Johnson County Public Records
| About Johnson County | |
| Land Area: | 476.78 Square Miles |
| County Located in: | Kansas |
| Population Estimate: | 542737 People |
| Number of Households: | 174570 |
| Number of Businesses: | 49543 |
| Median Household Income: | $76250 |
| Per Capita Income: | $53472 |
| Unemployment Rate: | 4.4 |
| Annual Number of Births: | 7740 |
| Annual Number of Deaths: | 3162 |
| Annual New Home Starts: | 1660 |
Johnson County Records Offices
County Seat of Johnson
100 E Santa Fe St
Olathe, KS 66061
913-971-8700
Johnson Adult Detention Center
101 N Kansas Ave
Olathe, KS 66061
913-791-1100
Appraiser
11811 S. Sunset Dr.
Olathe, KS 66061
913-715-9000
Election Office
2101 E Kansas City Rd
Olathe, KS 66061
913-782-3441
Infrastructure and Transportation
1800 W 56 Highway
Olathe, KS 66061
913-715-8300
Treasurer
111 S Cherry St # 1500
Olathe, KS 66061
913-715-2600
Johnson Register of Deeds
111 S Cherry St # 1300
Olathe, KS 66061
913-715-5000
Olathe Area Chamber of Commerce
18001 W. 106th St., Suite 160
Olathe, KS 66061
913-764-1050
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