ZIP code · Altona · Illinois · United States
ZIP code 61414 — Altona
ZIP code 61414 serves Altona, Illinois.
- Postal code
- 61414Single source Value from one source, not cross-checked.
- City
- Altona
- County
- Knox FIPS 17095
- State
- Illinois
- Country
- United States
- Coordinates
- 41.1128, -90.1598 — precision precise (locality)
View on OpenStreetMap - Population
- 731 (ZCTA, ACS 5-year)
- Population density
- 13 / sq mi
- Land area
- 54.8 sq mi (141.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,617
- Per-capita income
- $37,871
- Median age
- 54.9
- Households
- 341
- Housing units
- 396
- Median home value
- $122,200
- Median gross rent
- $944 / month
- Congressional districts
- IL-17 (also IL-16) (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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
- 309Telephone 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 61414 with another ZIP · ZIPs within 25 miles · distance from 61414
Map of ZIP code 61414
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 48 | 62 | 72 | 81 | 83 | 82 | 76 | 64 | 49 | 35 |
| Avg low °F | 13 | 16 | 27 | 37 | 49 | 59 | 62 | 59 | 52 | 40 | 28 | 19 |
| Precip in | 1.8 | 2.1 | 2.6 | 4.0 | 5.2 | 4.7 | 4.0 | 3.8 | 3.8 | 2.8 | 2.6 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: ALTONA (0.6 mi) · NOAA NCEI
Places in ZIP 61414
- 2 parks
- 1 libraries
- 1 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