US5.com
  1. Home
  2. States
  3. Maryland
  4. ZIP 20851
  5. People & Community
Rockville city, MD

ZIP 20851 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 20851

20851 has a population of 14,660 with a median age of 38.6 yrs (49.5% male).

Race & Ethnicity
White
33.0%-46% vs US avg
x
Black
11.8%-5% vs US avg
x
Asian
14.1%+138% vs US avg
x
Hispanic
42.2%+126% vs US avg
x
Age Groups
0–17
19.9%-9% vs US avg
x
18–64
68.0%+10% vs US avg
x
65+
12.1%-26% vs US avg
x
Education
Less than HS
15.4%+38% vs US avg
x
High school
23.3%-11% vs US avg
x
Some college
19.9%-31% vs US avg
x
Bachelor's+
41.4%+23% vs US avg
x
Marital Status
Married
48.5%+1% vs US avg
x
Never married
37.9%+12% vs US avg
x
Divorced
8.9%-14% vs US avg
x
Widowed / Separated
4.8%
x
Diversity Index
68/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
9.2%-20% vs US avg
x
Foreign Born
30.5%+119% vs US avg
x
Veterans
3.9%-36% vs US avg
x
Disability
7.9%-41% vs US avg
x
Single Parent
11.1%+37% vs US avg
x
Recent Births
21.8%+275% vs US avg
x
Top ancestry
EnglishGermanIrish

Health & Community Indicators in 20851

Poverty Rate
9.2%-20% vs US avg
x
Veterans
3.9%-36% vs US avg
x
Foreign Born
30.5%+119% vs US avg
x
Single Parent
11.1%+37% vs US avg
x
Disability
7.9%-41% vs US avg
x
Uninsured
10.0%+25% vs US avg
x
SNAP Benefits
12.1%+3% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
21.8%+275% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population14,660
Median age38.6
Poverty rate9.2%
Demographics statistics
Demographics
White33.0%
Hispanic42.2%
Black11.8%
Asian14.1%
Foreign-born30.5%