Rapids City, IL Profile: Facts & Data


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Rapids City, Illinois - Basic Facts

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The Village of Rapids City had a population of 963 as of July 1, 2021.

The primary coordinate point for Rapids City is located at latitude 41.5817 and longitude -90.3435 in Rock Island County. The formal boundaries for the Village of Rapids City encompass a land area of 1.62 sq. miles and a water area of 0 sq. miles. Rock Island County is in the Central time zone (GMT -6). The elevation is 581 feet.

The Village of Rapids City 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 Rapids City is located within Township of Hampton, a minor civil division (MCD) of Rock Island County.

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  1. Rapids City 2021 Demographic Data
  2. Growth Rates for Rapids City (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2021 Demographics

Rapids City, IL Data & Demographics (As of July 1, 2021)


Total Population 963 (100%)
Population in Households 963 (100.0%)
Population in Families 827 (85.9%)
Population in Group Quarters1 0
Population Density 592
Diversity Index2 14


Median Household Income $68,777
Average Household Income $83,792
% of Income for Mortgage4 13%
Per Capita Income $34,188
Wealth Index5 89


Total HU (Housing Units) 409 (100%)
Owner Occupied HU 324 (79.2%)
Renter Occupied HU 56 (13.7%)
Vacant Housing Units 29 ( 7.1%)
Median Home Value $215,909
Average Home Value $245,062
Housing Affordability Index3 175


Total Households 380
Average Household Size 2.53
Family Households 284
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.04% -0.33%
Households 0.26% -0.16%
Families -0.12% -0.21%
Median Household Income   1.13%
Per Capita Income   2.24%
Owner Occupied HU   -0.06%

Rapids City, IL - Peer Comparisons by Rank and Percentile

The table below compares Rapids City to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2021 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 # 717 48th
Population Density # 1010 26th
Median Household Income # 435 68th
Housing Affordability Index # 341 25th
Per Capita Income # 417 70th
Diversity Index # 670 51st

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

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