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Welcome to Jasper County ...

Time Zone: Jasper County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Newton is the Seat for Jasper County.

Jasper County was founded January 13, 1846 and was created by taking area from Mahaska County.

From the Census Estimates for 2019, <1> Jasper had a population of 37,185 people. This is an increase of 1.01% since the last Census (which gave a population of 36,812 people in 2010).

At the time of the 2010 Census, Jasper represented 1.21% of the total population of Iowa.

Below are some of the communities located in Jasper County:

  • Baxter
    (11 miles [17.7 km] to the northwest)
    • Baxter is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Baxter
    • Population from the 2020 Census: 1,132 people
    • Jump to TripAdvisor's Tourism page for Baxter <2>
  • Colfax
    (9 miles [14.5 km] to the west)
    • Colfax is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Colfax
    • Population from the 2020 Census: 2,050 people
    • Jump to TripAdvisor's Tourism page for Colfax <2>
  • Kellogg
    (8 miles [12.9 km] to the east)
  • Lambs Grove
    (2 miles [3.2 km] to the northwest)
    • Lambs Grove is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Lambs Grove
    • Population from the 2020 Census: 165 people
  • Lynnville
    (15 miles [24.1 km] to the southeast)
  • Mingo
    (13 miles [20.9 km] to the northwest)
    • Mingo is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Mingo
    • Population from the 2020 Census: 309 people
    • Jump to TripAdvisor's Tourism page for Mingo <2>
  • Monroe
    (10 miles [16.1 km] to the south)
    • Monroe is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Monroe
    • Population from the 2020 Census: 1,905 people
    • Jump to TripAdvisor's Tourism page for Monroe <2>
  • Newton
    (2 miles [3.2 km] to the northeast)
    • Newton is located in Jasper County (IA)
    • Jump to our Gazetteer entry for Newton
    • Population from the 2020 Census: 15,127 people
    • Jump to TripAdvisor's Tourism page for Newton <2>
  • Continue List   (5 more) ...
    • Oakland Acres
      (12 miles [19.3 km] to the east)
      • Oakland Acres is located in Jasper County (IA)
      • Jump to our Gazetteer entry for Oakland Acres
      • Population from the 2020 Census: 161 people
    • Prairie City
      (10 miles [16.1 km] to the southwest)
    • Reasnor
      (6 miles [9.7 km] to the south)
      • Reasnor is located in Jasper County (IA)
      • Jump to our Gazetteer entry for Reasnor
      • Population from the 2020 Census: 156 people
    • Sully
      (12 miles [19.3 km] to the southeast)
      • Sully is located in Jasper County (IA)
      • Jump to our Gazetteer entry for Sully
      • Population from the 2020 Census: 826 people
      • Jump to TripAdvisor's Tourism page for Sully <2>
    • Valeria
      (14 miles [22.5 km] to the west)
      • Valeria is located in Jasper County (IA)
      • Jump to our Gazetteer entry for Valeria
      • Population from the 2020 Census: 58 people

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.