ZIP Code 21784 has segments in 2 Counties / Independent Cities (Carroll, Howard).
The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2019, Maps updated: February 1, 2019.
|Population in Households||39,685|
|Population in Familes||35,453|
|Population in Group Qrtrs||1,163|
|Median Household Income||$109,077|
|Average Household Income||$131,317|
|Per Capita Income||$46,200|
|Total Housing Units||14,567 (100%)|
|Owner Occupied HU||11,743 (80.6%)|
|Renter Occupied HU||2,305 (15.8%)|
|Vacant Housing Units||519 ( 3.6%)|
|Median Home Value||$405,353|
|Average Home Value||$453,992|
|Average Household Size||2.82|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.49%|
|Per Capita Income||2.63%|
The table below compares 21784 to the other 448 ZIP Codes in Maryland by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 37||92nd|
|Population Density||# 176||61st|
|Diversity Index||# 333||26th|
|Median Household Income||# 98||78th|
|Per Capita Income||# 120||73rd|
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.