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Allen CDP, MD

ZIP 21810 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 21810

Median Home Value
$233,500
Median Rent
N/A
Affordability Snapshot
$64,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$1,500/mo PITI).

1.8x
Home Price-to-Income Ratio

Below 3x — relatively affordable housing market.

To comfortably buy a median-priced home in ZIP 21810 in Allen CDP, MD, a household would need roughly $64,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,500. That sits below the local median household income ($133,201), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Mostly owner-occupied, low vacancy — stable housing market.

Heating Fuel
Housing Metrics
Owner Occupied
100.0%+53% vs US avg
x
Vacancy Rate
0.0%
x
Broadband Access
100.0%+15% vs US avg
x
4+ Bedrooms
0.0%
x
Built Pre-1939
0.0%
x
Built Post-2014
0.0%
x
Mortgage-Free
72.9%+91% vs US avg
x
$233,500
Home Value
N/A
Rent
1993
Year Built
1997
Moved In

Residents have lived here since ~1997 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached100.0%
  • 1-unit attached0.0%
  • 2-9 units0.0%
  • 10+ units0.0%
  • Mobile home & other0.0%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$233,500
Median rent$-666,666,666
Owner-occupied100.0%
Vacant0.0%
Price-to-income1.8x
Est. income to buy$64,000