County demographics · Nebraska
Lancaster County, Nebraska demographics
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).
Data as of Oct 22, 2026 (Olympus publication) · Markdown version
- 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 | 6.5% | 95.6% | Yes |
| 68462 | 6.2% | 94.6% | Yes |
| 68404 | 6% | 100% | Yes |
| 68430 | 5.4% | 100% | Yes |
| 68317 | 4.8% | 87.7% | Yes |
| 68339 | 4.6% | 86.6% | Yes |
| 68333 | 4.3% | 33% | |
| 68372 | 4.3% | 100% | Yes |
| 68368 | 4% | 89.7% | Yes |
| 68402 | 3.9% | 100% | Yes |
| 68358 | 3.6% | 67.4% | Yes |
| 68524 | 3.4% | 100% | Yes |
| 68527 | 3.3% | 93.7% | Yes |
| 68517 | 3.1% | 100% | Yes |
| 68461 | 2.8% | 100% | Yes |
| 68017 | 2.8% | 31.5% | |
| 68065 | 2.4% | 23.4% | |
| 68516 | 2.3% | 100% | Yes |
| 68301 | 2.2% | 17.1% | |
| 68366 | 2.1% | 32.7% | |
| 68336 | 2% | 100% | Yes |
| 68528 | 1.9% | 99% | Yes |
| 68523 | 1.9% | 100% | Yes |
| 68521 | 1.6% | 100% | Yes |
| 68526 | 1.4% | 100% | Yes |
| 68520 | 1.4% | 100% | Yes |
| 68532 | 1.3% | 100% | Yes |
| 68507 | 1.3% | 100% | Yes |
| 68522 | 1.3% | 100% | Yes |
| 68512 | 1.1% | 100% | Yes |
| 68504 | 0.8% | 100% | Yes |
| 68506 | 0.8% | 100% | Yes |
| 68514 | 0.8% | 100% | Yes |
| 68502 | 0.8% | 100% | Yes |
| 68531 | 0.7% | 100% | Yes |
| 68510 | 0.5% | 100% | Yes |
| 68505 | 0.5% | 100% | Yes |
| 68508 | 0.4% | 100% | Yes |
| 68503 | 0.3% | 100% | Yes |
| 68465 | 0.3% | 2.7% | |
| 68423 | 0.2% | 2.8% | |
| 68419 | 0.1% | 100% | Yes |
| 68438 | 0% | 100% | Yes |
| 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 on Oct 22, 2026.
- 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.
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curl -s "https://api.olympus.new-odyssey.com/v1/geo-demographics/counties/31109" -H "X-API-Key: $OLYMPUS_API_KEY"get_us_demographics {"county_fips":"31109"}