Waterloo, IN Profile: Facts, Map & Data


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Waterloo, Indiana - Basic Facts

The Town of Waterloo had a population of 2,224 as of July 1, 2017. Waterloo ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Indiana. See peer rankings below.

The primary coordinate point for Waterloo is located at latitude 41.4319 and longitude -85.0286 in DeKalb County. The formal boundaries for the Town of Waterloo (see map below) encompass a land area of 1.74 sq. miles and a water area of 0 sq. miles. DeKalb County is in the Eastern time zone (GMT -5). The elevation is 906 feet.

The Town of Waterloo (GNIS ID: 2397725) 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 Town of Waterloo is located within Township of Grant, a minor civil division (MCD) of DeKalb County.

Beneath the boundary map are tables with Waterloo 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 Waterloo: Waterloo City.

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Town of Waterloo, IN Boundary Map

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Boundary Maps: Township of Grant | DeKalb County | Indiana Counties

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Waterloo, IN Data & Demographics (As of July 1, 2017)


Total Population 2,224
Daytime Population: Workers 1,033
Daytime Population: Residents 1,241
Total Daytime Population (TDP) 2,274
Ratio TDP/Total Population1 1.02
Population in Households 2,207
Population in Familes 1,814
Population in Group Qrtrs 17
Population Density2 1,279
Diversity Index3 20


Median Household Income $42,279
Average Household Income $51,828
Per Capita Income $18,592


Total Housing Units 947 (100%)
Owner Occupied HU 584 (61.7%)
Renter Occupied HU 221 (23.3%)
Vacant Housing Units 142 (15.0%)
Median Home Value $104,301
Average Home Value $187,714


Total Households 805
Average Household Size 2.74
Family Households 577
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 -0.11% 0.03%
Households -0.07% 0.05%
Families 0.0% -0.1%
Median Household Income   1.28%
Per Capita Income   2.33%

Waterloo, IN - Peer Comparisons by Rank and Percentile

The table below compares Waterloo to the other 680 incorporated cities, towns and CDPs in Indiana 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 # 208 70th
Population Density # 357 48th
Diversity Index # 163 76th
Median Household Income # 512 25th
Per Capita Income # 629 8th

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

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