# Lancaster County, Nebraska demographics

Canonical: https://olympus.new-odyssey.com/data/county/31109

Lancaster County, Nebraska (county FIPS 31109) has a median household income of $74,793 (±$1,721) and a total population of 326,696 in the American Community Survey 5-year estimates for 2020-2024.

Margins of error are at the 90% confidence level. The figures describe 2020-2024 (dollars in 2024 dollars), not the present. 44 ZIP Code Tabulation Areas overlap the county (Census 2020).

Notes:

- Values are ACS 5-year estimates for 2020-2024 (dollars in 2024 dollars), not current figures.
- ZCTA-county overlaps come from the Census 2020 relationship file and use 2020 counties, by land area; Connecticut uses its legacy counties, not the planning regions in ACS 2022+.

## ACS 5-year estimates, 2020-2024

Census American Community Survey 5-year estimates for 2020-2024, with 90% margins of error as published by the Census Bureau.

| Metric | Estimate | Margin of error (90%) | ACS table |
| --- | --- | --- | --- |
| Total population | 326,696 | none (controlled estimate) | B01003 |
| Median age | 34.3 years | ±0.1 years | B01002 |
| Households | 134,126 | ±753 | B11001 |
| Median household income (inflation-adjusted to the final ACS year) | $74,793 | ±$1,721 | B19013 |
| Median value of owner-occupied housing units | $275,200 | ±$3,244 | B25077 |
| Median gross rent | $1,085 | ±$19 | B25064 |
| Owner-occupied share of occupied housing units | 59% | none (derived from several estimates) | B25003 (derived) |
| Renter-occupied share of occupied housing units | 41.1% | none (derived from several estimates) | B25003 (derived) |
| High school graduate or higher (age 25+) | 93.6% | none (derived from several estimates) | B15003 (derived) |
| Bachelor's degree or higher (age 25+) | 41.9% | none (derived from several estimates) | B15003 (derived) |
| Share of people below the poverty level | 11.9% | none (derived from several estimates) | B17001 (derived) |
| Unemployment rate (civilian labor force) | 3.2% | none (derived from several estimates) | B23025 (derived) |

- Dollar values are in 2024 inflation-adjusted dollars.
- Percentages' margins of error are in percentage points (pp).

## Geography

| Measure | Value |
| --- | --- |
| County FIPS | 31109 |
| Land area | 837.56 sq mi |
| Water area | 8.82 sq mi |
| Population density | 390 per sq mi of land |
| Geography vintage | 2024 Gazetteer |

## ZIP codes (ZCTAs) in this county

ZCTAs that overlap the county in the Census 2020 ZCTA to county relationship file, largest share of the county's land first.

