Brazoria County, Texas
Precinct data
Results by precinct
80 precincts · 162,046 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Precinct 11Precinct 11 | 1,915 | 1,848 | 47 | 3,810 | 50.3% | 48.5% | D+1.8 |
|---|---|---|---|---|---|---|---|
| Precinct -Precinct 70Precinct 70 | 2,252 | 1,270 | 81 | 3,603 | 62.5% | 35.2% | D+27.3 |
| Precinct -Precinct 60Precinct 60 | 1,700 | 1,758 | 60 | 3,518 | 48.3% | 50.0% | R+1.6 |
| Precinct -Precinct 56Precinct 56 | 1,061 | 2,366 | 35 | 3,462 | 30.6% | 68.3% | R+37.7 |
| Precinct -Precinct 18Precinct 18 | 1,101 | 2,310 | 46 | 3,457 | 31.8% | 66.8% | R+35.0 |
| Precinct -Precinct 14Precinct 14 | 676 | 2,702 | 21 | 3,399 | 19.9% | 79.5% | R+59.6 |
| Precinct -Precinct 46Precinct 46 | 1,195 | 2,103 | 47 | 3,345 | 35.7% | 62.9% | R+27.1 |
| Precinct -Precinct 66Precinct 66 | 2,160 | 1,102 | 83 | 3,345 | 64.6% | 32.9% | D+31.6 |
| Precinct -Precinct 13Precinct 13 | 1,293 | 1,911 | 48 | 3,252 | 39.8% | 58.8% | R+19.0 |
| Precinct -Precinct 44Precinct 44 | 1,899 | 1,237 | 69 | 3,205 | 59.3% | 38.6% | D+20.7 |
| Precinct -Precinct 65Precinct 65 | 1,497 | 1,649 | 23 | 3,169 | 47.2% | 52.0% | R+4.8 |
| Precinct -Precinct 3Precinct 3 | 764 | 2,286 | 31 | 3,081 | 24.8% | 74.2% | R+49.4 |
| Precinct -Precinct 22Precinct 22 | 753 | 2,240 | 36 | 3,029 | 24.9% | 74.0% | R+49.1 |
| Precinct -Precinct 28Precinct 28 | 1,151 | 1,768 | 84 | 3,003 | 38.3% | 58.9% | R+20.5 |
| Precinct -Precinct 43Precinct 43 | 863 | 2,034 | 21 | 2,918 | 29.6% | 69.7% | R+40.1 |
| Precinct -Precinct 26Precinct 26 | 1,254 | 1,561 | 44 | 2,859 | 43.9% | 54.6% | R+10.7 |
| Precinct -Precinct 62Precinct 62 | 1,620 | 1,172 | 48 | 2,840 | 57.0% | 41.3% | D+15.8 |
| Precinct -Precinct 63Precinct 63 | 2,008 | 744 | 34 | 2,786 | 72.1% | 26.7% | D+45.4 |
| Precinct -Precinct 37Precinct 37 | 1,070 | 1,668 | 34 | 2,772 | 38.6% | 60.2% | R+21.6 |
| Precinct -Precinct 23Precinct 23 | 720 | 1,962 | 31 | 2,713 | 26.5% | 72.3% | R+45.8 |
| Precinct -Precinct 2Precinct 2 | 608 | 2,044 | 20 | 2,672 | 22.8% | 76.5% | R+53.7 |
| Precinct -Precinct 77Precinct 77 | 751 | 1,874 | 32 | 2,657 | 28.3% | 70.5% | R+42.3 |
| Precinct -Precinct 1Precinct 1 | 776 | 1,775 | 24 | 2,575 | 30.1% | 68.9% | R+38.8 |
| Precinct -Precinct 29Precinct 29 | 1,482 | 1,041 | 46 | 2,569 | 57.7% | 40.5% | D+17.2 |
| Precinct -Precinct 39Precinct 39 | 704 | 1,831 | 18 | 2,553 | 27.6% | 71.7% | R+44.1 |
| Precinct -Precinct 51Precinct 51 | 633 | 1,838 | 35 | 2,506 | 25.3% | 73.3% | R+48.1 |
| Precinct -Precinct 12Precinct 12 | 933 | 1,503 | 39 | 2,475 | 37.7% | 60.7% | R+23.0 |
| Precinct -Precinct 58Precinct 58 | 1,510 | 922 | 38 | 2,470 | 61.1% | 37.3% | D+23.8 |
| Precinct -Precinct 53Precinct 53 | 1,655 | 701 | 42 | 2,398 | 69.0% | 29.2% | D+39.8 |
| Precinct -Precinct 45Precinct 45 | 641 | 1,700 | 29 | 2,370 | 27.0% | 71.7% | R+44.7 |
| Precinct -Precinct 68Precinct 68 | 1,571 | 671 | 15 | 2,257 | 69.6% | 29.7% | D+39.9 |
| Precinct -Precinct 21Precinct 21 | 1,520 | 714 | 20 | 2,254 | 67.4% | 31.7% | D+35.8 |
| Precinct -Precinct 30Precinct 30 | 469 | 1,762 | 21 | 2,252 | 20.8% | 78.2% | R+57.4 |
| Precinct -Precinct 4Precinct 4 | 499 | 1,698 | 19 | 2,216 | 22.5% | 76.6% | R+54.1 |
| Precinct -Precinct 34Precinct 34 | 563 | 1,618 | 18 | 2,199 | 25.6% | 73.6% | R+48.0 |
