Welcome to Sullivan City ...

The city of Sullivan City is located on the South Texas Plains.

Sullivan City is located in Hidalgo County<1>.

While we don't have a date for the founding of Sullivan City, you might consider that their post office opened in 1935.

From the Census Estimates for 2019, Sullivan City has a population of 4,190 people<2> (see below for details).

The community of Sullivan City is 180 feet [55 m] above sea level.<3>.

Time Zone: Sullivan City lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Code for Sullivan City: 956

The ZIP code for Sullivan City: 78595<4>

Population Details ...

Taken from the 2019 Census Estimates, Sullivan City had an population of 4,190 people. This is an increase of 4.7% since the 2010 Census (or an increase of 4.8% since the 2000 Census).

At the time of the 2010 Census, Sullivan City had a population of 4,002 people. This makes Sullivan City the county's 16th most populous community.

The population of Sullivan City represents 0.02% of the total population of Texas (which has 25,145,561 people), making it the state's 382nd most populous community.

With a 2010 count of 4,002 people, the population of Sullivan City has remained roughly the same as the 2000 Census (which had a count of 3,998 people).

More information can be found on the Census Page for Sullivan City.

Communities Also Named Sullivan City ...

Using our Gazetteer, we found another community named Sullivan City - it's located in Missouri.

For more information, see our Tidbits & Trivia Page for Sullivan City.

Communities near Sullivan City ...

We have created a list of 10 communities that are near Sullivan City.

Mission
(15 miles [24.1 km] to the east)
- Jump to our Gazetteer entry for Mission
- Mission is located in Hidalgo County
- Population from the 2020 Census: 84,496 people
- Jump to TripAdvisor's Tourism page for Mission <5>
- Google driving directions:
- From your current location to Mission
- From Sullivan City to Mission
Alton
(15 miles [24.1 km] to the east)
- Note: The GPS coordinates that we are using for Alton have been provided by the GNIS.<6> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Alton
- Alton is located in Hidalgo County
- Population from the 2020 Census: 18,785 people
- Jump to TripAdvisor's Tourism page for Alton <5>
Rio Grande City
(17 miles [27.4 km] to the northwest)
- Jump to our Gazetteer entry for Rio Grande City
- Rio Grande City is located in Starr County
- Population from the 2020 Census: 14,439 people
- Jump to TripAdvisor's Tourism page for Rio Grande City <5>
- Google driving directions:
- From your current location to Rio Grande City
- From Sullivan City to Rio Grande City
Palmview
(12 miles [19.3 km] to the east)
- Note: The GPS coordinates that we are using for Palmview have been provided by the GNIS.<6> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Palmview
- Palmview is located in Hidalgo County
- Population from the 2020 Census: 5,839 people
Penitas
(8 miles [12.9 km] to the southeast)
- Jump to our Gazetteer entry for Penitas
- Penitas is located in Hidalgo County
- Population from the 2020 Census: 4,596 people
- Jump to TripAdvisor's Tourism page for Penitas <5>
- Google driving directions:
- From your current location to Penitas
- From Sullivan City to Penitas
La Joya
(5 miles [8 km] to the southeast)
- Jump to our Gazetteer entry for La Joya
- La Joya is located in Hidalgo County
- Population from the 2020 Census: 4,581 people
- Jump to TripAdvisor's Tourism page for La Joya <5>
- Google driving directions:
- From your current location to La Joya
- From Sullivan City to La Joya
Palmhurst
(16 miles [25.7 km] to the east)
- Note: The GPS coordinates that we are using for Palmhurst have been provided by the GNIS.<6> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Palmhurst
- Palmhurst is located in Hidalgo County
- Population from the 2020 Census: 2,719 people
La Grulla
(5 miles [8 km] to the west)
- Jump to our Gazetteer entry for La Grulla
- La Grulla is located in Starr County
- Population from the 2020 Census: 1,682 people
- Google driving directions:
- From your current location to La Grulla
- From Sullivan City to La Grulla
Granjeno
(18 miles [29 km] to the southeast)
- Jump to our Gazetteer entry for Granjeno
- Granjeno is located in Hidalgo County
- Population from the 2020 Census: 317 people
- Google driving directions:
- From your current location to Granjeno
- From Sullivan City to Granjeno
Havana
(4 miles [6.4 km] to the southeast)
- Jump to our Gazetteer entry for Havana
- Havana is located in Hidalgo County
- Google driving directions:
- From your current location to Havana
- From Sullivan City to Havana

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Sullivan City. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Sullivan City.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Sullivan City. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Sullivan City.

TripAdvisor Tourism Pages for Sullivan City ...

Looking for more information about Sullivan City? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Sullivan City, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Sullivan City.

Adding Sullivan City to Our Gazetteer ...

We originally found mention of Sullivan City in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Sullivan City was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

From that list, the Sullivan City post office opened in 1935.

For more details, see References and Mentions for Sullivan City.

Footnotes ...

<1>	If you're interested in how the shape of Texas' counties, including Hidalgo, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>	Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Sullivan City.
<3>	The elevation is an estimate for the area around Sullivan City - it will be higher in some places and lower in others.
<4>	ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Sullivan City). When looking for a ZIP Code, whether Sullivan City or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>	While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>	The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<7>	A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/