Sumner County, Kansas

**Sumner County** (standard abbreviation: **SU**) is a county in the U.S. state of Kansas. In 2020, 22,382 people lived there. Its county seat is Wellington.

### 19th century

On February 26, 1867, Sumner County was created from parts of Marion County and Butler County. It was named after Charles Sumner, a U.S. Senator from Massachusetts (1811–74), who was wanted Kansas to be a free state.

In 1887, the Chicago, Kansas and Nebraska Railway built a north-south railroad from Herington to Caldwell.  This railroad connected Herington, Lost Springs, Lincolnville, Antelope, Marion, Aulne, Peabody, Elbing, Whitewater, Furley, Kechi, Wichita, Peck, Corbin, Wellington, Caldwell.  By 1893, this railroad was slowly built to Fort Worth, Texas. This line is called the "OKT".

### 21st century

In December 2011, the Kansas Star Casino opened about  west of the center of Mulvane.

## Geography

The U.S. Census Bureau says that the county has a total area of . Of that,  is land and  (0.3%) is water.

## People

Sumner County is part of the Wichita, KS Metropolitan Statistical Area

## Government

Sumner County often votes for the Republican Party in Presidential elections. However, in 1992 George H. W. Bush won the county by less than two percent. The last time they have voted for a Democratic candidate was in 1976 for Jimmy Carter.

### Presidential elections

|Year|Republican|Democratic|Third Parties|||||
| --- | --- | --- | --- | --- | --- | --- | --- |
|style="text-align:center;"|**2020**|style="text-align:center;"|**74.2%** _8,105_|style="text-align:center;"|23.7% _2,591_|style="text-align:center; background:honeyDew;"|2.1% _232_|
|style="text-align:center;"|**2016**|style="text-align:center;"|**71.8%** _6,984_|style="text-align:center;"|21.4% _2,076_|style="text-align:center; background:honeyDew;"|6.8% _662_|
|style="text-align:center;"|**2012**|style="text-align:center;"|**68.5%** _6,260_|style="text-align:center;"|29.1% _2,658_|style="text-align:center; background:honeyDew;"|2.4% _223_|
|style="text-align:center;"|**2008**|style="text-align:center;"|**65.2%** _6,737_|style="text-align:center;"|32.4% _3,353_|style="text-align:center; background:honeyDew;"|2.4% _247_|
|style="text-align:center;"|**2004**|style="text-align:center;"|**67.6%** _7,092_|style="text-align:center;"|30.7% _3,217_|style="text-align:center; background:honeyDew;"|1.7% _179_|
|style="text-align:center;"|**2000**|style="text-align:center;"|**60.4%** _6,176_|style="text-align:center;"|34.7% _3,549_|style="text-align:center; background:honeyDew;"|5.0% _507_|
|style="text-align:center;"|**1996**|style="text-align:center;"|**54.2%** _5,952_|style="text-align:center;"|33.1% _3,638_|style="text-align:center; background:honeyDew;"|12.6% _1,387_|
|style="text-align:center;"|**1992**|style="text-align:center;"|**35.3%** _4,087_|style="text-align:center;"|30.8% _3,564_|style="text-align:center; background:honeyDew;"|34.0% _3,937_|
|style="text-align:center;"|**1988**|style="text-align:center;"|**53.7%** _5,394_|style="text-align:center;"|44.0% _4,417_|style="text-align:center; background:honeyDew;"|2.3% _231_|
|style="text-align:center;"|**1984**|style="text-align:center;"|**64.3%** _6,942_|style="text-align:center;"|34.4% _3,708_|style="text-align:center; background:honeyDew;"|1.3% _143_|
|style="text-align:center;"|**1980**|style="text-align:center;"|**57.5%** _6,038_|style="text-align:center;"|35.8% _3,761_|style="text-align:center; background:honeyDew;"|6.6% _697_|
|style="text-align:center;"|**1976**|style="text-align:center;"|44.9% _4,645_|style="text-align:center;"|**52.1%** _5,385_|style="text-align:center; background:honeyDew;"|3.0% _310_|
|style="text-align:center;"|**1972**|style="text-align:center;"|**68.1%** _6,941_|style="text-align:center;"|26.3% _2,685_|style="text-align:center; background:honeyDew;"|5.6% _569_|
|style="text-align:center;"|**1968**|style="text-align:center;"|**54.5%** _5,622_|style="text-align:center;"|34.5% _3,562_|style="text-align:center; background:honeyDew;"|11.0% _1,136_|
|style="text-align:center;"|**1964**|style="text-align:center;"|45.6% _4,760_|style="text-align:center;"|**53.3%** _5,574_|style="text-align:center; background:honeyDew;"|1.1% _116_|
|style="text-align:center;"|**1960**|style="text-align:center;"|**61.5%** _7,219_|style="text-align:center;"|38.0% _4,462_|style="text-align:center; background:honeyDew;"|0.5% _55_|
|style="text-align:center;"|**1956**|style="text-align:center;"|**63.0%** _7,024_|style="text-align:center;"|36.6% _4,088_|style="text-align:center; background:honeyDew;"|0.4% _46_|
|style="text-align:center;"|**1952**|style="text-align:center;"|**69.0%** _8,134_|style="text-align:center;"|30.2% _3,567_|style="text-align:center; background:honeyDew;"|0.8% _96_|
|style="text-align:center;"|**1948**|style="text-align:center;"|**55.4%** _5,922_|style="text-align:center;"|42.8% _4,571_|style="text-align:center; background:honeyDew;"|1.8% _192_|
|style="text-align:center;"|**1944**|style="text-align:center;"|**59.9%** _6,343_|style="text-align:center;"|39.5% _4,187_|style="text-align:center; background:honeyDew;"|0.6% _64_|
|style="text-align:center;"|**1940**|style="text-align:center;"|**51.9%** _6,585_|style="text-align:center;"|47.2% _5,988_|style="text-align:center; background:honeyDew;"|1.0% _125_|
|style="text-align:center;"|**1936**|style="text-align:center;"|38.2% _4,946_|style="text-align:center;"|**61.6%** _7,966_|style="text-align:center; background:honeyDew;"|0.2% _27_|
|style="text-align:center;"|**1932**|style="text-align:center;"|42.4% _4,926_|style="text-align:center;"|**54.7%** _6,353_|style="text-align:center; background:honeyDew;"|2.9% _340_|
|style="text-align:center;"|**1928**|style="text-align:center;"|**79.6%** _8,951_|style="text-align:center;"|18.8% _2,108_|style="text-align:center; background:honeyDew;"|1.6% _181_|
|style="text-align:center;"|**1924**|style="text-align:center;"|**54.9%** _5,552_|style="text-align:center;"|25.3% _2,556_|style="text-align:center; background:honeyDew;"|19.8% _2,000_|
|style="text-align:center;"|**1920**|style="text-align:center;"|**60.5%** _5,830_|style="text-align:center;"|35.8% _3,454_|style="text-align:center; background:honeyDew;"|3.7% _354_|
|style="text-align:center;"|**1916**|style="text-align:center;"|39.4% _4,079_|style="text-align:center;"|**53.3%** _5,519_|style="text-align:center; background:honeyDew;"|7.4% _763_|
|style="text-align:center;"|**1912**|style="text-align:center;"|12.2% _781_|style="text-align:center;"|40.0% _2,557_|style="text-align:center; background:honeyDew;"|**47.8%** _3,060_|
|style="text-align:center;"|**1908**|style="text-align:center;"|**51.3%** _3,235_|style="text-align:center;"|44.0% _2,772_|style="text-align:center; background:honeyDew;"|4.8% _299_|
|style="text-align:center;"|**1904**|style="text-align:center;"|**61.6%** _3,264_|style="text-align:center;"|28.1% _1,489_|style="text-align:center; background:honeyDew;"|10.3% _545_|
|style="text-align:center;"|**1900**|style="text-align:center;"|**50.6%** _3,184_|style="text-align:center;"|47.4% _2,982_|style="text-align:center; background:honeyDew;"|2.0% _125_|
|style="text-align:center;"|**1896**|style="text-align:center;"|44.8% _2,515_|style="text-align:center;"|**54.2%** _3,048_|style="text-align:center; background:honeyDew;"|1.0% _56_|
|style="text-align:center;"|**1892**|style="text-align:center;"|45.5% _3,503_||style="text-align:center; background:honeyDew;"|**54.5%** _4,192_||
|style="text-align:center;"|**1888**|style="text-align:center;"|**49.7%** _3,499_|style="text-align:center;"|30.4% _2,139_|style="text-align:center; background:honeyDew;"|19.9% _1,400_|

