Cooksville ZIP Codes — Howard County, MD
There is one unique ZIP code in Cooksville, Maryland and it is 21723. Area code: 443/410/667.
1
ZIP codes
3.61
sq mi land
0.03
sq mi water
443/410/667
area code
Cooksville, MD ZIP code map
ZIP codes for Cooksville, MD (1)
Demographics & statistics
689
Population
52.4
Median age
$250,001
Median household income
$86,282
Per capita income
$852,400
Median home value
$0
Median monthly rent
96.7%
Home ownership
0.0%
Poverty rate
3.8%
Unemployment
232
Housing units
71.5%
Bachelor's or higher
Age distribution
Male
Female
6
Under 5
6
9
5–9
10
15
10–14
15
21
15–19
21
17
20–24
18
49
25–34
49
33
35–44
34
64
45–54
65
52
55–59
53
42
60–64
43
25
65–74
25
8
75–84
9
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 84 | 12.2% |
| 18 and over | 605 | 87.8% |
| 65 and over | 67 | 9.7% |
| Median age | 52.4 years | |
Race & ethnicity
White
50.1%
Asian
47.8%
Black or African American
2.2%
| Group | Count | % |
|---|---|---|
| White | 345 | 50.1% |
| Asian | 329 | 47.8% |
| Black or African American | 15 | 2.2% |
Household income
$25k–$35k
3.3%
$35k–$50k
14.2%
$75k–$100k
14.2%
$150k–$200k
3.3%
$200k+
65.0%
| Range | % of households |
|---|---|
| $25k–$35k | 3.3% |
| $35k–$50k | 14.2% |
| $75k–$100k | 14.2% |
| $150k–$200k | 3.3% |
| $200k+ | 65.0% |
| Median income | $250,001 |
Housing
Home values
$300k–$500k
6.9%
$500k–$1M
75.4%
$1M+
17.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $852,400 |
| Median rent / month | $0 |
| Owner occupied | 96.7% |
| Renter occupied | 3.3% |
| Vacant | 0.0% |
| Single-family detached | 96.7% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 10.0 |
| Avg household size (owned) | 2.94 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.3% |
| 2000–2009 | 47.9% |
| 1990–1999 | 28.3% |
| 1980–1989 | 2.9% |
| 1970–1979 | 7.5% |
| 1960–1969 | 0.0% |
| 1950–1959 | 3.3% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 6.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 3.3% |
| 3 bedrooms | 17.1% |
| 4 bedrooms | 47.5% |
| 5+ bedrooms | 32.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 3.3% |
| 2 vehicles | 45.8% |
| 3 or more | 50.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 42.5% |
| Electricity | 44.6% |
| Propane / LP gas | 3.3% |
| Fuel oil | 9.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 232 | 96.7% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 8 | 3.3% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 50 | 20.8% |
| Households with seniors (65+) | 34 | 14.2% |
| Average household size | 2.87 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 24.6% | 24.4% |
| Married | 75.4% | 75.6% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
14.0%
HS graduate
4.2%
Some college, no degree
10.3%
Associate's degree
0.0%
Bachelor's degree
46.6%
Graduate / professional
24.9%
| Metric | % |
|---|---|
| HS diploma or higher | 86.0% |
| Bachelor's or higher | 71.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 12 | 6.6% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 49 | 27.1% |
| High school | 42 | 23.2% |
| College / grad school | 78 | 43.1% |
Employment
Industry of employment
Professional & management
32.2%
Retail trade
30.7%
Finance & real estate
11.6%
Education & healthcare
9.5%
Arts, food & hospitality
8.3%
Wholesale trade
4.8%
Construction
1.5%
Public administration
1.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 57.5% |
| Service | 15.1% |
| Sales & office | 26.1% |
| Natural resources & construction | 0.0% |
| Production & transportation | 1.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 82.4% |
| Government | 12.2% |
| Self-employed | 5.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.2% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 1.7% |
| Other means | 0.0% |
| Avg commute (minutes) | 38.7 |
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 | 14.2% |
| Retirement income | 7.5% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 29.2% |
| High cholesterol | 32.9% |
| Heart disease | 4.0% |
| Stroke | 2.0% |
| Asthma | 8.5% |
| Arthritis | 19.4% |
| Kidney disease | 2.0% |
| Pulmonary disease | 3.8% |
| Cancer | 5.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 13.6% |
| No physical activity | 16.1% |
| Less than 7 hrs sleep | 31.7% |
| Fair or poor health | 8.0% |
| Poor mental health | 11.5% |
| Poor physical health | 6.3% |
| No health insurance | 7.1% |
| Visited doctor (checkup) | 74.9% |
| Visited dentist | 74.8% |
| Cholesterol screening | 94.2% |
| Teeth loss | 6.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 17 | 2.8% |
| Disability | % |
|---|---|
| Any disability | 6.0% |
| Under 18 | 0.0% |
| 18–64 years | 1.5% |
| 65 and over | 49.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 100.0% |
| Public insurance | 9.7% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 677 | 98.3% |
| Spanish | 32 | 4.7% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 32 | 4.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 443 | 64.3% |
| Born in same state | 443 | 64.3% |
| Born in different state | 286 | 41.5% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 246 | 35.7% |
| Not a US citizen | 197 | 80.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 84 | 12.2% |
| French | 49 | 7.1% |
| German | 25 | 3.6% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 16 | 2.3% |
| Arab | 8 | 1.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 34.8% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.