Annapolis, IL Profile: Facts, Map & Data


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Annapolis, Illinois - Basic Facts

The Annapolis Census Designated Place had a population of 56 as of July 1, 2017. Annapolis ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Annapolis is located at latitude 39.1454 and longitude -87.8157 in Crawford County. The formal boundaries for the Annapolis Census Designated Place (see map below) encompass a land area of 0.03 sq. miles and a water area of 0 sq. miles. Crawford County is in the Central time zone (GMT -6). The elevation is 581 feet.

The Annapolis Census Designated Place (GNIS ID: 2583436) 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 Annapolis Census Designated Place is located within Township of Prairie, a minor civil division (MCD) of Crawford County.

Beneath the boundary map are tables with Annapolis 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 Annapolis: Spencerville.

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Annapolis Census Designated Place, IL Boundary Map

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Boundary Maps: Township of Prairie | Crawford County | Illinois Counties

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Annapolis, IL Data & Demographics (As of July 1, 2017)


Total Population 56
Daytime Population: Workers 0
Daytime Population: Residents 30
Total Daytime Population (TDP) 30
Ratio TDP/Total Population1 0.54
Population in Households 56
Population in Familes 49
Population in Group Qrtrs 0
Population Density2 1,812
Diversity Index3 4


Median Household Income $54,361
Average Household Income $63,200
Per Capita Income $22,556


Total Housing Units 18 (100%)
Owner Occupied HU 15 (83.3%)
Renter Occupied HU 3 (16.7%)
Vacant Housing Units 0
Median Home Value $87,500
Average Home Value $103,571


Total Households 18
Average Household Size 3.11
Family Households 15
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 0.25% -0.36%
Households 0.0% 0.0%
Families 0.96% -1.37%
Median Household Income   0.0%
Per Capita Income   2.7%

Annapolis, IL - Peer Comparisons by Rank and Percentile

The table below compares Annapolis to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 1349 2nd
Population Density # 339 75th
Diversity Index # 1320 4th
Median Household Income # 646 53rd
Per Capita Income # 1093 20th

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

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