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: January 1, 2021, Maps updated: November 4, 2020.
POPULATION | |
---|---|
Total Population | 40,241 (100%) |
Population in Households | 39,081 (97.1%) |
Population in Families | 34,729 (86.3%) |
Population in Group Quarters1 | 1,160 ( 2.9%) |
Population Density | 721 |
Diversity Index2 | 27 |
INCOME | |
Median Household Income | $116,606 |
Average Household Income | $143,627 |
% of Income for Mortgage4 | 14% |
Per Capita Income | $50,473 |
Wealth Index5 | 205 |
HOUSING | |
---|---|
Total HU (Housing Units) | 14,439 (100%) |
Owner Occupied HU | 11,711 (81.1%) |
Renter Occupied HU | 2,244 (15.5%) |
Vacant Housing Units | 484 ( 3.4%) |
Median Home Value | $389,490 |
Average Home Value | $424,039 |
Housing Affordability Index3 | 170 |
HOUSEHOLDS | |
Total Households | 13,955 |
Average Household Size | 2.8 |
Family Households | 10,895 |
Average Family Size | 3 |
GROWTH RATE / YEAR | 2010-2020 | 2020-2025 |
---|---|---|
Population | 0.46% | 0.29% |
Households | 0.52% | 0.33% |
Families | 0.43% | 0.27% |
Median Household Income | 1.06% | |
Per Capita Income | 1.74% | |
Owner Occupied HU | 0.4% |
The table below compares 21784 to the other 457 ZIP Codes in Maryland by rank and percentile using July 1, 2020 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 | # 38 | 92nd |
Population Density | # 183 | 60th |
Median Household Income | # 85 | 82nd |
Housing Affordability Index | # 319 | 70th |
Per Capita Income | # 131 | 72nd |
Diversity Index | # 334 | 27th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.