ZIP 21771 vs ZIP 21770

Side-by-side comparison of 21771 (Mount Airy, Maryland) and 21770 (Monrovia, Maryland).

21771 (Mount Airy, Maryland)21770 (Monrovia, Maryland)

Population & Housing

Population

27,647

4,946

Homeowners

25,675

4,733

Age Distribution

19-24

424

112

25-34

1,817

270

35-44

5,424

821

45-54

12,816

2,376

55-64

2,985

618

65-74

1,382

295

75+

982

159

Income Distribution

Under $15K

320

$15K-$25K

403

$25K-$50K

2,521

389

$50K-$75K

7,428

973

$75K-$100K

6,090

1,558

$100K+

9,140

1,711

Explore These ZIP Codes

ZIP 21771 Details ZIP 21770 Details