ZIP Codes of Otoe County, NE

Population & People
Population & People
Total Population
15,479
Household Income
Household Income
Median Income
$82,197
Housing
Housing
Total Housing Units
6,743
Business & Economy
Business & Economy
Total Businesses
442
Employment
Employment
Employment Rate
64.54%
Education
Education
Bachelor's Degree+
26.83%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (10 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:402 / 531
Timezone:Central (GMT -06:00)
Local Time:2:13:07 PM
Population:15,479 [See All]
FIPS:31131
Land Area:567 sq mi
Water Area:3 sq mi
Coordinates:40.6380, -96.1539
Quick Link:
https://www.zip-codes.com/county/ne-otoe.asp
Need Otoe data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Extreme geographic sprawl
The largest ZIP spans 3518× the smallest by area — 152.0 sq mi down to 0.04.

Standout ZIPs in this County


Most Populous
Nebraska City · 8,980 people
58.0% of county total
Highest Income
Dunbar · $91,591 median
1.1× county average
Largest Land Area
Nebraska City · 152.0 sq mi
Spans the most ground
Fastest Growth
Nebraska City · 2.9% (10-yr)
8,728 → 8,980 residents
Most Educated
Syracuse · 29.9% bachelor's+
633 of 2,119 adults 25+

Things worth knowing about Otoe County


15,479 residents live across 10 ZIPs covering 567 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 15,189 to 15,479 from 2014 to 2024 — a +1.9% change. 7 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 68346 (Dunbar, $91,591 median) and poorest ZIP 68417 (Otoe, $68,250) are 6.8 miles apart — a 1.3× income gap across local geography.

Median home values vary 2.0× across this county — from $115,900 in 68448 (Talmage) to $236,700 in 68446 (Syracuse).

Density varies 12× across the county — from 5 people/sq mi in 68448 (Talmage) to 59 in 68410 (Nebraska City).

Educational attainment ranges from 17.1% bachelor's+ in 68346 (Dunbar) to 31.8% in 68448 (Talmage) — the breadth of educational profiles across the area.

Within Nebraska, this is the #20 most populous of 107 counties and ranks #16 for median household income .

Weighted by population, the typical household earns about $78,207 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.8% of adults age 25+ hold a bachelor's degree or higher (2,860 of 10,660 reporting).

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

Stories about Otoe 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
567
square miles
Avg density
27.3
people per sq mi
Population
15,479
across 10 ZIPs
Nebraska City
152.0 sq mi
8,980 residents
Syracuse
99.3 sq mi
2,792 residents
Palmyra
66.1 sq mi
1,109 residents

All ZIP Codes in Otoe County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
68410Nebraska CityStandard8,980$71,640152.02.9%
68446SyracuseStandard2,792$90,74699.30.5%
68418PalmyraStandard1,109$86,06566.1-6.6%
68454UnadillaStandard778$84,37558.119.1%
68346DunbarStandard544$91,59156.65.6%
68344DouglasStandard544$88,94231.521.2%
68417OtoeStandard273$68,25024.3-5.5%
68448TalmageStandard225$74,50045.9-49.3%
68324BurrStandard162$83,66532.897.6%
68382LortonStandard720.016.1%

Adjacent & Nearby Counties