--- type: Jurisdiction title: "Johnson County, KS" classification: county fips: "20091" state: "KS" demographics: population: 620631 population_under_18: 145751 population_18_64: 375875 population_65_plus: 99005 median_household_income: 109208 poverty_rate: 5.41 homeownership_rate: 68.53 unemployment_rate: 3.2 median_home_value: 391200 gini_index: 0.4457 vacancy_rate: 3.9 race_white: 487296 race_black: 30711 race_asian: 32405 race_native: 1940 hispanic: 57813 bachelors_plus: 342034 districts: - to: "us/states/ks/districts/03" rel: in-district area_weight: 0.9985 - to: "us/states/ks/districts/senate/37" rel: in-district area_weight: 0.2265 - to: "us/states/ks/districts/senate/9" rel: in-district area_weight: 0.1706 - to: "us/states/ks/districts/senate/10" rel: in-district area_weight: 0.1185 - to: "us/states/ks/districts/senate/23" rel: in-district area_weight: 0.1142 - to: "us/states/ks/districts/senate/11" rel: in-district area_weight: 0.1088 - to: "us/states/ks/districts/senate/35" rel: in-district area_weight: 0.1037 - to: "us/states/ks/districts/senate/21" rel: in-district area_weight: 0.0601 - to: "us/states/ks/districts/senate/8" rel: in-district area_weight: 0.047 - to: "us/states/ks/districts/senate/7" rel: in-district area_weight: 0.0445 - to: "us/states/ks/districts/senate/6" rel: in-district area_weight: 0.0056 - to: "us/states/ks/districts/house/121" rel: in-district area_weight: 0.1408 - to: "us/states/ks/districts/house/27" rel: in-district area_weight: 0.106 - to: "us/states/ks/districts/house/43" rel: in-district area_weight: 0.0947 - to: "us/states/ks/districts/house/117" rel: in-district area_weight: 0.0844 - to: "us/states/ks/districts/house/5" rel: in-district area_weight: 0.0819 - to: "us/states/ks/districts/house/26" rel: in-district area_weight: 0.0713 - to: "us/states/ks/districts/house/39" rel: in-district area_weight: 0.0413 - to: "us/states/ks/districts/house/30" rel: in-district area_weight: 0.0395 - to: "us/states/ks/districts/house/15" rel: in-district area_weight: 0.0367 - to: "us/states/ks/districts/house/14" rel: in-district area_weight: 0.032 - to: "us/states/ks/districts/house/17" rel: in-district area_weight: 0.0302 - to: "us/states/ks/districts/house/20" rel: in-district area_weight: 0.0245 - to: "us/states/ks/districts/house/8" rel: in-district area_weight: 0.0221 - to: "us/states/ks/districts/house/24" rel: in-district area_weight: 0.0178 - to: "us/states/ks/districts/house/28" rel: in-district area_weight: 0.0164 - to: "us/states/ks/districts/house/18" rel: in-district area_weight: 0.0156 - to: "us/states/ks/districts/house/29" rel: in-district area_weight: 0.0155 - to: "us/states/ks/districts/house/25" rel: in-district area_weight: 0.0154 - to: "us/states/ks/districts/house/19" rel: in-district area_weight: 0.015 - to: "us/states/ks/districts/house/16" rel: in-district area_weight: 0.0145 - to: "us/states/ks/districts/house/108" rel: in-district area_weight: 0.0138 - to: "us/states/ks/districts/house/49" rel: in-district area_weight: 0.0132 - to: "us/states/ks/districts/house/23" rel: in-district area_weight: 0.0125 - to: "us/states/ks/districts/house/21" rel: in-district area_weight: 0.0122 - to: "us/states/ks/districts/house/48" rel: in-district area_weight: 0.012 - to: "us/states/ks/districts/house/78" rel: in-district area_weight: 0.0104 - to: "us/states/ks/districts/house/22" rel: in-district area_weight: 0.01 sources: - field: demographics source: "Census ACS 2023" - field: districts source: "PostGIS area-intersection over Census TIGER 2024 boundaries" confidence: official tags: [jurisdiction, county, ks] timestamp: "2026-07-03" --- # Johnson County, KS County jurisdiction — 4 officeholders