ZIP Code 20861
standardSource:
Ashton · Montgomery County · Maryland
- Population
- 1,875
- Median income
- $163,438
- Median home value
- $852,700
- Bachelor's or higher
- 77.4%
- Land area
- 9.9 sq mi
189/sq mi
▲ 114% vs US
higher than 97% of US ZIPs
▲ 207% vs US
higher than 96% of US ZIPs
Median age 51
New York
ZIP code 20861 in Ashton, Maryland has a population of 1,875. The median household income is $163,438, which is 114% above the national average. Median home value is $852,700, 207% above the US average. 77.4% of residents hold a bachelor's degree or higher.
ZIP code 20861 is classified by USPS as a standard delivery area and covers roughly 9.9 square miles in Ashton, Montgomery County, Maryland. The area is home to 1,875 residents, producing a population density of 189 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 20861 against Maryland and the nation.
On the economic side, the median household income for ZIP 20861 sits at $163,438 (43% above the Maryland average), while per-capita income is $70,654. The poverty rate stands at 6.5% and the unemployment rate at 0.0%. On housing, the median home value is $852,700 (91% above the state average) with median rent at — per month, and 98.5% of occupied units are owner-occupied, a direct signal of whether 20861 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 77.4% of adults hold a bachelor's degree or higher, the median age is 51, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Montgomery County, so you can benchmark 20861 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 20861
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 20861.
- Professional, scientific, and technical services
Professional, scientific, and technical services
13 establishments
- Construction
Construction
10 establishments
- Other services (except public administration)
Other services (except public administration)
9 establishments
- Accommodation and food services
Accommodation and food services
8 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
7 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 20861, Ashton, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
1,875
Population
9.9
Area (sq mi)
189
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20861?
51.0
Median Age
43.2%
Male
56.8%
Female
26.4%
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?
$163,438
Median Household Income
+43% vs state
$70,654
Per Capita Income
6.5%
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?
971
Total Housing Units
917
Occupied Units
54
Vacant Units
3.14
Avg Household Size
Occupancy Type
$852,700
Median Home Value
+91% vs state
1994
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.9%
YoY Change (2023)
218
HPI Index (2000 = 100)
+118%
Total Change Since 2000
Home values in ZIP 20861 have increased 6.9% over the past year (2023). Since 2000, this ZIP has seen +118% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +1.0% | 170 |
| 2020 | +3.5% | 176 |
| 2021 | +7.8% | 190 |
| 2022 | +7.5% | 204 |
| 2023 | +6.9% | 218 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2023. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 70 business establishments in ZIP 20861, employing approximately 586 people with a combined annual payroll of $37,945,000.
70
Businesses
586
Employees
$37.9M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 13 | 18.6% |
| Construction | 10 | 14.3% |
| Other services (except public administration) | 9 | 12.9% |
| Accommodation and food services | 8 | 11.4% |
| Administrative and support and waste management and remediation services | 7 | 10.0% |
| Retail trade | 6 | 8.6% |
| Health care and social assistance | 5 | 7.1% |
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 20861 vs 20860 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20860 | Sandy Spring, MD | 2,396 | 1.7 mi |
| 20905 | Silver Spring, MD | 18,044 | 2.8 mi |
| 20777 | Highland, MD | 3,314 | 2.2 mi |
| 20862 | Brinklow, MD | 343 | 2.4 mi |
| 20868 | Spencerville, MD | 790 | 2.4 mi |
| 20759 | Fulton, MD | 3,355 | 3.7 mi |
| 20832 | Olney, MD | 24,965 | 4.0 mi |
| 21036 | Dayton, MD | 2,114 | 5.6 mi |
| 21029 | Clarksville, MD | 11,333 | 4.4 mi |
| 20904 | Silver Spring, MD | 54,612 | 6.0 mi |
More ZIP Codes in Montgomery County
Related Areas
Frequently Asked Questions
What county is ZIP code 20861 in? ▼
What is the population of ZIP code 20861? ▼
What is the median household income in ZIP 20861? ▼
What is the average home value in ZIP 20861? ▼
What is the demographic makeup of ZIP 20861? ▼
How many businesses are in ZIP code 20861? ▼
What are the main industries in ZIP code 20861? ▼
How have home values changed in ZIP code 20861? ▼
What is the education level in ZIP code 20861? ▼
What percentage of residents own vs. rent in ZIP 20861? ▼
What is the poverty rate in ZIP code 20861? ▼
ZIP Code Research Guides
Official Data Resources for Ashton, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.