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Waterloo, DeKalb County, Indiana

Town in DeKalb County, Indiana · ZIP 46793

  • DeKalb County
  • Within Grant Township
  • Census data · ACS 2019-2023
  • 1 public schools
Join WaterlooAsk WaterlooBusinessesPeople
  • 2,157 (2024 estimate)Population
  • 861Households
  • $61,375Median household income
  • $108,600Median home value
  • 1Public schools
  • 1ZIP codes

About Waterloo

This page shows only what has been published about Waterloo: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−3.8%
2.1k2.2k2.2k2.3k2000: 2,20020002010: 2,24220102020: 2,11620202,2002,116
Population of Waterloo at each census
CensusPopulation
20002,200
20102,242
20202,116

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 18, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 18, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 18, retrieved November 14, 2026.

Household income in Waterloo
Under $50k40.7%
$50k to $100k39.5%
$100k to $150k16.7%
$150k to $200k2%
$200k and over1%

Median household income $61,375 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 18, retrieved November 14, 2026.

Housing tenure in Waterloo
Owner occupied
638 units
Renter occupied
223 units
Vacancy rate
10.6%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 18, retrieved November 14, 2026.

Waterloo compared with its county and state
Waterloo compared with its county and state, American Community Survey 2019-2023
MeasureWaterlooDeKalb CountyIndiana
Population2,18043,5846,811,752
Median household income$61,375$70,080$70,051
Median age33.538.438.0
Median home value$108,600$177,900$201,600
Bachelor’s degree or higher12.5%20.1%28.8%
Foreign-born residents1.3%1.5%5.9%
Owner-occupied homes74.1%82.3%70.4%
Mean commute to work23.0 minutes20.8 minutes24.0 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 18, retrieved November 14, 2026.

CommunityRules and moderation

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Schools

Public schools in Waterloo1
Public schools in Waterloo, NCES directory 2023–2024
SchoolTypeGradesDistrict
Waterloo Elementary SchoolPublicPre-K–5DeKalb Co Ctl United Sch Dist

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about WaterlooPromoted from questions people asked

No question about Waterloo has been asked often enough to publish an answer yet. Ask Waterloo and the answer, once a person checks it, appears here.

Nearby towns

Other towns in DeKalb County

All towns in DeKalb County

Other places named Waterloo in Indiana