mapped. ## Demographics (ACS 2023) | Measure | Value | | --- | --- | | Population | 620631 | | Under 18 | 145751 | | 18–64 | 375875 | | 65+ | 99005 | | Median household income | 109208 | | Poverty rate | 5.41 | | Homeownership rate | 68.53 | | Unemployment rate | 3.2 | | Median home value | 391200 | | Gini index | 0.4457 | | Vacancy rate | 3.9 | | White | 487296 | | Black | 30711 | | Asian | 32405 | | Native | 1940 | | Hispanic/Latino | 57813 | | Bachelor's or higher | 342034 | ## Districts - [KS-03](/us/states/ks/districts/03.md) — 100% (congressional) - [KS Senate District 37](/us/states/ks/districts/senate/37.md) — 23% (state senate) - [KS Senate District 9](/us/states/ks/districts/senate/9.md) — 17% (state senate) - [KS Senate District 10](/us/states/ks/districts/senate/10.md) — 12% (state senate) - [KS Senate District 23](/us/states/ks/districts/senate/23.md) — 11% (state senate) - [KS Senate District 11](/us/states/ks/districts/senate/11.md) — 11% (state senate) - [KS Senate District 35](/us/states/ks/districts/senate/35.md) — 10% (state senate) - [KS Senate District 21](/us/states/ks/districts/senate/21.md) — 6% (state senate) - [KS Senate District 8](/us/states/ks/districts/senate/8.md) — 5% (state senate) - [KS Senate District 7](/us/states/ks/districts/senate/7.md) — 4% (state senate) - [KS Senate District 6](/us/states/ks/districts/senate/6.md) — 1% (state senate) - [KS House District 121](/us/states/ks/districts/house/121.md) — 14% (state house) - [KS House District 27](/us/states/ks/districts/house/27.md) — 11% (state house) - [KS House District 43](/us/states/ks/districts/house/43.md) — 9% (state house) - [KS House District 117](/us/states/ks/districts/house/117.md) — 8% (state house) - [KS House District 5](/us/states/ks/districts/house/5.md) — 8% (state house) - [KS House District 26](/us/states/ks/districts/house/26.md) — 7% (state house) - [KS House District 39](/us/states/ks/districts/house/39.md) — 4% (state house) - [KS House District 30](/us/states/ks/districts/house/30.md) — 4% (state house) - [KS House District 15](/us/states/ks/districts/house/15.md) — 4% (state house) - [KS House District 14](/us/states/ks/districts/house/14.md) — 3% (state house) - [KS House District 17](/us/states/ks/districts/house/17.md) — 3% (state house) - [KS House District 20](/us/states/ks/districts/house/20.md) — 2% (state house) - [KS House District 8](/us/states/ks/districts/house/8.md) — 2% (state house) - [KS House District 24](/us/states/ks/districts/house/24.md) — 2% (state house) - [KS House District 28](/us/states/ks/districts/house/28.md) — 2% (state house) - [KS House District 18](/us/states/ks/districts/house/18.md) — 2% (state house) - [KS House District 29](/us/states/ks/districts/house/29.md) — 2% (state house) - [KS House District 25](/us/states/ks/districts/house/25.md) — 2% (state house) - [KS House District 19](/us/states/ks/districts/house/19.md) — 2% (state house) - [KS House District 16](/us/states/ks/districts/house/16.md) — 1% (state house) - [KS House District 108](/us/states/ks/districts/house/108.md) — 1% (state house) - [KS House District 49](/us/states/ks/districts/house/49.md) — 1% (state house) - [KS House District 23](/us/states/ks/districts/house/23.md) — 1% (state house) - [KS House District 21](/us/states/ks/districts/house/21.md) — 1% (state house) - [KS House District 48](/us/states/ks/districts/house/48.md) — 1% (state house) - [KS House District 78](/us/states/ks/districts/house/78.md) — 1% (state house) - [KS House District 22](/us/states/ks/districts/house/22.md) — 1% (state house) ## Source - demographics: Census ACS 2023 - districts: PostGIS area-intersection over Census TIGER 2024 boundaries