| City: | Port Mansfield, Texas |
| City Alias: | Prt Mansfield, Raymondville |
| County: | Willacy County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:50:20 AM |
| Population: | 319 [See All] |
| Area Code: | 956 |
| Classification: | PO Box |
| Coordinates: | 26.5417, -97.5029 |
| Land Area: | 6.344 sq mi |
| Quick Link: |
Port Mansfield sits on the Laguna Madre in Willacy County, Texas, serving as a fishing village and seasonal retirement destination. With a median age of 61.9 years, this is one of the oldest communities by age in Texas. The 319 year-round residents live primarily in multi-family condominiums along Mansfield Drive, the community's single street.
Despite its classification as a PO Box ZIP code, Port Mansfield has no post office. Mail arrives via rural carrier route from the Raymondville Post Office. Of 412 total housing units, 255 (62%) sit vacant most of the year. The Census identifies 214 units as seasonal, recreational, or occasional use. This seasonal pattern reflects Port Mansfield's role as a winter fishing retreat and summer vacation spot on the Gulf Coast.
The 157 occupied homes house retirees and fishing guides. Median household income is $25,000, reflecting the modest retirement and seasonal nature of the community. However, 51.3% of adults hold bachelor's degrees or higher, suggesting this isn't economic hardship but rather a chosen lifestyle in a remote coastal location.
Port Mansfield's address system is unusual. Nearly all delivery points (300 of 302) are classified as multi-family dwelling units with UNIT designators on Mansfield Drive. There are no traditional PO Boxes. Mail is addressed to street addresses in Port Mansfield but sorted through Raymondville's post office, about 30 miles inland.
Entire community consists of multi-family units along Mansfield Drive.
ZIP Code 78598 has 319 residents and 157 households (average 2.03 persons per household). The median age is 61.9 years, significantly older than the state (35.6) and significantly older than the nation (38.8). The gender split is 48.0% male and 52.0% female, which is slightly lower than the state male share (49.4%), making this a female-majority area. Largest groups are White (81.5%, much higher than the state average of 50.1% and well above the national average of 61.6%) and Hispanic or Latino (24.1%); Hispanic or Latino residents make up 24.1%, which is much lower than the state average (39.3%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 319Source: Census DHC |
| 2024 ACS Population Estimate: | 245Source: Census ACS |
| 2026 ZC Population Estimate: | 611Source: ZIP-Codes.com |
| Population Density: | 50.3 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 157Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.03Source: Census DHC |
| Average Family Size: | 2.87Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 257 | 297 | 192 | 104 | 70 | 121 | 95 | 88 | 87 | 127 | 132 | 108 | 157 | 245 |
| Decennial Census | 226 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 319 | -- | -- | -- | -- |
Median Age: 61.9
Male Median Age: 64.5
Female Median Age: 58.1
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 2 | 2 | 7 | 3 | 3 | 8 | 3 | 4 | 2 | 5 | 5 | 9 | 28 | 22 | 15 | 28 | 4 | 3 |
| Female | 2 | 7 | 6 | 6 | 8 | 4 | 5 | 12 | 5 | 8 | 10 | 18 | 21 | 19 | 15 | 13 | 2 | 5 |
| Total | 4 | 9 | 13 | 9 | 11 | 12 | 8 | 16 | 7 | 13 | 15 | 27 | 49 | 41 | 30 | 41 | 6 | 8 |
| White: | 260 | 72.42% |
| Black: | 1 | 0.28% |
| Hispanic:* | 77 | 21.45% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 21 | 5.85% |
| Total: | 359 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 153 | 47.96% | 64.5 years |
| Females: | 166 | 52.04% | 58.1 years |
| Total: | 319 | 100% | 61.9 years |
| Native, born in the United States: | 245 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 245 | 100% |
| Total Native Population: | 245 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $0, which is well under the national median ($78,538), is down $15,521 (100.0%) since 2011 and below its 2019 pre-pandemic level by $30,313. Family households earn a median of $0 versus $21,583 for nonfamily households (a difference of $21,583). By gender, male median income is $0 and female is $66,833, which is much higher than the national female median ($53,445), with a current gap of $66,833 that has narrowed from 2011 to 2024. The labor-force participation rate is 40.2%, which is much lower than the national rate (63.5%). The unemployment rate is 0.0%, which is markedly below the national rate (5.2%). The largest occupation group is Management (56.0%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $15,521 | $11,750 | $9,143 | $15,515 | $12,321 | $0 | $0 | $0 | $30,313 | $17,222 | $0 | $23,523 | $25,000 | $0 |
| Median Family Income | $16,875 | $12,500 | $9,183 | $16,458 | $16,429 | $0 | $0 | $0 | $0 | $0 | $47,917 | $0 | $0 | $0 |
| Median NonFamily Income | $11,750 | $11,750 | $9,028 | $9,125 | $0 | $15,455 | $17,250 | $17,250 | $20,000 | $16,477 | $19,063 | $0 | $0 | $21,583 |
