Hunt Valley, MD · standard
ZIP Code 21031
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 4
- 2/sq mi
- 0.0%
- Bachelor's or higher
ZIP code 21031 is a sparsely populated ZIP (a standard USPS delivery area) in Hunt Valley, Baltimore County, Maryland, home to just 4 residents across 2.5 square miles, a density of 2 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 21031, but per-capita income is -. Poverty here runs at 0.0%, with unemployment measured at 0.0%. The typical home here is valued at -; renters pay a median of - monthly, and 0.0% of units are owner-occupied.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is -, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21031 against its immediate geography rather than a national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 21031
Top 5 sectors by establishment count in Hunt Valley, MD
Which industries have the most business establishments in ZIP 21031.
- Finance and insurance
Finance and insurance
85 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
58 establishments
- Administrative and support and waste management and remediation services 25
Administrative and support and waste management and remediation services
25 establishments
- Health care and social assistance 23
Health care and social assistance
23 establishments
- Accommodation and food services 23
Accommodation and food services
23 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21031, Hunt Valley, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
4
Population
2.5
Area (sq mi)
2
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21031?
-
Median Age
0.0%
Male
100.0%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
0.0%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
19
Total Housing Units
19
Occupied Units
0
Vacant Units
1.37
Avg Household Size
Occupancy Type
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 320 business establishments in ZIP 21031, employing approximately 16,462 people with a combined annual payroll of $1,492,986,000.
320
Businesses
16,462
Employees
$1.5B
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Finance and insurance | 85 | 26.6% |
| Professional, scientific, and technical services | 58 | 18.1% |
| Administrative and support and waste management and remediation services | 25 | 7.8% |
| Health care and social assistance | 23 | 7.2% |
| Accommodation and food services | 23 | 7.2% |
| Wholesale trade | 22 | 6.9% |
| Information | 17 | 5.3% |
| Construction | 13 | 4.1% |
| Manufacturing | 11 | 3.4% |
| Other services (except public administration) | 10 | 3.1% |
| Management of companies and enterprises | 9 | 2.8% |
| Real estate and rental and leasing | 8 | 2.5% |
| Retail trade | 7 | 2.2% |
| Educational services | 5 | 1.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 21031 vs 21030 →
ZIP 21031 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21093
Lutherville Timonium (21093)
36,465 residents
- 21209
Baltimore (21209)
26,465 residents
- 21030
Cockeysville (21030)
24,355 residents
- 21204
Towson (21204)
20,253 residents
- 21286
Towson (21286)
19,206 residents
- 21210 14,292
Baltimore (21210)
14,292 residents
- 21131 7,253
Phoenix (21131)
7,253 residents
- 21152 5,544
Sparks Glencoe (21152)
5,544 residents
- 21252 2,872
Towson (21252)
2,872 residents
What this shows Among its immediate neighbors, ZIP 21031 ranks #0 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21030 | Cockeysville, MD | 24,355 | 0.6 mi |
| 21093 | Lutherville Timonium, MD | 36,465 | 3.4 mi |
| 21152 | Sparks Glencoe, MD | 5,544 | 4.4 mi |
| 21131 | Phoenix, MD | 7,253 | 4.6 mi |
| 21204 | Towson, MD | 20,253 | 6.0 mi |
| 21153 | Stevenson, MD | 323 | 5.8 mi |
| 21209 | Baltimore, MD | 26,465 | 7.9 mi |
| 21252 | Towson, MD | 2,872 | 7.0 mi |
| 21210 | Baltimore, MD | 14,292 | 9.0 mi |
| 21286 | Towson, MD | 19,206 | 6.7 mi |
More ZIP Codes in Baltimore County
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Frequently Asked Questions
What county is ZIP code 21031 in? ▼
What is the population of ZIP code 21031? ▼
What is the demographic makeup of ZIP 21031? ▼
How many businesses are in ZIP code 21031? ▼
What are the main industries in ZIP code 21031? ▼
Read our methodology to see how this data is sourced, computed, and verified.