ZIP code · Waterloo · Illinois · United States
ZIP code 62298 — Waterloo
ZIP code 62298 serves Waterloo, Illinois.
- Postal code
- 62298Single source Value from one source, not cross-checked.
- City
- Waterloo
- County
- Monroe FIPS 17133
- State
- Illinois
- Country
- United States
- Coordinates
- 38.3223, -90.1478 — precision precise (locality)
View on OpenStreetMap - Population
- 17,907 (ZCTA, ACS 5-year)
- Population density
- 125 / sq mi
- Land area
- 143 sq mi (370.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $94,073
- Per-capita income
- $48,046
- Median age
- 43.6
- Households
- 7,124
- Housing units
- 7,562
- Median home value
- $263,200
- Median gross rent
- $884 / month
- Congressional district
- IL-12 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 618Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 62298 with another ZIP · ZIPs within 25 miles · distance from 62298
Map of ZIP code 62298
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 46 | 56 | 68 | 76 | 85 | 88 | 87 | 81 | 70 | 56 | 45 |
| Avg low °F | 22 | 25 | 34 | 44 | 54 | 63 | 67 | 65 | 57 | 46 | 35 | 27 |
| Precip in | 2.7 | 2.5 | 4.0 | 4.9 | 4.8 | 4.7 | 3.8 | 3.6 | 3.4 | 2.8 | 3.5 | 2.8 |
NOAA 1991–2020 climate normals from the nearest station: FESTUS (14.9 mi) · NOAA NCEI
Places in ZIP 62298
- 14 schools
- 1 hospitals & clinics
- 2 supermarkets
- 18 restaurants & cafés
- 9 parks
- 8 playgrounds
- 1 libraries
- 1 post offices
- 16 places of worship
- 5 banks
- 7 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page