| Median Male Income | $36,964 | $40,000 | $0 | $0 | $0 | $0 | $0 | $43,750 | $46,667 | $0 | $0 | $0 | $0 | $0 |
| Median Female Income | $29,205 | $0 | $0 | $0 | $0 | $15,833 | $15,917 | $15,962 | $15,938 | $0 | $0 | $0 | $0 | $66,833 |
| Employed: | 84 | 40.19% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 125 | 59.81% |
| Total: | 209 | 100% |
| Management, business, science, and arts: | 47 | 55.95% |
| Service: | 18 | 21.43% |
| Sales and Office: | 0 | 0.00% |
| Natural resources, construction, and maintenance: | 13 | 15.48% |
| Production, transportation, and material moving: | 6 | 7.14% |
| Total Civilian Employed Population: | 84 | 100% |
In 2024, the median home value is $0, which is much lower than the national median ($303,400), is down $58,800 (100.00%) since 2011 and below its 2019 pre-pandemic level by $152,100. The median gross rent is $0, which is well under the national median ($1,348), and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 88.10% (32.43% with a mortgage, 67.57% free-and-clear) and renters 11.90% - making this ZIP Code under national rental averages. The vacancy rate is 62.94%, which is much higher than the national rate (10.43%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $58,800 | $52,000 | $53,800 | $115,600 | $106,300 | $118,800 | $115,600 | $117,700 | $152,100 | $112,500 | $176,700 | $208,700 | $0 | $0 |
| Less than $500: | 0 | 0.00% |
| $500 to $999: | 0 | 0.00% |
| $1,000 to $1,499: | 0 | 0.00% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 15 | 100.00% |
| Total: | 15 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $925 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 36 | 28.57% |
| Owner Occupied (free and clear, no mortgage): | 75 | 59.52% |
| Renter Occupied: | 15 | 11.90% |
| Total Occupied Housing Units: | 126 | 100% |
| Occupied Housing Units: | 126 | 37.06% |
| Vacant Housing Units (not graphed): | 214 | 62.94% |
| Total Housing Units: | 340 | 100% |
| Single-Family Units: | 286 | 84.12% |
| Multi-Family Units: | 27 | 7.94% |
| Other Units: | 27 | 7.94% |
| Total Housing Units: | 340 | 100% |
In 2024, 52.80% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.00%). High school or higher is 86.40%, which is comparable to the national rate (89.40%). The uninsured rate is 13.50%, which is comparable to the national rate (8.60%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.70%), down 46.60 percentage points since 2011 and below its 2019 pre-pandemic level by 18.50 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is high school (100.00%). College enrollment is 0.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 11 | 6.25% |
| 9th to 12th grade, no diploma: | 13 | 7.39% |
| High school graduate (includes equivalency): | 44 | 25.00% |
| Some college, no degree: | 0 | 0.00% |
| Associate's degree: | 15 | 8.52% |
| Bachelor's degree: | 68 | 38.64% |
| Graduate or professional degree: | 25 | 14.20% |
| Total: | 176 | 100% |
| High school or higher: | 152 | 86.36% |
| Bachelor's degree or higher: | 93 | 52.84% |
| Private Insurance: | 143 | 49.31% |
| Public Insurance: | 114 | 39.31% |
| No Insurance: | 33 | 11.38% |
| Total: | 290 | 100% |
| Has Health Insurance: | 257 | 88.62% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 46.6% | 65.5% | 69.5% | 25.0% | 31.8% | 34.1% | 33.3% | 33.3% | 18.5% | 19.4% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 0 | 0.00% |
| High school (grades 9-12): | 40 | 100.00% |
| College or graduate school: | 0 | 0.00% |
| Total: | 40 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 40 | 100.00% |
ZIP Code 78598 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 36 people with an annual payroll of $951,000. USPS data shows 301 residential mailboxes and 0 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 301Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 660Source: USPS |
| Single Family Delivery Units: | 1Source: USPS |
| Multi Family Delivery Units: | 300Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $220,000Source: CBP |
| Annual Payroll: | $951,000Source: CBP |
| # of Employees: | 36Source: CBP |
ZIP Code 78598 is located in Willacy County, Texas, within the Raymondville, TX Metropolitan Statistical Area (CBSA 39700) and Texas's 34th Congressional District. This Micro area has a population of 22,134 people, about 1.44% of whom live in ZIP Code 78598. It covers 6.344 sq mi of land and a water area of 65.677 sq mi.
| CBSA Name: | Raymondville, TXSource: Census |
| CBSA Number: | 39700Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 22,134Source: Census |
| MSA: | Source: Census |
| Land Area: | 6.344 sq miSource: Census |
| Water Area: | 65.677 sq miSource: Census |
| Congressional District: | 34Source: USPS |
| Congressional Land Area: | 8190.32 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4858928Source: Census |
| Place Name: | Port Mansfield CDP; TexasSource: Census |
We could not locate which school district 78598 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.