| Precinct -Precinct 52Precinct 52 | 673 | 1,486 | 23 | 2,182 | 30.8% | 68.1% | R+37.3 |
| Precinct -Precinct 55Precinct 55 | 610 | 1,557 | 14 | 2,181 | 28.0% | 71.4% | R+43.4 |
| Precinct -Precinct 50Precinct 50 | 1,539 | 567 | 65 | 2,171 | 70.9% | 26.1% | D+44.8 |
| Precinct -Precinct 75Precinct 75 | 567 | 1,572 | 12 | 2,151 | 26.4% | 73.1% | R+46.7 |
| Precinct -Precinct 54Precinct 54 | 1,259 | 820 | 36 | 2,115 | 59.5% | 38.8% | D+20.8 |
| Precinct -Precinct 48Precinct 48 | 615 | 1,462 | 22 | 2,099 | 29.3% | 69.7% | R+40.4 |
| Precinct -Precinct 47Precinct 47 | 788 | 1,181 | 36 | 2,005 | 39.3% | 58.9% | R+19.6 |
| Precinct -Precinct 59Precinct 59 | 1,189 | 635 | 91 | 1,915 | 62.1% | 33.2% | D+28.9 |
| Precinct -Precinct 32Precinct 32 | 324 | 1,569 | 13 | 1,906 | 17.0% | 82.3% | R+65.3 |
| Precinct -Precinct 15Precinct 15 | 228 | 1,643 | 7 | 1,878 | 12.1% | 87.5% | R+75.3 |
| Precinct -Precinct 69Precinct 69 | 1,184 | 611 | 48 | 1,843 | 64.2% | 33.2% | D+31.1 |
| Precinct -Precinct 79Precinct 79 | 1,253 | 553 | 21 | 1,827 | 68.6% | 30.3% | D+38.3 |
| Precinct -Precinct 67Precinct 67 | 1,213 | 497 | 49 | 1,759 | 69.0% | 28.3% | D+40.7 |
| Precinct -Precinct 80Precinct 80 | 328 | 1,405 | 15 | 1,748 | 18.8% | 80.4% | R+61.6 |
| Precinct -Precinct 27Precinct 27 | 816 | 882 | 35 | 1,733 | 47.1% | 50.9% | R+3.8 |
| Precinct -Precinct 72Precinct 72 | 1,095 | 564 | 54 | 1,713 | 63.9% | 32.9% | D+31.0 |
| Precinct -Precinct 49Precinct 49 | 229 | 1,415 | 12 | 1,656 | 13.8% | 85.4% | R+71.6 |
| Precinct -Precinct 5Precinct 5 | 301 | 1,318 | 13 | 1,632 | 18.4% | 80.8% | R+62.3 |
| Precinct -Precinct 40Precinct 40 | 333 | 1,228 | 17 | 1,578 | 21.1% | 77.8% | R+56.7 |
| Precinct -Precinct 41Precinct 41 | 889 | 634 | 32 | 1,555 | 57.2% | 40.8% | D+16.4 |
| Precinct -Precinct 33Precinct 33 | 347 | 1,127 | 16 | 1,490 | 23.3% | 75.6% | R+52.3 |
| Precinct -Precinct 17Precinct 17 | 587 | 801 | 10 | 1,398 | 42.0% | 57.3% | R+15.3 |
| Precinct -Precinct 73Precinct 73 | 848 | 477 | 13 | 1,338 | 63.4% | 35.7% | D+27.7 |
| Precinct -Precinct 78Precinct 78 | 507 | 775 | 14 | 1,296 | 39.1% | 59.8% | R+20.7 |
| Precinct -Precinct 7Precinct 7 | 509 | 770 | 11 | 1,290 | 39.5% | 59.7% | R+20.2 |
| Precinct -Precinct 35Precinct 35 | 217 | 1,060 | 11 | 1,288 | 16.8% | 82.3% | R+65.5 |
| Precinct -Precinct 16Precinct 16 | 334 | 932 | 15 | 1,281 | 26.1% | 72.8% | R+46.7 |
| Precinct -Precinct 6Precinct 6 | 135 | 1,103 | 20 | 1,258 | 10.7% | 87.7% | R+76.9 |
| Precinct -Precinct 25Precinct 25 | 253 | 895 | 14 | 1,162 | 21.8% | 77.0% | R+55.2 |
| Precinct -Precinct 36Precinct 36 | 377 | 762 | 11 | 1,150 | 32.8% | 66.3% | R+33.5 |
| Precinct -Precinct 76Precinct 76 | 238 | 883 | 10 | 1,131 | 21.0% | 78.1% | R+57.0 |
| Precinct -Precinct 24Precinct 24 | 227 | 861 | 9 | 1,097 | 20.7% | 78.5% | R+57.8 |
| Precinct -Precinct 20Precinct 20 | 197 | 839 | 7 | 1,043 | 18.9% | 80.4% | R+61.6 |
| Precinct -Precinct 19Precinct 19 | 391 | 631 | 16 | 1,038 | 37.7% | 60.8% | R+23.1 |
| Precinct -Precinct 9Precinct 9 | 363 | 605 | 9 | 977 | 37.2% | 61.9% | R+24.8 |
| Precinct -Precinct 57Precinct 57 | 226 | 664 | 4 | 894 | 25.3% | 74.3% | R+49.0 |
| Precinct -Precinct 31Precinct 31 | 149 | 691 | 7 | 847 | 17.6% | 81.6% | R+64.0 |
| Precinct -Precinct 61Precinct 61 | 183 | 642 | 10 | 835 | 21.9% | 76.9% | R+55.0 |