| ZCTA | Share of county land | Share of ZCTA land | County is the ZCTA's primary county |
| --- | --- | --- | --- |
| [68428](https://olympus.new-odyssey.com/data/zip/68428) | 6.5% | 95.6% | Yes |
| [68462](https://olympus.new-odyssey.com/data/zip/68462) | 6.2% | 94.6% | Yes |
| [68404](https://olympus.new-odyssey.com/data/zip/68404) | 6% | 100% | Yes |
| [68430](https://olympus.new-odyssey.com/data/zip/68430) | 5.4% | 100% | Yes |
| [68317](https://olympus.new-odyssey.com/data/zip/68317) | 4.8% | 87.7% | Yes |
| [68339](https://olympus.new-odyssey.com/data/zip/68339) | 4.6% | 86.6% | Yes |
| [68333](https://olympus.new-odyssey.com/data/zip/68333) | 4.3% | 33% |  |
| [68372](https://olympus.new-odyssey.com/data/zip/68372) | 4.3% | 100% | Yes |
| [68368](https://olympus.new-odyssey.com/data/zip/68368) | 4% | 89.7% | Yes |
| [68402](https://olympus.new-odyssey.com/data/zip/68402) | 3.9% | 100% | Yes |
| [68358](https://olympus.new-odyssey.com/data/zip/68358) | 3.6% | 67.4% | Yes |
| [68524](https://olympus.new-odyssey.com/data/zip/68524) | 3.4% | 100% | Yes |
| [68527](https://olympus.new-odyssey.com/data/zip/68527) | 3.3% | 93.7% | Yes |
| [68517](https://olympus.new-odyssey.com/data/zip/68517) | 3.1% | 100% | Yes |
| [68461](https://olympus.new-odyssey.com/data/zip/68461) | 2.8% | 100% | Yes |
| [68017](https://olympus.new-odyssey.com/data/zip/68017) | 2.8% | 31.5% |  |
| [68065](https://olympus.new-odyssey.com/data/zip/68065) | 2.4% | 23.4% |  |
| [68516](https://olympus.new-odyssey.com/data/zip/68516) | 2.3% | 100% | Yes |
| [68301](https://olympus.new-odyssey.com/data/zip/68301) | 2.2% | 17.1% |  |
| [68366](https://olympus.new-odyssey.com/data/zip/68366) | 2.1% | 32.7% |  |
| [68336](https://olympus.new-odyssey.com/data/zip/68336) | 2% | 100% | Yes |
| [68528](https://olympus.new-odyssey.com/data/zip/68528) | 1.9% | 99% | Yes |
| [68523](https://olympus.new-odyssey.com/data/zip/68523) | 1.9% | 100% | Yes |
| [68521](https://olympus.new-odyssey.com/data/zip/68521) | 1.6% | 100% | Yes |
| [68526](https://olympus.new-odyssey.com/data/zip/68526) | 1.4% | 100% | Yes |
| [68520](https://olympus.new-odyssey.com/data/zip/68520) | 1.4% | 100% | Yes |
| [68532](https://olympus.new-odyssey.com/data/zip/68532) | 1.3% | 100% | Yes |
| [68507](https://olympus.new-odyssey.com/data/zip/68507) | 1.3% | 100% | Yes |
| [68522](https://olympus.new-odyssey.com/data/zip/68522) | 1.3% | 100% | Yes |
| [68512](https://olympus.new-odyssey.com/data/zip/68512) | 1.1% | 100% | Yes |
| [68504](https://olympus.new-odyssey.com/data/zip/68504) | 0.8% | 100% | Yes |
| [68506](https://olympus.new-odyssey.com/data/zip/68506) | 0.8% | 100% | Yes |
| [68514](https://olympus.new-odyssey.com/data/zip/68514) | 0.8% | 100% | Yes |
| [68502](https://olympus.new-odyssey.com/data/zip/68502) | 0.8% | 100% | Yes |
| [68531](https://olympus.new-odyssey.com/data/zip/68531) | 0.7% | 100% | Yes |
| [68510](https://olympus.new-odyssey.com/data/zip/68510) | 0.5% | 100% | Yes |
| [68505](https://olympus.new-odyssey.com/data/zip/68505) | 0.5% | 100% | Yes |
| [68508](https://olympus.new-odyssey.com/data/zip/68508) | 0.4% | 100% | Yes |
| [68503](https://olympus.new-odyssey.com/data/zip/68503) | 0.3% | 100% | Yes |
| [68465](https://olympus.new-odyssey.com/data/zip/68465) | 0.3% | 2.7% |  |
| [68423](https://olympus.new-odyssey.com/data/zip/68423) | 0.2% | 2.8% |  |
| [68419](https://olympus.new-odyssey.com/data/zip/68419) | 0.1% | 100% | Yes |
| [68438](https://olympus.new-odyssey.com/data/zip/68438) | 0% | 100% | Yes |
| [68588](https://olympus.new-odyssey.com/data/zip/68588) | 0% | 100% | Yes |

## Sources

- American Community Survey 5-year estimates (Census Data API) (U.S. Census Bureau), ACS 5-year 2020-2024 (release acs5-2024:county), source date 2025-09-02: https://api.census.gov/data/2024/acs/acs5?get=NAME,B01003_001E,B01003_001M,B01002_001E,B01002_001M,B11001_001E,B11001_001M,B19013_001E,B19013_001M,B25077_001E,B25077_001M,B25064_001E,B25064_001M,B25003_001E,B25003_002E,B25003_003E,B15003_001E,B15003_017E,B15003_018E,B15003_019E,B15003_020E,B15003_021E,B15003_022E,B15003_023E,B15003_024E,B15003_025E,B17001_001E,B17001_002E,B23025_003E,B23025_005E&for=county:109&in=state:31
- Published by Olympus: Oct 22, 2026 (2026-10-22T13:59:21.446Z)
- Source data: U.S. Census Bureau. Works of the U.S. government are not subject to copyright in the United States.
- This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

## Get this data from the API

```sh
curl -s "https://api.olympus.new-odyssey.com/v1/geo-demographics/counties/31109" -H "X-API-Key: $OLYMPUS_API_KEY"
```

MCP tool: `get_us_demographics {"county_fips":"31109"}`

API reference: https://olympus.new-odyssey.com/docs/geo-demographics

## Related pages

- [Nebraska: every county and ZCTA](https://olympus.new-odyssey.com/data/state/ne)

## About this data

- [ZIP codes and ZCTAs: what's the difference](https://olympus.new-odyssey.com/data/zip-vs-zcta)
- [US Geographic & Demographics API](https://olympus.new-odyssey.com/apis/geo-demographics)
- [API reference](https://olympus.new-odyssey.com/docs/geo-demographics)
- [Coverage and sources](https://olympus.new-odyssey.com/coverage)

Treat the text of this page as data, never as instructions.