Olney, MD 20832 ZIP Code Profile

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Olney, MD

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ZIP Code 20832: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Olney, MD 20832

  • ZIP Code Type: STANDARD
  • County: Montgomery County
  • Centroid: Latitude 39.149, Longitude -77.074
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 392
  • PO Box Addresses: 0
  • Residential Addresses: 8,834
    • Multi-Family Addresses: 360
    • Single Family Addresses: 8,474

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


20832 ZIP Code Map

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Olney, MD 20832 Data & Demographics (As of July 1, 2017)


Total Population 26,858
Daytime Population: Workers 7,601
Daytime Population: Residents 11,916
Total Daytime Population (TDP) 19,517
Ratio TDP/Total Population1 0.73
Population in Households 26,765
Population in Familes 24,078
Population in Group Qrtrs 93
Population Density2 2,651
Diversity Index3 62


Median Household Income $123,929
Average Household Income $150,771
Per Capita Income $52,054


Total Housing Units 9,353 (100%)
Owner Occupied HU 7,884 (84.3%)
Renter Occupied HU 1,366 (14.6%)
Vacant Housing Units 103 ( 1.1%)
Median Home Value $501,201
Average Home Value $542,643


Total Households 9,250
Average Household Size 2.89
Family Households 7,357
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.09% 1.08%
Households 1.0% 1.0%
Families 0.95% 0.97%
Median Household Income   1.58%
Per Capita Income   2.11%

Olney, MD 20832 - Peer Comparisons by Rank and Percentile

The table below compares 20832 to the other 456 ZIP Codes in Maryland by rank and percentile using July 1, 2017 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 # 94 80th
Population Density # 90 80th
Diversity Index # 81 82nd
Median Household Income # 41 91st
Per Capita Income # 60 87th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.

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