Tall Timbers, MD 20690 ZIP Code Profile

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Tall Timbers, MD

ZIP Code 20690: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Tall Timbers, MD 20690

  • ZIP Code Type: STANDARD
  • County: Saint Marys County
  • Centroid: Latitude 38.166, Longitude -76.543
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 4
  • PO Box Addresses: 28
  • Residential Addresses: 329
    • Multi-Family Addresses: 0
    • Single Family Addresses: 329

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 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.


20690 ZIP Code Map

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Tall Timbers, MD 20690 Data & Demographics (As of July 1, 2017)


Total Population 1,250
Daytime Population: Workers 557
Daytime Population: Residents 661
Total Daytime Population (TDP) 1,218
Ratio TDP/Total Population1 0.97
Population in Households 1,250
Population in Familes 1,018
Population in Group Qrtrs 0
Population Density2 614
Diversity Index3 32


Median Household Income $98,125
Average Household Income $122,722
Per Capita Income $51,249


Total Housing Units 675 (100%)
Owner Occupied HU 392 (58.1%)
Renter Occupied HU 130 (19.3%)
Vacant Housing Units 153 (22.7%)
Median Home Value $439,496
Average Home Value $479,783


Total Households 522
Average Household Size 2.39
Family Households 353
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 2.73% 2.18%
Households 2.61% 2.06%
Families 2.51% 2.01%
Median Household Income   1.54%
Per Capita Income   1.76%

Tall Timbers, MD 20690 - Peer Comparisons by Rank and Percentile

The table below compares 20690 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 # 338 26th
Population Density # 189 59th
Diversity Index # 283 38th
Median Household Income # 132 71st
Per Capita Income # 68 85th

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

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