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Rapids City, IL Profile: Facts & Data

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Rapids City, Illinois - Basic Facts

The Village of Rapids City had a population of 911 as of July 1, 2025.

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 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.


Jump to... (On This Page!)
  1. Rapids City 2025 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 - 2025 Demographics
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Rapids City, IL Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 911 (100%)
Population in Households 911 (100.0%)
Population in Families 775 (85.1%)
Population in Group Quarters1 0
Population Density 560
Diversity Index2 26
 
 

INCOME

Median Household Income $89,182
Average Household Income $115,762
% of Income for Mortgage4 18%
Per Capita Income $47,525
Wealth Index5 117
Socioeconomic Status Index6 Moderate (52.6)
 

HOUSING

Total HU (Housing Units) 406 (100%)
Owner Occupied HU 322 (79.3%)
Renter Occupied HU 52 (12.8%)
Vacant Housing Units 32 ( 7.9%)
Median Home Value $258,140
Average Home Value $260,932
Housing Affordability Index3 106
 

HOUSEHOLDS

Total Households 374
Average Household Size 2.44
Family Households 271
Average Family Size 3.00
NOTES
  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.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

 2020-2025 2025-2030
Population -1.07% -0.42%
Households -0.35% -0.11%
Families   0.07%
Median Household Income   6.74%
Per Capita Income   3.74%
Owner Occupied HU   0.19%

Rapids City, IL - Peer Comparisons by Rank and Percentile

The table below compares Rapids City to the other 1,461 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2025 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 # 706 52nd
Population Density # 1031 30th
Median Household Income # 439 70th
Housing Affordability Index # 467 32nd
Per Capita Income # 380 74th
Diversity Index # 604 59th

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

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