ZIP code · Dover · Illinois · United States
ZIP code 61323 — Dover
ZIP code 61323 serves Dover, Illinois.
- Postal code
- 61323Single source Value from one source, not cross-checked.
- City
- Dover
- County
- Bureau FIPS 17011
- State
- Illinois
- Country
- United States
- Coordinates
- 41.4362, -89.3960 — precision precise (locality)
View on OpenStreetMap - Population
- 119 (ZCTA, ACS 5-year)
- Population density
- 934 / sq mi
- Land area
- 0.1 sq mi (0.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $44,688
- Per-capita income
- $31,708
- Median age
- 59.1
- Households
- 66
- Housing units
- 66
- Median home value
- $108,700
- Median gross rent
- $813 / month
- Congressional districts
- IL-16 (also IL-14) (119th Congress)
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 815Telephone 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 61323 with another ZIP · ZIPs within 25 miles · distance from 61323
Map of ZIP code 61323
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 14°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 48 | 62 | 73 | 82 | 85 | 82 | 76 | 63 | 48 | 35 |
| Avg low °F | 14 | 18 | 28 | 38 | 50 | 60 | 63 | 61 | 53 | 42 | 30 | 20 |
| Precip in | 2.0 | 2.0 | 2.5 | 4.0 | 5.1 | 4.6 | 3.7 | 4.0 | 3.9 | 3.1 | 2.6 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: PRINCETON (5.7 mi) · NOAA NCEI
Places in ZIP 61323
- 1 parks
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. Data generated on 2026-08-21. Methodology · Report an error on this page