Burtonsville, MD · standard

ZIP Code 20866

Montgomery County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 13, 2026

13,344
729/sq mi: $140,308
Median income: $446,900
Median home value: 45.1%
Bachelor's or higher

The verdict

Burtonsville pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs: Top 17%
home value, US ZIPs: 729
people per sq mi: 78%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20866 against every reporting US ZIP.

ZIP code 20866 is classified by USPS as a standard delivery area and covers roughly 18.3 square miles in Burtonsville, Montgomery County, Maryland. The area is home to 13,344 residents, producing a population density of 729 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 20866 against Maryland and the nation.

On the economic side, the median household income for ZIP 20866 sits at $140,308 (23% above the Maryland average), while per-capita income is $50,473. The poverty rate stands at 5.6% and the unemployment rate at 6.6%. On housing, the median home value is $446,900 (0% below the state average) with median rent at $2,285 per month, and 77.8% of occupied units are owner-occupied, a direct signal of whether 20866 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 45.1% of adults hold a bachelor's degree or higher, the median age is 39.9, and the average commute is 36 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Montgomery County, so you can benchmark 20866 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 20866

Professional, scientific, and technical services

50
Construction

48
Health care and social assistance

39
Other services (except public administration)

31
Accommodation and food services

30

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 20866, Burtonsville, MD · 2023 Accessed 2026-06-13 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

13,344

Population

18.3

Area (sq mi)

729

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard

Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.

View Scorecard →

Who lives in ZIP 20866?

39.9

Median Age

49.3%

Male

50.7%

Female

37.3%

Foreign-Born

White 18.3%

African American 44.2%

Asian 17.9%

American Indian or Alaska Native 1.3%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 8.2%

Hispanic or Latino 17.3%

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?

$140,308

Median Household Income

+23% vs state

$50,473

Per Capita Income

5.6%

Poverty Rate

6.6%

Unemployment Rate

35.5 min

Mean Commute Time

How ZIP 20866 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$140,308 Top 5% higher than 95% of 30,318 US ZIPs

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 64.5%

Bachelor's Degree or Higher 45.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

5,087

Total Housing Units

5,033

Occupied Units

Vacant Units

3.15

Avg Household Size

Occupancy Type

Owner 77.8%

Renter 22.2%

$446,900

Median Home Value

-0% vs state

$2,285

Median Rent

1985

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

+8.6%

YoY Change (2024)

263

HPI Index (2000 = 100)

+163%

Total Change Since 2000

Home values in ZIP 20866 have increased 8.6% over the past year (2024). Since 2000, this ZIP has seen +163% cumulative appreciation.

Year	Annual Change	HPI Index
2020	+6.2%	201
2021	+5.3%	212
2022	+7.9%	229
2023	+5.6%	242
2024	+8.6%	263

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 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 304 business establishments in ZIP 20866, employing approximately 2,820 people with a combined annual payroll of $145,775,000.

304

Businesses

2,820

Employees

$145.8M

Annual Payroll

Industry Sectors

Industry	Establishments	% of Total
Professional, scientific, and technical services	50	16.4%
Construction	48	15.8%
Health care and social assistance	39	12.8%
Other services (except public administration)	31	10.2%
Accommodation and food services	30	9.9%
Retail trade	26	8.6%
Administrative and support and waste management and remediation services	24	7.9%
Real estate and rental and leasing	22	7.2%
Finance and insurance	11	3.6%
Wholesale trade	9	3.0%
Information	7	2.3%

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 20866 vs 20759 →

20904

54,612
20707

31,538
20723

28,972
20740

28,780
20705

26,188
20905

18,044
20866

13,344
20759

3,355
20777

3,314

What this shows Among its immediate neighbors, ZIP 20866 ranks #7 by population — useful context the national average alone can't give.

20759

$250,001
20777

$226,146
20861

$163,438
20905

$159,740
20868

$143,333
20866

$140,308
20723

$138,113
20705

$110,351
20707

$107,706

What this shows By household income, ZIP 20866 ranks #6 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

ZIP Code	City	Population	Distance
20759	Fulton, MD	3,355	3.1 mi
20868	Spencerville, MD	790	2.2 mi
20905	Silver Spring, MD	18,044	3.2 mi
20707	Laurel, MD	31,538	2.9 mi
20904	Silver Spring, MD	54,612	3.9 mi
20705	Beltsville, MD	26,188	4.6 mi
20723	Laurel, MD	28,972	4.1 mi
20777	Highland, MD	3,314	4.9 mi
20861	Ashton, MD	1,875	4.5 mi
20740	College Park, MD	28,780	7.4 mi

More ZIP Codes in Montgomery County

Montgomery County Burtonsville, MD Maryland

Frequently Asked Questions

What county is ZIP code 20866 in? ▼

ZIP code 20866 (Burtonsville) is located in Montgomery County, Maryland. Montgomery County contains multiple ZIP codes, see the full list at /counties/montgomery-md.

What is the population of ZIP code 20866? ▼

ZIP code 20866 in Burtonsville, MD has a population of 13,344 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 20866? ▼

The median household income in ZIP 20866 is $140,308, which is 84% above the national average of $76,288.

What is the average home value in ZIP 20866? ▼

The median home value in ZIP 20866 is $446,900, which is 61% above the national average of $278,155.

What is the demographic makeup of ZIP 20866? ▼

The largest racial group in ZIP 20866 is African American at 44.2%. Hispanic or Latino residents make up 17.3% of the population.

How many businesses are in ZIP code 20866? ▼

ZIP code 20866 has 304 business establishments employing approximately 2,820 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What are the main industries in ZIP code 20866? ▼

The top industries by establishment count in ZIP 20866 are: Professional, scientific, and technical services (50), Construction (48), Health care and social assistance (39). There are 11 industry sectors represented in total.

How have home values changed in ZIP code 20866? ▼

According to the FHFA House Price Index, home values in ZIP 20866 increased by 8.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 163%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.

What is the education level in ZIP code 20866? ▼

In ZIP code 20866, 64.5% of residents aged 25+ have a high school diploma or higher, and 45.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What is the average commute time in ZIP 20866? ▼

The mean commute time for workers in ZIP code 20866 is 35.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.

What percentage of residents own vs. rent in ZIP 20866? ▼

In ZIP code 20866, approximately 77.8% of occupied housing units are owner-occupied and 22.2% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 20866? ▼

The poverty rate in ZIP code 20866 is 5.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.