Which ZIP code in Montgomery County has the highest share of owner-occupied homes?

20861 (Ashton), at 98.5% (±2.3%), among 37 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the highest homeownership in Montgomery County, MD

These are the 25 ZIP codes in Montgomery County with the highest share of owner-occupied homes, out of 37 with at least 1,000 residents. 20861 (Ashton, 98.5%), 20882 (Gaithersburg, 96.3%) and 20818 (Cabin John, 95.3%) lead the list. There is no single "best" ZIP code in Montgomery County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the highest homeownership in Montgomery County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	20861	Ashton	98.5% ±2.3%	2,890	917	1,049
2	20882	Gaithersburg	96.3% ±2.3%	13,751	4,693	4,737
3	20818	Cabin John	95.3% ±5.7%	1,539	593	684
4	20833	Brookeville	94.8% ±3.4%	7,860	2,568	2,686
5	20837	Poolesville	91.9% ±4.4%	6,699	2,366	2,359
6	20841	Boyds	91.1% ±2.9%	9,969	2,919	3,217
7	20871	Clarksburg	90.6% ±2.0%	30,182	9,347	10,397
8	20854	Potomac	89.4% ±1.8%	50,498	16,751	17,813
9	20872	Damascus	88.9% ±2.7%	13,983	4,659	4,948
10	20860	Sandy Spring	87.2% ±13.0%	2,035	735	886
11	20905	Silver Spring	87.1% ±4.9%	19,004	5,899	5,788
12	20832	Olney	86.9% ±2.9%	25,553	8,411	9,035
13	20853	Rockville	86.0% ±3.8%	31,851	9,692	9,938
14	20816	Bethesda	82.7% ±4.0%	18,140	6,400	6,663
15	20842	Dickerson	82.4% ±5.9%	2,369	802	753
16	20817	Bethesda	81.4% ±2.2%	37,454	13,660	14,986
17	20895	Kensington	78.7% ±3.7%	19,184	6,991	7,524
18	20866	Burtonsville	77.8% ±4.5%	15,986	5,033	5,051
19	20855	Derwood	74.4% ±4.2%	17,279	6,437	6,958
20	20879	Gaithersburg	69.8% ±4.0%	25,264	8,651	9,103
21	20878	Gaithersburg	69.2% ±2.3%	66,115	24,237	25,897
22	20886	Montgomery Village	68.9% ±4.3%	34,718	12,441	12,921
23	20901	Silver Spring	68.1% ±2.4%	36,435	13,114	13,058
24	20876	Germantown	67.4% ±3.5%	26,406	8,783	8,823
25	20906	Silver Spring	66.4% ±2.3%	70,595	25,958	27,180

How we ranked them

Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 37 of 48 qualify.

Which of these to mail, and why

Homeowners make the decisions about roofs, HVAC, lawns, solar and insurance. A high owner share means fewer pieces wasted on renters who can't hire the work.

The top five ZIP codes on this list hold 11,137 households, on 26 carrier routes with 11,515 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 20861 on the EDDM route map

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Frequently asked questions

Which ZIP code in Montgomery County has the highest share of owner-occupied homes?: 20861 (Ashton), at 98.5% (±2.3%), among 37 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.