 people per square mile.
What timezone is ZIP code 21023 in?
ZIP code 21023 observes the EST timezone.