ZIP code · Holcomb · Illinois · United States
ZIP code 61043 — Holcomb
ZIP code 61043 serves Holcomb, Illinois.
- Postal code
- 61043Single source Value from one source, not cross-checked.
- City
- Holcomb
- County
- Ogle FIPS 17141
- State
- Illinois
- Country
- United States
- Coordinates
- 42.0647, -89.0957 — precision precise (locality)
View on OpenStreetMap - Population
- 166 (ZCTA, ACS 5-year)
- Population density
- 347 / sq mi
- Land area
- 0.5 sq mi (1.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,250
- Per-capita income
- $21,312
- Median age
- 51
- Households
- 56
- Housing units
- 68
- Median home value
- $122,700
- Median gross rent
- $960 / month
- Congressional district
- 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)
Tools: compare 61043 with another ZIP · ZIPs within 25 miles · distance from 61043
Map of ZIP code 61043
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 15°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 33 | 47 | 60 | 71 | 81 | 84 | 82 | 75 | 62 | 47 | 34 |
| Avg low °F | 15 | 18 | 28 | 39 | 50 | 60 | 64 | 62 | 54 | 42 | 31 | 20 |
| Precip in | 1.6 | 1.6 | 2.4 | 3.8 | 4.2 | 5.2 | 3.8 | 4.2 | 3.6 | 2.6 | 2.3 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: ROCKFORD GTR ROCKFORD AP (8.8 mi) · NOAA NCEI
Places in ZIP 61043
- 1 post offices
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