Rochelle, IL Profile: Facts & Data


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Rochelle, Illinois - Basic Facts

The City of Rochelle had a population of 9,511 as of July 1, 2020. Rochelle ranks in the upper 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 Rochelle is located at latitude 41.9239 and longitude -89.0687 in Ogle County. The formal boundaries for the City of Rochelle encompass a land area of 12.98 sq. miles and a water area of 0.02 sq. miles. Ogle County is in the Central time zone (GMT -6). The elevation is 820 feet.

The City of Rochelle (GNIS ID: 2396392) 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 City of Rochelle is located within Township of Flagg, a minor civil division (MCD) of Ogle County.

Alternate Unofficial Names for Rochelle: Hickory Grove, Lane, Lane Depot, Loblolly Grove, Story.


Rochelle, IL Data & Demographics (As of July 1, 2020)


Total Population 9,511 (100%)
Population in Households 9,458 (99.4%)
Population in Families 7,454 (78.4%)
Population in Group Quarters1 53 ( 0.6%)
Population Density 724
Diversity Index2 59


Median Household Income $49,728
Average Household Income $62,414
% of Income for Mortgage4 10%
Per Capita Income $25,046
Wealth Index5 53


Total HU (Housing Units) 4,216 (100%)
Owner Occupied HU 2,258 (53.6%)
Renter Occupied HU 1,620 (38.4%)
Vacant Housing Units 338 ( 8.0%)
Median Home Value $123,392
Average Home Value $130,865
Housing Affordability Index3 182


Total Households 3,878
Average Household Size 2.44
Family Households 2,451
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.


2010-2020 2020-2025
Population -0.09% -0.47%
Households 0.08% -0.35%
Families 0.19% -0.49%
Median Household Income   0.66%
Per Capita Income   1.46%
Owner Occupied HU   -0.36%


Rochelle, IL - Peer Comparisons by Rank and Percentile

The table below compares Rochelle to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 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 # 227 83rd
Population Density # 927 32nd
Median Household Income # 1000 27th
Housing Affordability Index # 364 27th
Per Capita Income # 1048 24th
Diversity Index # 135 90th

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

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