Also See: Olney, MD ZIP Codes & ZIP Code Maps
The Olney CDP(1) had a population of 35,667 as of July 1, 2021. Olney ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Maryland. See peer rankings below.
The primary coordinate point for Olney is located at latitude 39.1532 and longitude -77.0669 in Montgomery County. The formal boundaries for the Olney Census Designated Place encompass a land area of 16.2 sq. miles and a water area of 0.05 sq. miles. Montgomery County is in the Eastern time zone (GMT -5). The elevation is 541 feet.
The Olney Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
Alternate Unofficial Names for Olney: Fair Hill, Machanicsville, Mechanicsville.
|Total Population||35,667 (100%)|
|Population in Households||35,512 (99.6%)|
|Population in Families||32,234 (90.4%)|
|Population in Group Quarters1||155 ( 0.4%)|
|Median Household Income||$151,387|
|Average Household Income||$190,397|
|% of Income for Mortgage4||16%|
|Per Capita Income||$65,494|
|Total HU (Housing Units)||12,560 (100%)|
|Owner Occupied HU||10,911 (86.9%)|
|Renter Occupied HU||1,369 (10.9%)|
|Vacant Housing Units||280 ( 2.2%)|
|Median Home Value||$565,618|
|Average Home Value||$589,957|
|Housing Affordability Index3||148|
|Average Household Size||2.89|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.98%|
|Per Capita Income||2.49%|
|Owner Occupied HU||0.63%|
The table below compares Olney to the other 518 incorporated cities, towns and CDPs in Maryland by rank and percentile using July 1, 2021 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||# 29||95th|
|Population Density||# 176||66th|
|Median Household Income||# 36||93rd|
|Housing Affordability Index||# 252||49th|
|Per Capita Income||# 39||93rd|
|Diversity Index||# 104||80th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.