NEIGHBORSCORE

Gaithersburg, Maryland · ZIP 20877

Gaithersburg — ZIP 20877

Crime DataSchools

Gaithersburg (20877) scores 73/100 — Good for Gaithersburg. Safety: Lower reported-crime rate under the available data tier. Schools: Lower reported proficiency or limited grade-band coverage. A premium market - pricier than most of the state. The typical home value here is $484K.

73OUT OF 100

Overall NeighborScore

B-Good

Tap a tab to compare 20877 against its city, state, or the nation.

Lower reported-crime rate under the available data tier.

Safety index95/100
Violent crime share17%
Property crime share83%

Lower reported proficiency or limited grade-band coverage.

School index49/100
Avg math proficiency13%
Avg reading proficiency31%
Schools nearby10

A premium market - pricier than most of the state.

Affordability index48/100
Typical home value$484K
Median rent$2,022/mo

How this score is calculated: the NeighborScore composite weights crime 53% and schools 47%, each normalized to the local area. Home affordability is shown for context and is not factored into the overall score. Sources & methodology →

Last refreshed — Schools: Aug 2026 · Real estate: Aug 2026 · Demographics: Jun 2026

Nearby Neighborhoods

Not the right fit? See how adjacent ZIPs score — tap to jump over.

Washington Grove, MarylandWashington GroveZIP 20880
54▼19 vs here
Gaithersburg, MarylandGaithersburgZIP 20879
71▼2 vs here
Derwood, MarylandDerwoodZIP 20855
55▼18 vs here
Montgomery Village, MarylandMontgomery VillageZIP 20886
41▼32 vs here

More ZIPs in Gaithersburg

Gaithersburg, MarylandGaithersburgZIP 20882
72▼1 vs here
Gaithersburg, MarylandGaithersburgZIP 20879
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Gaithersburg, MarylandGaithersburgZIP 20878
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Real Estate Snapshot

Typical Home Value

$484K

Median Rent

$2,022/mo

Days on Market

—

Sale-to-List

—

Typical Home Value — 23 Months

Median Rent — 24 Months

Crime Overview

Total Incidents

18,748

Violent Crime

1,875

Property Crime

16,873

Crime statistics for this area are estimated from FBI-reported county-level data for Montgomery County, Maryland (2025). This ZIP does not yet have city-specific monthly crime data, so figures reflect the entire county rather than this ZIP alone.

Full Crime Report →

Nearby Schools

Grades
Gaithersburg High09–122,441
23%
48%
Rosemont ElementaryPK–05564
21%
31%
Summit Hall ElementaryPK–05413
14%
22%
Washington Grove ElementaryPK–05480
12%
37%
South Lake ElementaryPK–05746
11%
22%
Gaithersburg ElementaryPK–05603
11%
22%
Shady Grove Middle06–08514
11%
44%
Gaithersburg Middle06–08869
7%
28%
Forest Oak Middle06–08828
5%
28%
Harriet R. Tubman ElementaryPK–05571Not reportedNot reported

Directory and latest enrollment: NCES Common Core of Data (SY 2024–25 where reported). Proficiency: U.S. Department of Education EDFacts SY 2021–22; state standards are not directly comparable.

Note: schools marked “Not reported” (often small or specialized programs) lack state proficiency data and aren't included in the Schools score.

Full School Report →

Demographics

Population

39,068

Median Income

$93K

Homeownership

43%

Median Age

36.8 yrs

Source: US Census Bureau ACS 5-Year Estimates (2024).

Map

Frequently Asked Questions

ZIP 20877 has a reported-crime score of 95/100. A higher score represents a lower reported-crime rate under the best available data tier for this ZIP; it is not a guarantee of safety. Review the crime report and current local police data before making a decision.
ZIP 20877 has a school score of 49/100. The index combines reported SY 2021–22 math and reading proficiency with grade-band coverage. Nearby or county-level estimates may be used where ZIP-level reporting is sparse, and state assessment standards are not directly comparable.
The latest home value or sale-price figure available for ZIP 20877 is approximately $484K. The profile identifies the underlying source; Zillow ZHVI is a typical home value measure, while Redfin data is a median sale-price measure. These are different metrics and may lag current listings.
ZIP 20877 in Gaithersburg has an overall NeighborScore of 73/100. It combines the crime score (53%) and school score (47%); affordability is context only. Use the component data and its coverage notes rather than treating the composite as a complete measure of livability.