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: June 1, 2024, Maps updated: May 1, 2024.
POPULATION | |
---|---|
Total Population | 40,962 (100%) |
Population in Households | 39,891 (97.4%) |
Population in Families | 35,289 (86.2%) |
Population in Group Quarters1 | 1,071 ( 2.6%) |
Population Density | 722 |
Diversity Index2 | 38 |
INCOME | |
Median Household Income | $140,835 |
Average Household Income | $179,260 |
% of Income for Mortgage4 | 23% |
Per Capita Income | $63,544 |
Wealth Index5 | 183 |
Socioeconomic Status Index6 | Moderate (64.7) |
HOUSING | |
---|---|
Total HU (Housing Units) | 14,925 (100%) |
Owner Occupied HU | 12,596 (84.4%) |
Renter Occupied HU | 1,917 (12.8%) |
Vacant Housing Units | 412 ( 2.8%) |
Median Home Value | $508,929 |
Average Home Value | $558,008 |
Housing Affordability Index3 | 108 |
HOUSEHOLDS | |
Total Households | 14,513 |
Average Household Size | 2.75 |
Family Households | 10,996 |
Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2024 | 2024-2029 |
---|---|---|
Population | 0.48% | 0.30% |
Households | 0.61% | 0.58% |
Families | 0.53% | |
Median Household Income | 2.21% | |
Per Capita Income | 2.76% | |
Owner Occupied HU | 0.82% |
The table below compares 21784 to the other 458 ZIP Codes in Maryland by rank and percentile using July 1, 2024 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 | # 41 | 91st |
Population Density | # 180 | 61st |
Median Household Income | # 87 | 81st |
Housing Affordability Index | # 407 | 89th |
Per Capita Income | # 120 | 74th |
Diversity Index | # 300 | 35th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.