20634 — Great Mills, MD Home Values
Typical home value $375,561 as of June 2026 · 20th of 22 in California-Lexington Park, MD
Blue: typical home value (Zillow ZHVI) in ZIP code 20634, June 2021 to June 2026. This page shows observed data only; no forecast.
How 20634 compares in the California-Lexington Park, MD area
ZIP code 20634 (Great Mills, MD) has a typical home value of $375,561 as of June 2026, ranking 20th of 22 ZIP codes tracked in the California-Lexington Park, MD area, more expensive than about 14% of ZIP codes in the metro. Prices here have moved +1.6% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +17.3%, from $320,152 in June 2021 to $375,561 in June 2026. Against observed rent, the typical home here sells for 14.2× the annual rent ($2,206/mo), a common way to gauge whether buying looks cheap relative to renting in this ZIP code.
Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the California-Lexington Park, MD forecast for a modeled outlook, or browse the full ranked list of ZIP codes in California.
Population and demographics
ZIP code 20634 has a population of 6,976, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 54% White, 33% Black or African American, 5.8% two or more races, 4.4% Hispanic or Latino, 2.3% Asian, and 0.5% another race.
Nearby public schools
| School | Address | Distance |
|---|---|---|
| St. Mary's County Evening High | 20833 Great Mills Road, Lexington Park, MD | 0.2 mi |
| Chesapeake Charter School | 20945 Great Mills Road, Lexington Park, MD | 0.3 mi |
| Great Mills High | 21130 Great Mills Rd, Great Mills, MD | 0.7 mi |
Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.
Frequently asked questions
What is the typical home value in ZIP code 20634?
$375,561 as of June 2026, the latest month Zillow has published observed data for.
Is 20634 an expensive ZIP code in the California-Lexington Park, MD area?
20634 ranks 20th of 22 ZIP codes in the California-Lexington Park, MD area by typical home value, more expensive than about 14% of ZIP codes in the metro.
How much have home values in 20634 changed over the past year?
+1.6% over the trailing 12 months, from observed Zillow data.
Is it cheaper to buy or rent in ZIP code 20634?
The typical home price is 14.2× the observed annual rent in this ZIP code ($2,206/mo). Lower multiples favor buying over renting, all else equal.
What is the population of ZIP code 20634?
6,976, per the US Census Bureau's American Community Survey 5-year estimate.
What are the closest public schools to ZIP code 20634?
St. Mary's County Evening High (0.2 mi), Chesapeake Charter School (0.3 mi), Great Mills High (0.7 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.
Is this page showing a forecast for 20634?
No. Every number on this page is observed Zillow data as of June 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the California-Lexington Park, MD forecast for a modeled outlook.
ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.