| ZIP Codes: | 6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 402 / 531 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:08 PM |
| Population: | 19,855 [See All] |
| FIPS: | 31177 |
| CBSA: | Omaha, NE-IA |
| Land Area: | 359 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 41.5068, -96.2132 |
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19,855 residents live across 6 ZIPs covering 359 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 18,700 to 19,855 from 2014 to 2024 — a +6.2% change. 5 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 68023 (Fort Calhoun, $116,287 median) and poorest ZIP 68029 (Herman, $82,423) are 18.5 miles apart — a 1.4× income gap across local geography.
Median home values vary 2.5× across this county — from $158,300 in 68029 (Herman) to $389,600 in 68023 (Fort Calhoun).
Density varies 80× across the county — from 12 people/sq mi in 68029 (Herman) to 946 in 68068 (Washington).
Educational attainment ranges from 27.5% bachelor's+ in 68068 (Washington) to 38.8% in 68008 (Blair) — the breadth of educational profiles across the area.
Within Nebraska, this is the #17 most populous of 107 counties and ranks #4 for median household income with the #18 fastest decade growth .
Weighted by population, the typical household earns about $94,155 across the county — reflecting what a typical resident sees, not a simple ZIP average.
36.1% of adults age 25+ hold a bachelor's degree or higher (4,881 of 13,535 reporting).
6 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 68008 | Blair | Standard | 12,823 | $89,583 | 123.1 | 4.8% |
| 68023 | Fort Calhoun | Standard | 2,687 | $116,287 | 44.6 | 13.0% |
| 68002 | Arlington | Standard | 2,602 | $93,220 | 79.1 | 31.3% |
| 68029 | Herman | Standard | 918 | $82,423 | 77.9 | 0.1% |
| 68034 | Kennard | Standard | 627 | $110,000 | 33.7 | -45.0% |
| 68068 | Washington | Standard | 198 | $106,458 | 0.2 | 288.2% |