| Precinct -Precinct 71Precinct 71 | 501 | 304 | 11 | 816 | 61.4% | 37.3% | D+24.1 |
| Precinct -Precinct 10Precinct 10 | 109 | 633 | 2 | 744 | 14.7% | 85.1% | R+70.4 |
| Precinct -Precinct 8Precinct 8 | 106 | 401 | 5 | 512 | 20.7% | 78.3% | R+57.6 |
| Precinct -Precinct 38Precinct 38 | 134 | 341 | 10 | 485 | 27.6% | 70.3% | R+42.7 |
| Precinct -Precinct 42Precinct 42 | 156 | 305 | 7 | 468 | 33.3% | 65.2% | R+31.8 |
| Precinct -Precinct 64Precinct 64 | 133 | 216 | 5 | 354 | 37.6% | 61.0% | R+23.4 |
| Precinct -Precinct 74Precinct 74 | 49 | 167 | 2 | 218 | 22.5% | 76.6% | R+54.1 |
Presidential margin, 1904–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1904 | +9.8% |
| 1908 | +15.6% |
| 1912 | +34.9% |
| 1916 | +26.2% |
| 1920 | −2.0% |
| 1924 | +21.6% |
| 1928 | −18.8% |
| 1932 | +65.2% |
| 1936 | +65.4% |
| 1940 | +65.0% |
| 1944 | +61.0% |
| 1948 | +31.7% |
| 1952 | +0.2% |
| 1956 | −14.2% |
| 1960 | −1.5% |
| 1964 | +30.4% |
| 1968 | +2.7% |
| 1972 | −29.9% |
| 1976 | +5.4% |
| 1980 | −19.7% |
| 1984 | −35.4% |
| 1988 | −17.9% |
| 1992 | −11.9% |
| 1996 | −20.5% |
| 2000 | −35.7% |
| 2004 | −37.3% |
| 2008 | −29.6% |
| 2012 | −34.1% |
| 2016 | −24.4% |
| 2020 | −18.2% |
| 2024 | −19.7% |
U.S. Senate
Registered voters
Total registered voters, over time
| Year | Total registered |
|---|---|
| 2016 | 197,568 |
| 2018 | 205,435 |
| 2020 | 224,256 |
| 2022 | 234,988 |
| 2024 | 249,840 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+4,849 net domestic migration · 2025
Net +64,652 over 2011–2025 · gain loss
Arrivals reported $70,186 in average income, against $95,865 for residents who stayed — 27% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+0.8 on average — 19 points more Democratic-leaning than Brazoria County, TX itself (R+19.7).
Where arrivals came from lean of each source
- Harris County, TX5,157D+5.5
- Fort Bend County, TX1,409D+1.6
- Galveston County, TX843R+27.4
- Montgomery County, TX183R+45.5
- Matagorda County, TX134R+50.5
- Travis County, TX131D+39.3
Where departures went households, 2022–23
- Harris County, TX3,625
- Fort Bend County, TX950
- Galveston County, TX833
- Montgomery County, TX256
- Travis County, TX165
- Matagorda County, TX136
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | +1,683 |
| 2012 | +2,101 |
| 2013 | +2,793 |
| 2014 | +4,433 |
| 2015 | +4,399 |
| 2016 | +4,870 |
| 2017 | +5,911 |
| 2018 | +4,496 |
| 2019 | +3,025 |
| 2021 | +3,831 |
| 2022 | +6,668 |
| 2023 | +8,251 |
| 2024 | +7,342 |
| 2025 | +4,849 |
Brazoria County's economy anchors on the Gulf Coast petrochemical industry, and its electorate has shifted roughly 15 points toward Republican presidential candidates over the past four cycles, outpacing the statewide trend.
Across the recorded series it reached a Democratic high of 65.4 points in 1936 and a Republican high of 37.3 points in 2004. Between 2020 and 2024 the county moved 1.5 points toward the Republican candidate; the 2024 margin was 19.7 points.
A population of 391,255, a 42% non-Hispanic-white share, and a median household income of $97,993 describe the county. The county's voting pattern over the last decade is most similar to that of Tarrant County and Benton County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Brazoria County, Texas. Akashic. https://akashic.app/county/48039/. Accessed May 20, 2026. License: CC BY 4.0.