Waterloo is a town in Linn County, Oregon, home to about 229 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 97355.
Homes sold for a median of $286 per square foot in the three months ending August 2026, a balanced market.
Mostly Lebanon; part is in Waterloo
Each card is that ZIP code’s whole market, including any part outside Waterloo. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Waterloo’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Portland International Airport (PDX)74 miles away |
|---|---|
| Closer regional airport | Salem-Willamette Valley Airport/McNary Field (SLE)27 miles away |
| Nearest city of 250,000+ | Portland, OR70 miles away |
| Nearest city of 1 million+ | Los Angeles, CA764 miles away |
Straight-line distances from the center of Waterloo; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Waterloo had 222 residents in the 2020 census, down 7% since 2000.
It’s the 345th largest of 420 towns in Oregon by population.
Linn County grew from 18,603 residents in 1900 to 128,610 in 2020.
Linn County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 33°F. About 57.4 inches of rain and melted snow fall in a typical year, with about 2 inches of snow.
Source: NOAA 1991–2020 climate normals, Lacomb 3 Nne, OR weather station (10 miles away).
37,099 jobs at 2,846 businesses in Linn County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
259 doctors and other health care providers list an office in Waterloo.
Nearest hospitals
Providers with an office here
| Primary care doctors | 59 |
|---|---|
| Specialist doctors | 62 |
| Dentists | 15 |
| Nurse practitioners and physician assistants | 30 |
| Mental health providers | 60 |
| Physical and occupational therapists | 23 |
| Optometrists | 5 |
| Chiropractors | 5 |
| Pharmacies | 8 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores
Pharmacies
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Lebanon Community SD 9. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cascades SchoolLebanon | K–5 | 262 | Public | 1.7 mi |
| Green Acres SchoolLebanon | K–6 | 293 | Public | 2.0 mi |
| Hamilton Creek SchoolLebanon | K–8 | 252 | Public | 2.6 mi |
| Lacomb SchoolLebanon | K–8 | 228 | Public | 7.9 mi |
| Pioneer SchoolLebanon | K–5 | 261 | Public | 2.0 mi |
| Riverview SchoolLebanon | K–5 | 423 | Public | 0.6 mi |
| Sand Ridge Charter SchoolLebanon | K–8 | 359 | Charter | 3.6 mi |
| Seven Oak Middle SchoolLebanon | 6–8 | 676 | Public | 1.5 mi |
| Lebanon High SchoolLebanon | 9–12 | 1,162 | Public | 1.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Lebanon, South Lebanon, Lacomb and Sodaville.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.