ZIP 21774 vs ZIP 21770
Source:
New Market, MD — Monrovia, MD
This side-by-side compares ZIP 21774 (New Market, MD) and ZIP 21770 (Monrovia, MD) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 21774 has a population of 11,662 at 313 people per square mile, while ZIP 21770 has 5,164 at 181 per square mile. That difference in population size and density alone reshapes how every other metric should be interpreted — a higher-income ZIP with 1,200 residents behaves very differently from one with 45,000.
On income and education, ZIP 21774 reports a median household income of $171,103 against $183,571 in ZIP 21770, with per-capita income of $59,972 vs $58,954. The share of adults holding a bachelor's degree or higher is 61.6% in 21774 and 54.8% in 21770. Poverty rate reads 2.2% vs 1.5%, and unemployment 2.4% vs 2.7% — these four fields alone drive most of the difference in the scorecard grades you will see for each ZIP.
Housing separates these two ZIPs further: median home value sits at $541,000 in 21774 versus $632,500 in 21770, with median rent of $2,494 and — per month respectively. Homeownership rate is 93.5% vs 98.8%. When reading the comparison table below, focus on paired metrics rather than single winners — a ZIP with lower home values and lower income is not strictly "worse" if rent-to-income ratios and commute times land in the same zone. Every value is pulled from the exact same ACS table so the two columns are genuinely comparable.
Compare different ZIP codes:
| Metric | 21774 New Market, MD | 21770 Monrovia, MD |
|---|---|---|
| Population | 11,662 | 5,164 |
| Median Household Income | $171,103 | $183,571 |
| Per Capita Income | $59,972 | $58,954 |
| Median Age | 36.1 | 39.8 |
| Bachelor's Degree or Higher | 61.6% | 54.8% |
| Poverty Rate | 2.2% | 1.5% |
| Unemployment Rate | 2.4% | 2.7% |
| Median Home Value | $541,000 | $632,500 |
| Median Rent (monthly) | $2,494 | — |
| Homeownership Rate | 93.5% | 98.8% |
| Population Density (per sq mi) | 313 | 181 |
Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.
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All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.