Rockbridge, IL Profile: Facts, Map & Data


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Rockbridge, Illinois - Basic Facts

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The Village of Rockbridge had a population of 161 as of July 1, 2017. Rockbridge ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Rockbridge is located at latitude 39.2693 and longitude -90.2066 in Greene County. The formal boundaries for the Village of Rockbridge (see map below) encompass a land area of 0.74 sq. miles and a water area of 0 sq. miles. Greene County is in the Central time zone (GMT -6). The elevation is 541 feet.

The Village of Rockbridge (GNIS ID: 2399103) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Rockbridge is located within Township of Rockbridge, a minor civil division (MCD) of Greene County.

Beneath the boundary map are tables with Rockbridge 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 Rockbridge: Sheffield.

Neighborhood Data

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Village of Rockbridge, IL Boundary Map

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Boundary Maps: Township of Rockbridge | Greene County | Illinois Counties

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


Total Population 161
Daytime Population: Workers 11
Daytime Population: Residents 71
Total Daytime Population (TDP) 82
Ratio TDP/Total Population1 0.51
Population in Households 161
Population in Familes 133
Population in Group Qrtrs 0
Population Density2 219
Diversity Index3 8


Median Household Income $52,961
Average Household Income $61,459
Per Capita Income $24,166


Total Housing Units 85 (100%)
Owner Occupied HU 56 (65.9%)
Renter Occupied HU 20 (23.5%)
Vacant Housing Units 9 (10.6%)
Median Home Value $85,227
Average Home Value $125,909


Total Households 76
Average Household Size 2.12
Family Households 54
Average Family Size 2
  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 -0.67% -1.01%
Households -0.53% -0.8%
Families 0.79% -0.75%
Median Household Income   0.99%
Per Capita Income   2.45%

Rockbridge, IL - Peer Comparisons by Rank and Percentile

The table below compares Rockbridge 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 # 1252 9th
Population Density # 1263 8th
Diversity Index # 986 28th
Median Household Income # 699 49th
Per Capita Income # 942 31st

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

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