| ZIP Codes: | 15 ZIP Codes (12 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 402 / 531 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:04 PM |
| Population: | 27,153 [See All] |
| FIPS: | 31025 |
| CBSA: | Omaha, NE-IA |
| Land Area: | 586 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 40.9065, -96.1683 |
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27,153 residents live across 15 ZIPs covering 586 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 25,240 to 27,153 from 2014 to 2024 — a +7.6% change. 8 ZIPs gained residents, 7 lost.
The county's wealthiest ZIP 68058 (South Bend, $138,281 median) and poorest ZIP 68307 (Avoca, $61,250) are 16.0 miles apart — a 2.3× income gap across local geography.
Median home values vary 3.3× across this county — from $162,500 in 68403 (Manley) to $541,700 in 68058 (South Bend).
Density varies 52× across the county — from 8 people/sq mi in 68307 (Avoca) to 412 in 68403 (Manley).
Educational attainment ranges from 9.3% bachelor's+ in 68307 (Avoca) to 55.2% in 68058 (South Bend) — the breadth of educational profiles across the area.
Within Nebraska, this is the #12 most populous of 107 counties and ranks #5 for median household income with the #14 fastest decade growth .
Weighted by population, the typical household earns about $91,990 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.5% of adults age 25+ hold a bachelor's degree or higher (5,914 of 18,771 reporting).
12 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 68048 | Plattsmouth | Standard | 13,435 | $89,931 | 99.1 | 6.0% |
| 68037 | Louisville | Standard | 2,524 | $107,839 | 61.7 | 23.8% |
| 68347 | Eagle | Standard | 2,508 | $88,281 | 29.8 | -1.5% |
| 68463 | Weeping Water | Standard | 1,831 | $85,972 | 55.9 | 24.1% |
| 68349 | Elmwood | Standard | 1,224 | $76,369 | 47.1 | 19.8% |
| 68366 | Greenwood | Standard | 957 | $90,952 | 52.1 | -25.5% |
| 68407 | Murdock | Standard | 878 | $99,773 | 44.6 | 28.6% |
| 68455 | Union | Standard | 852 | $114,643 | 38.6 | 58.7% |
| 68409 | Murray | Standard | 625 | $92,045 | 31.4 | -10.5% |
| 68413 | Nehawka | Standard | 558 | $81,944 | 55.6 | -3.3% |
| 68016 | Cedar Creek | PO Box | 427 | $118,456 | 1.4 | -1.6% |
| 68304 | Alvo | Standard | 414 | $79,000 | 24.8 | 17.3% |
| 68058 | South Bend | PO Box | 378 | $138,281 | 1.3 | 20.8% |
| 68307 | Avoca | Standard | 336 | $61,250 | 42.1 | -14.5% |
| 68403 | Manley | PO Box | 206 | $65,000 | 0.5 | -2.8% |