ZIP Code 21797 has segments in 3 Counties / Independent Cities (Carroll, Howard, Montgomery).
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 | 9,258 (100%) |
Population in Households | 9,218 (99.6%) |
Population in Families | 8,400 (90.7%) |
Population in Group Quarters1 | 40 ( 0.4%) |
Population Density | 212 |
Diversity Index2 | 38 |
INCOME | |
Median Household Income | $179,363 |
Average Household Income | $233,340 |
% of Income for Mortgage4 | 26% |
Per Capita Income | $81,038 |
Wealth Index5 | 245 |
Socioeconomic Status Index6 | Moderate (61.9) |
HOUSING | |
---|---|
Total HU (Housing Units) | 3,335 (100%) |
Owner Occupied HU | 2,965 (88.9%) |
Renter Occupied HU | 250 ( 7.5%) |
Vacant Housing Units | 120 ( 3.6%) |
Median Home Value | $734,497 |
Average Home Value | $785,388 |
Housing Affordability Index3 | 93 |
HOUSEHOLDS | |
Total Households | 3,215 |
Average Household Size | 2.87 |
Family Households | 2,648 |
Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2024 | 2024-2029 |
---|---|---|
Population | 0.28% | -0.01% |
Households | 0.47% | 0.18% |
Families | -0.03% | |
Median Household Income | 1.61% | |
Per Capita Income | 2.36% | |
Owner Occupied HU | 0.32% |
The table below compares 21797 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 | # 189 | 59th |
Population Density | # 294 | 36th |
Median Household Income | # 26 | 95th |
Housing Affordability Index | # 269 | 59th |
Per Capita Income | # 35 | 93rd |
Diversity Index | # 302 | 34th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.