### Unified school districts

- USD 263, Mulvane
- USD 353, Wellington
- USD 356, Conway Springs
- USD 357, Belle Plaine
- USD 358, Oxford
- USD 359, Argonia
- USD 360, Caldwell
- USD 509, South Haven

### Cities

- Argonia
- Belle Plaine
- Caldwell
- Conway Springs
- Geuda Springs (partly in Cowley County)
- Hunnewell
- Mayfield
- Milan
- Mulvane (partly in Sedgwick County)
- Oxford
- South Haven
- Wellington

## References

- Notes

## More reading

- _Standard Atlas of Sumner County, Kansas_; Geo. A. Ogle & Co; 100 pages; 1918.
- _Standard Atlas of Sumner County, Kansas_; Geo. A. Ogle & Co; 68 pages; 1902.
- _Edwards' Historical Atlas of Sumner County, Kansas_; John P. Edwards; 59 pages; 1883.

## Other websites

- County
- Sumner County - Directory of Public Officials
- Historical
- Sumner County Historical and Genealogical Society
- Sumner County Historical and Genealogical Research Center
- Maps
- Sumner County Maps: Current , Historic , KDOT
- Kansas Highway Maps: Current , Historic , KDOT
- Kansas Railroad Maps: Current , 1996, 1915, KDOT and Kansas Historical Society

## Infobox (u.s. county)

- **county**: Sumner County
- **state**: Kansas
- **ex image**: Oxford Mill - front.jpg
- **ex image size**: 220px
- **ex image cap**: National Register of Historic Places listings in Sumner County, Kansas, Old Oxford Mill in Oxford, Kansas, Oxford (2012)
- **type**: County (United States), County
- **founded**: December 20, 1870
- **named for**: Charles Sumner
- **seat wl**: Wellington
- **largest city wl**: Wellington
- **area total sq mi**: 1185
- **area land sq mi**: 1182
- **area water sq mi**: 3.0
- **area percentage**: 0.3
- **population as of**: 2020
- **population total**: 22,382
- **population density sq mi**: 18.9
- **area codes**: Area code 620, 620
- **district**: 4th
- **time zone**: Central