SG4 is a postcode district in North Hertfordshire, UK. Below is a complete list of SG4 Postcodes (Active). SG4 postcode district comprises of 889 active postcodes and 4 postcode sectors. SG4 district has a population of 28916, and it has 12242 properties in the region.
| Population | 28916 |
| Addresses / Property Count | 12242 |
| Active Postcodes | 889 |
| Nearby Postcode Districts | 18 |
| Active Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| SG4 8YS | 51.88871000 | -0.30599100 | 1 | 2 | 516679 | 222484 |
| SG4 8YT | 51.85361000 | -0.23368200 | 6 | 15 | 521750 | 218699 |
| SG4 8YU | 51.84992100 | -0.24055800 | 1 | 4 | 521286 | 218277 |
| SG4 8YW | 51.84993400 | -0.23198200 | 13 | 39 | 521877 | 218293 |
| SG4 8YX | 51.84907900 | -0.22996300 | 37 | 64 | 522018 | 218201 |
| SG4 8YY | 51.85041200 | -0.23550100 | 31 | 37 | 521633 | 218340 |
| SG4 9AA | 51.94792900 | -0.27375700 | 32 | 56 | 518741 | 229122 |
| SG4 9AB | 51.94618700 | -0.27464400 | 20 | 48 | 518685 | 228927 |
| SG4 9AD | 51.94407800 | -0.27555400 | 4 | 11 | 518628 | 228691 |
| SG4 9AE | 51.94364600 | -0.27613900 | 3 | 4 | 518589 | 228642 |
| SG4 9AF | 51.94452000 | -0.27443200 | 8 | 22 | 518704 | 228742 |
| SG4 9AG | 51.94583200 | -0.27239700 | N/A | N/A | 518840 | 228891 |
| SG4 9AH | 51.94406200 | -0.27742600 | 8 | 16 | 518499 | 228686 |
| SG4 9AJ | 51.94241800 | -0.27629600 | 2 | 7 | 518581 | 228505 |
| SG4 9AL | 51.94179400 | -0.27665500 | N/A | N/A | 518558 | 228435 |
| SG4 9AN | 51.94009600 | -0.27627500 | 12 | 29 | 518589 | 228247 |
| SG4 9AP | 51.93949500 | -0.27498200 | 15 | 38 | 518679 | 228182 |
| SG4 9AQ | 51.94645000 | -0.27297500 | 35 | 80 | 518799 | 228959 |
| SG4 9AR | 51.93804200 | -0.27537900 | 2 | 5 | 518656 | 228020 |
| SG4 9AS | 51.93802200 | -0.27405600 | 27 | 70 | 518747 | 228020 |
| SG4 9AT | 51.93647500 | -0.27523600 | 17 | 49 | 518670 | 227846 |
| SG4 9AU | 51.93593100 | -0.27429700 | 5 | 10 | 518736 | 227787 |
| SG4 9AW | 51.93881200 | -0.27642600 | 1 | 2 | 518582 | 228104 |
| SG4 9AX | 51.93675700 | -0.27345800 | 11 | 26 | 518791 | 227880 |
| SG4 9AY | 51.93713300 | -0.27228600 | 6 | 15 | 518871 | 227924 |
| SG4 9AZ | 51.93644500 | -0.27196400 | 6 | 15 | 518895 | 227848 |
| SG4 9BA | 51.93582700 | -0.27260700 | 8 | 20 | 518852 | 227778 |
| SG4 9BB | 51.93492100 | -0.27350600 | 6 | 19 | 518793 | 227676 |
| SG4 9BD | 51.93480800 | -0.27484200 | 1 | 3 | 518701 | 227661 |
| SG4 9BG | 51.93498500 | -0.27542400 | 1 | 3 | 518661 | 227680 |
| SG4 9BH | 51.93677000 | -0.27694100 | 15 | 41 | 518552 | 227876 |
| SG4 9BJ | 51.93791900 | -0.27867200 | 10 | 25 | 518430 | 228001 |
| SG4 9BL | 51.93798900 | -0.27667600 | 10 | 25 | 518567 | 228012 |
| SG4 9BN | 51.93955800 | -0.27270200 | 10 | 30 | 518836 | 228193 |
| SG4 9BP | 51.94451600 | -0.27601800 | 22 | 32 | 518595 | 228739 |
| SG4 9BQ | 51.93547000 | -0.27582100 | 1 | 4 | 518632 | 227733 |
| SG4 9BS | 51.94395500 | -0.27634500 | 6 | 14 | 518574 | 228676 |
| SG4 9BW | 51.94445000 | -0.27513300 | 17 | 36 | 518656 | 228733 |
| SG4 9BZ | 51.94671400 | -0.27442000 | 1 | 1 | 518699 | 228986 |
| SG4 9DA | 51.94200200 | -0.27562000 | 11 | 25 | 518629 | 228460 |
| SG4 9DD | 51.94210800 | -0.27472200 | 10 | 15 | 518690 | 228473 |
| SG4 9DE | 51.94163100 | -0.27304400 | 19 | 35 | 518807 | 228423 |
| SG4 9DG | 51.94077300 | -0.26852400 | 15 | 37 | 519120 | 228335 |
| SG4 9DH | 51.94113100 | -0.27387800 | 24 | 47 | 518751 | 228366 |
| SG4 9DJ | 51.94093000 | -0.27290500 | 23 | 37 | 518818 | 228345 |
| SG4 9DL | 51.94042900 | -0.27250200 | 19 | 33 | 518847 | 228290 |
| SG4 9DN | 51.94078700 | -0.27177600 | 11 | 15 | 518896 | 228331 |
| SG4 9DP | 51.93971600 | -0.27119800 | 39 | 84 | 518939 | 228213 |
| SG4 9DQ | 51.93994800 | -0.26742100 | 1 | 1 | 519198 | 228245 |
| SG4 9DR | 51.94017000 | -0.27027800 | 35 | 73 | 519001 | 228265 |