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Where am ILOCATED

Clay County, Iowa

Clay County, Iowa, has 16,202 residents (July 2025 estimate). Its county seat is Spencer. It uses Central Time and covers 567 sq mi (1,469 km²) of land.

Des MoinesCedar RapidsDavenport
Clay County in Iowa
SpencerRoyalEverlyPetersonFostoria
Clay County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
16,202
Land area
567 sq mi (1,469 km²)
County seat or government
Spencer
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$65,428 ± $5,096
Median home value
$178,600 ± $10,755
Median rent, with utilities
$811 ± $77
Homes lived in by their owners
73.3% ± 3.2 points
County type
County
Metro or micro area
Spencer, IA micro areaCentral county
Water area
5.35 sq mi (13.9 km²)
State
Iowa
County code (FIPS)
19041
Coordinates (central point)
43.081224, -95.149875
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Clay County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 5130112,638 people
  2. 513462,247 people
  3. 513581,213 people
  4. 510581,096 people
  5. 505851,080 people
  6. 51357910 people
  7. 51338852 people
  8. 51364803 people
  9. 51047693 people
  10. 51033421 people
  11. 50565380 people
  12. 51333374 people
All 17
  1. 50515251 people
  2. 51366245 people
  3. 51343172 people
  4. 5134075 people
  5. 5134140 people

17 ZIP Code areas overlap Clay County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Clay County, largest first

  1. Lone Tree Township822 people
  2. Clay Township740 people
  3. Summit Township416 people
  4. Peterson Township411 people
  5. Freeman Township384 people
  6. Sioux Township350 people
  7. Gillett Grove Township270 people
  8. Meadow Township270 people
  9. Lincoln Township259 people
  10. Garfield Township212 people
  11. Riverton Township205 people
  12. Douglas Township191 people
All 16
  1. Lake Township185 people
  2. Herdland Township157 people
  3. Logan Township123 people
  4. Waterford Township66 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Iowa, by county

School districts in Clay County, largest first

  1. Spencer Community School District12,664 people
  2. Okoboji Community School District7,250 people
  3. South O'Brien Community School District4,136 people
  4. Hartley-Melvin-Sanborn Community School District4,073 people
  5. Graettinger-Terril Community School District2,559 people
  6. Sioux Central Community School District2,499 people
  7. Clay Central-Everly Community School District2,237 people
  8. Laurens-Marathon Community School District2,062 people
  9. Ruthven-Ayrshire Community School District1,389 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Spencer, Iowa (city)11,400 people
  2. Royal, Iowa (city)585 people
  3. Everly, Iowa (city)584 people
  4. Peterson, Iowa (city)298 people
  5. Fostoria, Iowa (city)181 people
  6. Dickens, Iowa (city)131 people
  7. Webb, Iowa (city)102 people
  8. Rossie, Iowa (city)88 people
  9. Greenville, Iowa (city)62 people
  10. Gillett Grove, Iowa (city)40 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Dickinson County, Iowa21 mi north
  2. Buena Vista County, Iowa23 mi south
  3. O'Brien County, Iowa24 mi west
  4. Palo Alto County, Iowa24 mi east
  5. Emmet County, Iowa32 mi northeast
  6. Osceola County, Iowa32 mi northwest
  7. Pocahontas County, Iowa34 mi southeast
  8. Cherokee County, Iowa34 mi southwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.