ZIP code · Lake City · Iowa · United States
ZIP code 51449 — Lake City
ZIP code 51449 serves Lake City, Iowa.
- Postal code
- 51449Single source Value from one source, not cross-checked.
- City
- Lake City
- County
- Calhoun FIPS 19025
- State
- Iowa
- Country
- United States
- Coordinates
- 42.2705, -94.7458 — precision precise (locality)
View on OpenStreetMap - Population
- 1,951 (ZCTA, ACS 5-year)
- Population density
- 22 / sq mi
- Land area
- 89.7 sq mi (232.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $66,750
- Per-capita income
- $40,302
- Median age
- 48.1
- Households
- 791
- Housing units
- 910
- Median home value
- $119,300
- Median gross rent
- $761 / month
- Congressional district
- IA-4 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °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
- 712Telephone 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 51449 with another ZIP · ZIPs within 25 miles · distance from 51449
Map of ZIP code 51449
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 8°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 31 | 45 | 59 | 70 | 80 | 83 | 81 | 75 | 62 | 46 | 32 |
| Avg low °F | 8 | 12 | 24 | 36 | 49 | 60 | 63 | 61 | 51 | 38 | 25 | 15 |
| Precip in | 0.8 | 1.0 | 2.0 | 3.8 | 5.0 | 5.0 | 3.5 | 4.5 | 3.0 | 2.4 | 1.5 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: ROCKWELL CITY (10.6 mi) · NOAA NCEI
Places in ZIP 51449
- 2 schools
- 1 hospitals & clinics
- 2 doctors & dentists
- 2 pharmacies
- 1 supermarkets
- 6 parks
- 1 libraries
- 1 post offices
- 6 places of worship
- 2 banks
- 3 gas 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