Residential delivery area · Nebraska
ZIP Code 68331: Cortland, NE
ZIP code 68331 uses the postal name Cortland, Nebraska and lies entirely in Gage County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $96,250 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Cortland; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Cortland · its only residential ZIP
- County
- Gage County
- Census places
- Cortland
- Micro area
- Beatrice, NE
- House district
- NE-3 119th Congress
- State
- Nebraska
- Time zone
- Central
- Land area
- 48.6 sq mi · 21 people per sq mi
Where is ZIP code 68331?
68331 centers on 40.473°, -96.715° and covers 48.6 square miles of land plus 0.3 of water. It borders 6 ZIP codes: 68422, 68328, 68358, 68368, 68301, 68404.
The map draws ZIP code areas only. For the streets inside 68331, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 68331 compare with the rest of Gage County?
| Measure | 68331 | In Gage County | In NE |
|---|---|---|---|
| People (ACS 2020-2024) | 1,002 | 6th of 18 | 236th of 586 |
| Median household income | $96k | not ranked | not ranked |
| Median home value | $314k | not ranked | not ranked |
68331's median household income is not ranked: its 90% margin of error (±$32,444) is more than a quarter of the figure ($96,250); 68331's median home value is not ranked: its 90% margin of error (±$124,276) is more than a quarter of the figure ($313,900). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 26% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 68331?
The 2020 Census counted 1,016 people in 68331; the ACS, which samples households over 2020-2024, estimates 1,002. Between the 2010 and 2020 censuses its population grew 5.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,002±181 (90% margin)
- 2020 Census count
- 1,016+5.7% since 2010 (961)
- Households
- 414
- Median age
- 45.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 68331?
Of the 1,002 people the ACS estimates in 68331, 21.3% are under 18 and 27.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.2%).
- Under 1821.3%
- 18 to 6450.8%
- 65 and older27.9%
- White, not Hispanic85.2%
- Hispanic or Latino7.9%
- Other or two or more6.9%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 68331 earn?
Median household income is $96,250 (ACS 2020-2024). It is not measurably different from 2015-2019 ($74,770 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $96,250±$32,444
- Income per person
- $44,453
- Below the poverty line
- 10.3%
- Unemployed (of the labor force)
- 0.4%
- Adults 25+ with a bachelor's degree
- 28.9%
- Adjusted gross income per tax return, 2022
- $85,580490 returns; wages 69% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 68331?
- Median home value (owners' estimate)
- $313,900
- Median gross rent
- $1,075
- Homes owned by their occupants
- 93.7%
- Housing units
- 414
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 68331?
25 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade7
- Transportation and warehousing6
- Construction4
- Finance and insurance3
- Other services (except public administration)3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 68331?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 68422 | Pickrell | 818 | $94k | 5.9 mi |
| 68328 | Clatonia | 493 | $67k | 6.6 mi |
| 68358 | Firth | 1,701 | $112k | 6.9 mi |
| 68368 | Hallam | 477 | $110k | 7.6 mi |
| 68301 | Adams | 1,549 | $114k | 10.0 mi |
| 68404 | Martell | 1,039 | $113k | 10.5 mi |
| 68438 | Sprague | 176 | $81k | 10.7 mi (near) |
| 68372 | Hickman | 4,135 | $114k | 10.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.