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: July 1, 2023, Maps updated: May 3, 2023.
POPULATION | |
---|---|
Total Population | 41,983 (100%) |
Population in Households | 40,916 (97.5%) |
Population in Families | 36,337 (86.6%) |
Population in Group Quarters1 | 1,067 ( 2.5%) |
Population Density | 749 |
Diversity Index2 | 37 |
INCOME | |
Median Household Income | $136,876 |
Average Household Income | $180,282 |
% of Income for Mortgage4 | 21% |
Per Capita Income | $63,641 |
Wealth Index5 | 230 |
Socioeconomic Status Index6 | Moderate (63.2) |
HOUSING | |
---|---|
Total HU (Housing Units) | 15,305 (100%) |
Owner Occupied HU | 13,180 (86.1%) |
Renter Occupied HU | 1,632 (10.7%) |
Vacant Housing Units | 493 ( 3.2%) |
Median Home Value | $470,705 |
Average Home Value | $519,154 |
Housing Affordability Index3 | 117 |
HOUSEHOLDS | |
Total Households | 14,812 |
Average Household Size | 2.76 |
Family Households | 11,392 |
Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2023 | 2023-2028 |
---|---|---|
Population | 0.44% | 0.21% |
Households | 0.57% | 0.44% |
Families | 0.41% | |
Median Household Income | 2.24% | |
Per Capita Income | 2.32% | |
Owner Occupied HU | 0.50% |
The table below compares 21784 to the other 458 ZIP Codes in Maryland by rank and percentile using July 1, 2023 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.
Variable Description | Rank | Percentile |
---|---|---|
Total Population | # 39 | 92nd |
Population Density | # 179 | 61st |
Median Household Income | # 78 | 83rd |
Housing Affordability Index | # 392 | 86th |
Per Capita Income | # 103 | 78th |
Diversity Index | # 307 | 33rd |
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.