# Milwaukee County, Wisconsin demographics

Canonical: https://olympus.new-odyssey.com/data/county/55079

Milwaukee County, Wisconsin (county FIPS 55079) has a median household income of $64,435 (±$1,218) and a total population of 926,331 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. 37 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 | 926,331 | none (controlled estimate) | B01003 |
| Median age | 35.5 years | ±0.1 years | B01002 |
| Households | 392,399 | ±1,628 | B11001 |
| Median household income (inflation-adjusted to the final ACS year) | $64,435 | ±$1,218 | B19013 |
| Median value of owner-occupied housing units | $230,700 | ±$2,063 | B25077 |
| Median gross rent | $1,101 | ±$8 | B25064 |
| Owner-occupied share of occupied housing units | 49.9% | none (derived from several estimates) | B25003 (derived) |
| Renter-occupied share of occupied housing units | 50.1% | none (derived from several estimates) | B25003 (derived) |
| High school graduate or higher (age 25+) | 89.5% | none (derived from several estimates) | B15003 (derived) |
| Bachelor's degree or higher (age 25+) | 34.7% | none (derived from several estimates) | B15003 (derived) |
| Share of people below the poverty level | 17.2% | none (derived from several estimates) | B17001 (derived) |
| Unemployment rate (civilian labor force) | 4.8% | 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 | 55079 |
| Land area | 241.46 sq mi |
| Water area | 948.06 sq mi |
| Population density | 3,836 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 |
| --- | --- | --- | --- |
| [53132](https://olympus.new-odyssey.com/data/zip/53132) | 14.4% | 100% | Yes |
| [53154](https://olympus.new-odyssey.com/data/zip/53154) | 11.8% | 100% | Yes |
| [53217](https://olympus.new-odyssey.com/data/zip/53217) | 5.8% | 99.4% | Yes |
| [53209](https://olympus.new-odyssey.com/data/zip/53209) | 4.5% | 100% | Yes |
| [53224](https://olympus.new-odyssey.com/data/zip/53224) | 4.2% | 100% | Yes |
| [53207](https://olympus.new-odyssey.com/data/zip/53207) | 4.1% | 100% | Yes |
| [53223](https://olympus.new-odyssey.com/data/zip/53223) | 4.1% | 100% | Yes |
| [53221](https://olympus.new-odyssey.com/data/zip/53221) | 3.7% | 100% | Yes |
| [53214](https://olympus.new-odyssey.com/data/zip/53214) | 3% | 100% | Yes |
| [53225](https://olympus.new-odyssey.com/data/zip/53225) | 2.8% | 98.5% | Yes |
| [53226](https://olympus.new-odyssey.com/data/zip/53226) | 2.8% | 100% | Yes |
| [53218](https://olympus.new-odyssey.com/data/zip/53218) | 2.4% | 100% | Yes |
| [53220](https://olympus.new-odyssey.com/data/zip/53220) | 2.3% | 100% | Yes |
| [53215](https://olympus.new-odyssey.com/data/zip/53215) | 2.3% | 100% | Yes |
| [53222](https://olympus.new-odyssey.com/data/zip/53222) | 2.2% | 100% | Yes |
| [53228](https://olympus.new-odyssey.com/data/zip/53228) | 2.2% | 100% | Yes |
| [53129](https://olympus.new-odyssey.com/data/zip/53129) | 2.1% | 100% | Yes |
| [53227](https://olympus.new-odyssey.com/data/zip/53227) | 2.1% | 99.6% | Yes |
| [53219](https://olympus.new-odyssey.com/data/zip/53219) | 2.1% | 100% | Yes |
| [53172](https://olympus.new-odyssey.com/data/zip/53172) | 2% | 100% | Yes |
| [53110](https://olympus.new-odyssey.com/data/zip/53110) | 2% | 100% | Yes |
| [53216](https://olympus.new-odyssey.com/data/zip/53216) | 1.9% | 100% | Yes |
| [53208](https://olympus.new-odyssey.com/data/zip/53208) | 1.7% | 100% | Yes |
| [53212](https://olympus.new-odyssey.com/data/zip/53212) | 1.7% | 100% | Yes |
| [53211](https://olympus.new-odyssey.com/data/zip/53211) | 1.6% | 100% | Yes |
| [53213](https://olympus.new-odyssey.com/data/zip/53213) | 1.6% | 100% | Yes |
| [53204](https://olympus.new-odyssey.com/data/zip/53204) | 1.3% | 100% | Yes |
| [53130](https://olympus.new-odyssey.com/data/zip/53130) | 1.3% | 100% | Yes |
| [53206](https://olympus.new-odyssey.com/data/zip/53206) | 1.1% | 100% | Yes |
| [53235](https://olympus.new-odyssey.com/data/zip/53235) | 1.1% | 100% | Yes |
| [53210](https://olympus.new-odyssey.com/data/zip/53210) | 1.1% | 100% | Yes |
| [53202](https://olympus.new-odyssey.com/data/zip/53202) | 0.9% | 100% | Yes |
| [53233](https://olympus.new-odyssey.com/data/zip/53233) | 0.7% | 100% | Yes |
| [53205](https://olympus.new-odyssey.com/data/zip/53205) | 0.6% | 100% | Yes |
| [53203](https://olympus.new-odyssey.com/data/zip/53203) | 0.2% | 100% | Yes |
| [53295](https://olympus.new-odyssey.com/data/zip/53295) | 0.1% | 100% | Yes |
| [53126](https://olympus.new-odyssey.com/data/zip/53126) | 0.1% | 0.3% |  |

## 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:079&in=state:55
- 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/55079" -H "X-API-Key: $OLYMPUS_API_KEY"
```

MCP tool: `get_us_demographics {"county_fips":"55079"}`

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

## Related pages

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

## 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.