County demographics · Wisconsin
Dane County, Wisconsin demographics
Dane County, Wisconsin (county FIPS 55025) has a median household income of $89,975 (±$1,284) and a total population of 572,674 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. 46 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 | 572,674 | none (controlled estimate) | B01003 |
| Median age | 35.7 years | ±0.2 years | B01002 |
| Households | 251,529 | ±1,049 | B11001 |
| Median household income (inflation-adjusted to the final ACS year) | $89,975 | ±$1,284 | B19013 |
| Median value of owner-occupied housing units | $394,800 | ±$3,871 | B25077 |
| Median gross rent | $1,398 | ±$17 | B25064 |
| Owner-occupied share of occupied housing units | 57.1% | none (derived from several estimates) | B25003 (derived) |
| Renter-occupied share of occupied housing units | 42.9% | none (derived from several estimates) | B25003 (derived) |
| High school graduate or higher (age 25+) | 96.4% | none (derived from several estimates) | B15003 (derived) |
| Bachelor's degree or higher (age 25+) | 55.3% | none (derived from several estimates) | B15003 (derived) |
| Share of people below the poverty level | 10.6% | none (derived from several estimates) | B17001 (derived) |
| Unemployment rate (civilian labor force) | 2.4% | 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 | 55025 |
| Land area | 1,196.5 sq mi |
| Water area | 41.01 sq mi |
| Population density | 479 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 |
|---|---|---|---|
| 53572 | 8.2% | 99.3% | Yes |
| 53589 | 7% | 97.9% | Yes |
| 53593 | 6.4% | 100% | Yes |
| 53590 | 5.5% | 100% | Yes |
| 53559 | 5.5% | 99.3% | Yes |
| 53575 | 4.6% | 100% | Yes |
| 53560 | 4.6% | 91.7% | Yes |
| 53597 | 4.4% | 100% | Yes |
| 53532 | 3.9% | 85.1% | Yes |
| 53508 | 3.7% | 65.8% | Yes |
| 53528 | 3.7% | 100% | Yes |
| 53531 | 3.4% | 100% | Yes |
| 53515 | 3.3% | 100% | Yes |
| 53529 | 3.3% | 100% | Yes |
| 53534 | 3.1% | 43.4% | |
| 53527 | 3% | 100% | Yes |
| 53562 | 2.6% | 100% | Yes |
| 53523 | 2.6% | 65.3% | Yes |
| 53517 | 2.3% | 60.9% | Yes |
| 53711 | 2.2% | 100% | Yes |
| 53521 | 2% | 41.1% | |
| 53704 | 1.8% | 100% | Yes |
| 53718 | 1.7% | 100% | Yes |
| 53583 | 1.7% | 27.7% | |
| 53558 | 1.5% | 100% | Yes |
| 53555 | 1.4% | 21.6% | |
| 53925 | 1.1% | 10.1% | |
| 53594 | 0.9% | 14.1% | |
| 53719 | 0.9% | 100% | Yes |
| 53713 | 0.8% | 100% | Yes |
| 53716 | 0.5% | 100% | Yes |
| 53705 | 0.5% | 100% | Yes |
| 53714 | 0.4% | 100% | Yes |
| 53717 | 0.3% | 100% | Yes |
| 53598 | 0.3% | 100% | Yes |
| 53911 | 0.2% | 7.8% | |
| 53516 | 0.2% | 3.1% | |
| 53703 | 0.2% | 100% | Yes |
| 53715 | 0.1% | 100% | Yes |
| 53574 | 0.1% | 2.6% | |
| 53726 | 0% | 100% | Yes |
| 53571 | 0% | 100% | Yes |
| 53706 | 0% | 100% | Yes |
| 53507 | 0% | 0.6% | |
| 53544 | 0% | 0.9% | |
| 53792 | 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:025&in=state:55
- 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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The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.
curl -s "https://api.olympus.new-odyssey.com/v1/geo-demographics/counties/55025" -H "X-API-Key: $OLYMPUS_API_KEY"get_us_demographics {"county_fips":"55025"}