ZIP Code 20685 Housing Market
ZIP code 20685 is located in Calvert County, Maryland. Based on the FHFA House Price Index, the most recent annual HPI value is 253.2 (2000 = 100) , with a year-over-year change of +12.43% as of 2025.
📈 20685 HPI Trend
FHFA House Price Index for Five-Digit ZIP Codes (2000 = 100)
📝 Local Market Notes
The housing market in ZIP code 20685, located in Calvert County, Maryland, demonstrates significant momentum, with the FHFA House Price Index reaching 253.2 in 2025. Over the last five years, the area has experienced a robust upward trajectory, rising from an index value of 197.66 in 2021 to the current level. Although a slight dip occurred in 2024, the sharp recovery in 2025 indicates strong underlying demand. This recent performance places the ZIP code well above its historical baseline, reflecting a sustained appreciation cycle that has outpaced broader regional trends. A notable divergence exists between ZIP 20685 and the surrounding geography. The ZIP code’s year-over-year growth of +12.43% significantly exceeds the Calvert County average of +3.99% and the Maryland state average of +0.95%. This disparity suggests that 20685 is functioning as a distinct sub-market, likely driven by specific local amenities or inventory constraints that are not present in neighboring areas such as ZIP 20657, which saw a slight decline of -1.05%. The strong outperformance relative to the state median implies that buyers are prioritizing this specific location over other options in the region. Based on the parent county’s American Community Survey data, which reports a median home value of $460,200 and a median household income of $133,922, ZIP 20685 appears to be an established, owner-occupied community. With an owner occupancy rate of 87.2% in the county, the market is characterized by stability and long-term residency rather than high-volume rental turnover. For prospective buyers, the combination of high local growth and a 7.40% national mortgage rate suggests a competitive environment where affordability is tightening. Residents should anticipate that the premium pricing in 20685 reflects a high-desirability sub-market, where limited inventory continues to support price increases well above the county and state averages.
About This ZIP Code
ZIP code 20685 is one of the most active real estate sub-markets in Calvert County, Maryland. The FHFA House Price Index tracks cumulative price appreciation since 2000, providing a consistent measure of long-term value change in this specific ZIP area.
For full county-level context, see the Calvert County Housing Market page, which includes ACS median home values, rent, owner-occupancy, employment, migration, and other economic indicators.
Other Active ZIPs in Calvert County
| ZIP Code | HPI | YoY | Latest Year |
|---|---|---|---|
| 20657 | 236.2 | -1.05% | 2025 |
| 20639 | 246.4 | +5.07% | 2025 |
| 20678 | 233.1 | +0.77% | 2025 |
| 20676 | 243.4 | +7.69% | 2025 |
| 20732 | 262.6 | +0.58% | 2025 |
| 20689 | 205.2 | +7.15% | 2022 |
Data Source: FHFA House Price Index for Five-Digit ZIP Codes (All-Transactions Index, 2000 = 100). Data as of 2025. This product uses FHFA Data but is neither endorsed nor certified by FHFA.