Arnold, MD Profile: Facts, Map & Data


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Arnold, Maryland - Basic Facts

The Arnold Census Designated Place had a population of 24,456 as of July 1, 2017.

The primary coordinate point for Arnold is located at latitude 39.0432 and longitude -76.505 in Anne Arundel County. The formal boundaries for the Arnold Census Designated Place (see map below) encompass a land area of 10.82 sq. miles and a water area of 2.73 sq. miles. Anne Arundel County is in the Eastern time zone (GMT -5). The elevation is 135 feet.

The Arnold Census Designated Place (GNIS ID: 2389151) 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.

The Arnold Census Designated Place is located within District 5, a minor civil division (MCD) of Anne Arundel County.

Beneath the boundary map are tables with Arnold population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Arnold: Arnolds Store.

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Arnold Census Designated Place, MD Boundary Map

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Boundary Maps: District 5 | Anne Arundel County | Maryland Counties / Independent Cities

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


Total Population 24,456
Daytime Population: Workers 8,227
Daytime Population: Residents 10,788
Total Daytime Population (TDP) 19,015
Ratio TDP/Total Population1 0.78
Population in Households 24,287
Population in Familes 20,867
Population in Group Qrtrs 169
Population Density2 2,261
Diversity Index3 33


Median Household Income $106,805
Average Household Income $131,622
Per Capita Income $47,667


Total Housing Units 9,184 (100%)
Owner Occupied HU 7,334 (79.9%)
Renter Occupied HU 1,474 (16.0%)
Vacant Housing Units 376 ( 4.1%)
Median Home Value $406,846
Average Home Value $496,121


Total Households 8,808
Average Household Size 2.76
Family Households 6,588
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 0.79% 0.86%
Households 0.62% 0.75%
Families 0.52% 0.69%
Median Household Income   1.16%
Per Capita Income   2.03%

Arnold, MD - Peer Comparisons by Rank and Percentile

The table below compares Arnold to the other 518 incorporated cities, towns and CDPs 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 # 56 89th
Population Density # 168 68th
Diversity Index # 285 45th
Median Household Income # 86 84th
Per Capita Income # 73 86th

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

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