ZIP Codes of Sac County, IA

Population & People
Population & People
Total Population
9,301
Household Income
Household Income
Median Income
$75,433
Housing
Housing
Total Housing Units
4,941
Business & Economy
Business & Economy
Total Businesses
308
Employment
Employment
Employment Rate
64.78%
Education
Education
Bachelor's Degree+
22.31%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:8 ZIP Codes (8 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:712
Timezone:Central (GMT -06:00)
Local Time:11:53:12 PM
Population:9,301 [See All]
FIPS:19161
Land Area:539 sq mi
Water Area:3 sq mi
Coordinates:42.3836, -95.0976
Quick Link:
https://www.zip-codes.com/county/ia-sac.asp
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Iowa's #77 most populous county
9,301 residents across 8 ZIPs — #77 of 99 Iowa counties.

Standout ZIPs in this County


Most Populous
Sac City · 2,288 people
24.6% of county total
Highest Income
Early · $91,995 median
1.2× county average
Largest Land Area
Sac City · 112.8 sq mi
Spans the most ground
Fastest Growth
Lake View · 5.6% (10-yr)
1,533 → 1,619 residents
Most Educated
Lake View · 30.0% bachelor's+
374 of 1,247 adults 25+

Things worth knowing about Sac County


9,301 residents live across 8 ZIPs covering 539 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 9,602 to 9,301 from 2014 to 2024 — a -3.1% change. 5 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 50535 (Early, $91,995 median) and poorest ZIP 50583 (Sac City, $62,981) are 8.5 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.0× across this county — from $91,800 in 51053 (Schaller) to $184,800 in 51450 (Lake View).

Density varies across the county — from 10 people/sq mi in 50567 (Nemaha) to 28 in 51450 (Lake View).

Educational attainment ranges from 4.9% bachelor's+ in 50567 (Nemaha) to 30.0% in 51450 (Lake View) — the breadth of educational profiles across the area.

Within Iowa, this is the #77 most populous of 99 counties and ranks #39 for median household income .

Weighted by population, the typical household earns about $74,271 across the county — reflecting what a typical resident sees, not a simple ZIP average.

22.3% of adults age 25+ hold a bachelor's degree or higher (1,489 of 6,674 reporting).

8 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Sac County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
539
square miles
Avg density
17.2
people per sq mi
Population
9,301
across 8 ZIPs
Sac City
112.8 sq mi
2,288 residents
Odebolt
94.9 sq mi
1,290 residents
Schaller
71.1 sq mi
1,016 residents

All ZIP Codes in Sac County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
50583Sac CityStandard2,288$62,981112.8-14.2%
51450Lake ViewStandard1,619$71,87557.85.6%
51458OdeboltStandard1,290$86,25094.9-18.8%
50535EarlyStandard1,198$91,99561.535.4%
51466Wall LakeStandard1,043$71,57955.114.1%
51053SchallerStandard1,016$72,53471.1-20.3%
51433AuburnStandard567$68,12557.712.7%
50567NemahaStandard280$78,12528.718.1%

Adjacent & Nearby Counties