20899 ZIP Code, Gaithersburg, MD
20899 is a ZIP code in Gaithersburg, Maryland in Montgomery County. It covers 0.1 square miles of land. The closest ZIP codes are 20877, 20880 and 20878. 57 people live here in 57 households, fewer than in most Maryland ZIP codes. With about 538 people per square mile it is lightly settled, and most households rent (0% own). Median household income is $24,417, well below the Maryland median of $103,678; the median age is 62.8, older than most ZIP codes.
Quick facts
- Mailing city: Gaithersburg, MD
- County: Montgomery County
- Land area: 0.1 sq mi
- Population: 57
- Median household income: $24,417
Key figures
| Measure | Value |
|---|---|
| Residents | 57 |
| Households | 57 |
| Median household income | $24,417 |
| Income per person | $27,240 |
| Median age | 62.8 |
| Homeowners | 0.0% |
| Median home value | not published |
| Median rent | $788 |
| Bachelor's degree or higher | 0.0% |
| Average commute (minutes) | not published |
| Households with kids under 18 | 0.0% |
| Moved in the past year | 17.5% |
| Below the poverty line | 0.0% |
| Broadband internet | 26.3% |
| Speak a non-English language at home | 56.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 56.1% |
| $25–35K | 26.3% |
| $35–50K | 17.5% |
| $50–75K | 0.0% |
| $75–100K | 0.0% |
| $100–150K | 0.0% |
| $150–200K | 0.0% |
| $200K+ | 0.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 0.0% |
| 10–19 | 0.0% |
| 20–24 | 0.0% |
| 25–34 | 0.0% |
| 35–44 | 26.3% |
| 45–54 | 0.0% |
| 55–64 | 29.8% |
| 65–74 | 17.5% |
| 75+ | 26.3% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 0.0% |
| Owned outright | 0.0% |
| Rented | 61.3% |
| Vacant | 38.7% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 0.0% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 100.0% |
| Mobile / other | 0.0% |
Businesses in 20899
8 business establishments with 198 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 4
EDDM carrier routes
See every USPS carrier route in 20899 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 20877 — Gaithersburg city, MD (1.3 mi)
- 20880 — Washington Grove town, MD (2.2 mi)
- 20878 — Gaithersburg city, MD (2.9 mi)
- 20886 — Montgomery Village CDP, MD (3.1 mi)
- 20879 — Flower Hill CDP, MD (3.2 mi)
- 20850 — Rockville city, MD (4.3 mi)
- 20876 — Germantown CDP, MD (4.4 mi)
- 20855 — Redland CDP, MD (4.6 mi)
Areas that include 20899
- Gaithersburg, MD ZIP codes — 5 ZIP codes
- Montgomery County ZIP codes — 48 ZIP codes
- Maryland ZIP code data
Mail every home in 20899
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 20899, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 20899 in?
- 20899 is a Gaithersburg, MD mailing address. By land area, 100% lies inside Gaithersburg.
- What county is 20899 in?
- 20899 is in Montgomery County.
- What is the population of 20899?
- About 57 people (±47), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 125.
- What is the median household income in 20899?
- $24,417 (±$3,091), compared with $103,678 for Maryland as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 20899?
- EDDM2GO's stored route library does not include 20899 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 20899?
- The closest, measured center to center: 20877 (1.3 mi, Gaithersburg), 20880 (2.2 mi, Washington Grove), 20878 (2.9 mi, Gaithersburg), 20886 (3.1 mi, Montgomery Village), 20879 (3.2 mi, Flower Hill) and 20850 (4.3 mi, Rockville).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.